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    Annotation of /branches/R11-unstable/include/kernel.sminc

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    Revision 9463 - (hide annotations) (download)
    Thu Dec 1 15:50:56 2011 UTC (12 years, 5 months ago) by niro
    Original Path: branches/magellan-next/include/kernel.sminc
    File size: 12481 byte(s) 
    -fix sublevel with >=3.x kernels
    1 niro 9311 # kernel global smage functions
    2     # $Id$
    3    
    4     # needed extra vars:
    5     # ${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     #
    10     # ${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    
    15     sminclude mtools
    16    
    17     # remove me when all distris support this:
    18     if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    19     then
    20     KERNEL_ARCH_EXTENSION="-${ARCH}"
    21     else
    22     KERNEL_ARCH_EXTENSION=""
    23     fi
    24    
    25     # some sane defaults
    26     : ${PCATEGORIE="sys-kernel"}
    27     : ${HOMEPAGE="http://magellan-linux.de/"}
    28     : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    29     : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    30 niro 9312 : ${TARBALLPVER="${PVER}"}
    31 niro 9311
    32     case ${KERNEL_TYPE} in
    33     image|sources)
    34     if [[ -z ${SRC_URI[*]} ]]
    35     then
    36     SRC_URI=(
    37 niro 9314 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    38     http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    39 niro 9311 mirror://kernel-${BRANCH}/${SRCFILE}
    40     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    41     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    42     )
    43     fi
    44     ;;
    45    
    46     headers)
    47     if [[ -z ${SRC_URI[*]} ]]
    48     then
    49     SRC_URI=(
    50     http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    51     http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    52     mirror://kernel-${BRANCH}/${SRCFILE}
    53     )
    54     fi
    55     ;;
    56     esac
    57    
    58     case ${KERNEL_TYPE} in
    59     image)
    60     : ${PROVIDE="virtual/kernel"}
    61     : ${DEPEND=">= sys-apps/module-init-tools-3.2
    62     >= sys-fs/udev-115
    63     >= sys-apps/mkinitrd-5.0.8
    64     >= virtual/initscripts"}
    65     : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    66     ;;
    67    
    68     sources)
    69     : ${PROVIDE="virtual/kernel-sources"}
    70     : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    71     ;;
    72    
    73     headers)
    74     : ${PROVIDE="virtual/kernel-headers"}
    75     : ${DESCRIPTION="Sanitized kernel headers for libc."}
    76     ;;
    77     esac
    78    
    79     EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    80     KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    81    
    82     # special vars for mage file only
    83     KPVER="${PVER}"
    84     KPBUILD="${PBUILD}"
    85     KBRANCH="${BRANCH}"
    86     SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    87    
    88     kernel_src_prepare()
    89     {
    90     munpack ${SRCFILE} || die
    91 niro 9312 mv ${BUILDDIR}/linux-${TARBALLPVER/${PSUBVER}/} ${SRCDIR} || die
    92 niro 9311
    93     # fix permissions
    94     chown -R 0:0 ${SRCDIR} || die
    95     chmod -R a+r-w+X,u+w ${SRCDIR} || die
    96    
    97     cd ${SRCDIR}
    98    
    99     # fixes INSTALL_PATH to /boot and EXTRAVERSION
    100     sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    101     -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    102 niro 9463
    103     # fix sublevel version with 3.x kernels and higher
    104     local kver=$(echo ${PVER} | sed "s:\.::g")
    105     if [[ ${PVER%%.*} -gt 2 ]]
    106     then
    107     local sublevel="$(echo ${PVER} | cut -d. -f3)"
    108     sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
    109     fi
    110 niro 9311 }
    111    
    112     kernel_src_compile()
    113     {
    114     cd ${SRCDIR}
    115    
    116     make mrproper || die
    117    
    118     if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    119     then
    120     # inject our kernel config
    121     cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    122     make ARCH=${ARCH/i*86/x86} oldconfig || die
    123     fi
    124    
    125     case ${KERNEL_TYPE} in
    126     image)
    127     mmake ARCH=${ARCH/i*86/x86} || die
    128     ;;
    129    
    130     headers)
    131     make ARCH=${ARCH/i*86/x86} headers_check || die
    132     ;;
    133    
    134     sources)
    135     make clean || die
    136    
    137     # needed to compile other programs like iptables
    138     make ARCH=${ARCH/i*86/x86} prepare || die
    139     # needed to cover >=2.6.14 builds
    140     # but deprecated with >=2.6.21, prepare cover all targets there
    141     local kver=$(echo ${PVER} | sed "s:\.::g")
    142     # honor >=3.0.x; add one zero
    143     if [[ ${PVER%%.*} -gt 2 ]]
    144     then
    145     kver="${kver}0"
    146     fi
    147     if [[ ${kver} < 2621 ]]
    148     then
    149     make ARCH=${ARCH/i*86/x86} prepare-all || die
    150     fi
    151     make ARCH=${ARCH/i*86/x86} scripts || die
    152    
    153     # at least alsa-drivers needs this one ...
    154     touch include/linux/autoconf.h || die
    155     ;;
    156     esac
    157     }
    158    
    159     kernel_image_src_install()
    160     {
    161     cd ${SRCDIR}
    162    
    163     # needed directories
    164     minstalldir /boot || die
    165    
    166     # install modules
    167     make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    168    
    169     # install kernelimage
    170     if [[ -z ${KERNEL_IMAGE_PATH} ]]
    171     then
    172     local my_arch="${ARCH}"
    173     [[ ${my_arch} = i*86 ]] && my_arch=i386
    174     minstallfile arch/${my_arch}/boot/bzImage \
    175     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    176     || die
    177     else
    178     minstallfile ${KERNEL_IMAGE_PATH} \
    179     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    180     || die
    181     fi
    182    
    183     # install System.map
    184     minstallfile System.map \
    185     /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    186     || die
    187    
    188     # install Module.symvers in boot and /usr/src
    189     minstallfile Module.symvers \
    190     /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    191     || die
    192     minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    193     minstallfile Module.symvers \
    194     /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    195     || die
    196    
    197     # install kernel description
    198     echo "
    199     KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    200     KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    201     KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    202     KRNINITRD=
    203     " > ${BINDIR}/boot/kernelversion || die
    204    
    205     # install kernel-config from srcdir
    206     minstallfile .config \
    207     /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    208     || die
    209    
    210     # fix build symlink
    211     if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    212     then
    213     echo "fixing build symlink"
    214     rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    215     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    216     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    217     || die
    218     fi
    219    
    220     # and fixing source symlink
    221     if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    222     then
    223     echo "fixing source symlink"
    224     rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    225     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    226     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    227     || die
    228     fi
    229     }
    230    
    231     kernel_headers_src_install()
    232     {
    233     cd ${SRCDIR}
    234     make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    235     }
    236    
    237     kernel_sources_src_install()
    238     {
    239     cd ${BUILDDIR}
    240    
    241     echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    242     tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    243    
    244     echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    245     minstalldir /usr/src || die
    246     mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    247     }
    248    
    249     # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    250     # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    251     kernel_external_modules_install()
    252     {
    253     cd ${BUILDDIR}
    254    
    255     local modsrc="$1"
    256     local moddest="$2"
    257     local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    258    
    259     echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    260     install -d ${moddir} || die
    261     mv ${modsrc} ${moddir}/${moddest} || die
    262     }
    263    
    264     kernel_external_modules_tarball()
    265     {
    266     cd ${BUILDDIR}
    267    
    268     echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    269     tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    270     kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    271    
    272     echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    273     minstalldir /usr/src || die
    274     mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    275     }
    276    
    277     kernel_src_install()
    278     {
    279     case ${KERNEL_TYPE} in
    280     image)
    281     kernel_image_src_install || die
    282     ;;
    283    
    284     headers)
    285     kernel_headers_src_install || die
    286     ;;
    287    
    288     sources)
    289     kernel_sources_src_install || die
    290     ;;
    291     esac
    292     }
    293    
    294     kernel_major_version()
    295     {
    296     local ksrc="$@"
    297     local kv
    298    
    299     if [[ -z ${ksrc} ]]
    300     then
    301     kv="$(uname -r|cut -d. -f1-2)"
    302     else
    303     local version
    304     local patchlevel
    305    
    306     # get version from makefile
    307     version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    308     # get patchlevel from makefile
    309     patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    310     # kernelversion
    311     kv="${version}.${patchlevel}"
    312     fi
    313    
    314     echo "${kv}"
    315     }
    316    
    317     mod_suffix()
    318     {
    319     local ksrc="$@"
    320     local mod_suffix
    321     local kmv
    322    
    323     kmv=$(kernel_major_version ${ksrc})
    324     if [[ ${kmv//.} -ge 26 ]]
    325     then
    326     mod_suffix="ko"
    327     else
    328     mod_suffix="o"
    329     fi
    330    
    331     echo ${mod_suffix}
    332     }
    333    
    334     kernel_image_preinstall()
    335     {
    336     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    337     then
    338     mount /boot &> /dev/null
    339     fi
    340     }
    341    
    342     kernel_image_preremove()
    343     {
    344     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    345     then
    346     mount /boot &> /dev/null
    347     fi
    348     }
    349    
    350     kernel_image_postremove()
    351     {
    352     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    353     then
    354     # remove old image entry from grub
    355     new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    356     fi
    357     }
    358    
    359     kernel_image_postinstall()
    360     {
    361     [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    362    
    363     # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    364     [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    365     rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    366    
    367     [ -x ${MROOT}/sbin/depmod ] &&
    368     ${MROOT}/sbin/depmod -ae \
    369     -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    370     ${KPVER}-${KBRANCH}-${KPBUILD}
    371    
    372     # do not run this if ${MROOT} is set !
    373     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    374     then
    375     new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    376     fi
    377    
    378     # symlink actual kernel to /boot/vmlinuz etc...
    379     ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    380     ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    381     ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    382     [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    383     ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    384     }
    385    
    386     kernel_sources_postinstall()
    387     {
    388     # check for linux-VERSION/include as the kernel-image installs
    389     # the file Modules.symver in the linux-VERSION directory
    390     if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    391     then
    392     echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    393     tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    394     fi
    395    
    396     if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    397     [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    398     then
    399     echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    400     tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    401     fi
    402    
    403     # if not exist create linux symlink
    404     if [ ! -h ${MROOT}/usr/src/linux ]
    405     then
    406     echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    407     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    408     ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    409     ${MROOT}/usr/src/linux || die
    410     fi
    411    
    412     # if not exist create kernel-modules symlink
    413     if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    414     [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    415     then
    416     echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    417     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    418     ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    419     ${MROOT}/usr/src/kernel-modules || die
    420     fi
    421     }
    422    
    423     export_inherits kernel src_prepare src_compile src_install
    424    
    425     # export pre/postinstall functions depending on KERNEL_TYPE
    426     case ${KERNEL_TYPE} in
    427     image)
    428     export_inherits kernel_image preinstall preremove postinstall postremove
    429     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    430     ;;
    431     sources)
    432     export_inherits kernel_sources postinstall
    433     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    434     ;;
    435     esac