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    Annotation of /smage/trunk/include/kernel.sminc

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    Revision 2942 - (hide annotations) (download)
    Tue Sep 6 19:13:26 2011 UTC (12 years, 8 months ago) by niro
    File size: 11600 byte(s) 
    -sane HOMEPAGE default
    1 niro 2937 # kernel global smage functions
    2 niro 1664 # $Id$
    3 niro 1661
    4     # needed extra vars:
    5 niro 2939 # ${KERNEL_TYPE}: needed, 'sources', 'headers' or 'image'
    6 niro 1661 # ${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 niro 1664 # ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
    14 niro 1661
    15 niro 1664 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 niro 2941 : ${PCATEGORIE="sys-kernel"}
    27 niro 2942 : ${HOMEPAGE="http://kernel.org/"}
    28 niro 1664 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    29     : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    30    
    31 niro 2939 case ${KERNEL_TYPE} in
    32     image|sources)
    33     : ${SRC_URI=(
    34     http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    35     mirror://kernel-${BRANCH}/${SRCFILE}
    36     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    37     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    38     )}
    39     ;;
    40     headers)
    41     : ${SRC_URI=(
    42     http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    43     mirror://kernel-${BRANCH}/${SRCFILE}
    44     )}
    45     ;;
    46     esac
    47 niro 1664
    48 niro 2939 case ${KERNEL_TYPE} in
    49 niro 2940 image)
    50     : ${PROVIDE="virtual/kernel"}
    51     : ${DEPEND=">= sys-apps/module-init-tools-3.2
    52     >= sys-fs/udev-115
    53     >= sys-apps/mkinitrd-5.0.8
    54     >= virtual/initscripts"}
    55     ;;
    56 niro 2939 sources) : ${PROVIDE="virtual/kernel-sources"} ;;
    57     headers) : ${PROVIDE="virtual/kernel-headers"} ;;
    58     esac
    59 niro 1664
    60     EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    61 niro 1661 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    62    
    63 niro 1664 # special vars for mage file only
    64     KPVER="${PVER}"
    65     KPBUILD="${PBUILD}"
    66     KBRANCH="${BRANCH}"
    67     SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    68    
    69 niro 2937 kernel_src_prepare()
    70 niro 1661 {
    71     munpack ${SRCFILE} || die
    72     mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    73    
    74     # fix permissions
    75     chown -R 0:0 ${SRCDIR} || die
    76     chmod -R a+r-w+X,u+w ${SRCDIR} || die
    77    
    78     cd ${SRCDIR}
    79    
    80     # fixes INSTALL_PATH to /boot and EXTRAVERSION
    81     sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    82     -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    83     }
    84    
    85 niro 2937 kernel_src_compile()
    86 niro 1661 {
    87     cd ${SRCDIR}
    88    
    89     make mrproper || die
    90    
    91 niro 2939 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    92     then
    93     # inject our kernel config
    94     cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    95     make ARCH=${ARCH/i*86/x86} oldconfig || die
    96     fi
    97 niro 1661
    98     case ${KERNEL_TYPE} in
    99     image)
    100 niro 1664 mmake ARCH=${ARCH/i*86/x86} || die
    101 niro 1661 ;;
    102    
    103 niro 2939 headers)
    104     make ARCH=${ARCH/i*86/x86} headers_check || die
    105     ;;
    106    
    107 niro 1661 sources)
    108     make clean || die
    109    
    110     # needed to compile other programs like iptables
    111 niro 1664 make ARCH=${ARCH/i*86/x86} prepare || die
    112 niro 1661 # needed to cover >=2.6.14 builds
    113 niro 1664 # but deprecated with >=2.6.21, prepare cover all targets there
    114 niro 2938 local kver=$(echo ${PVER} | sed "s:\.::g")
    115     # honor >=3.0.x; add one zero
    116     if [[ ${PVER%%.*} -gt 2 ]]
    117     then
    118     kver="${kver}0"
    119     fi
    120     if [[ ${kver} < 2621 ]]
    121     then
    122     make ARCH=${ARCH/i*86/x86} prepare-all || die
    123     fi
    124 niro 1664 make ARCH=${ARCH/i*86/x86} scripts || die
    125 niro 1661
    126     # at least alsa-drivers needs this one ...
    127     touch include/linux/autoconf.h || die
    128     ;;
    129     esac
    130     }
    131    
    132 niro 2937 kernel_image_src_install()
    133 niro 1661 {
    134     cd ${SRCDIR}
    135    
    136     # needed directories
    137 niro 1664 minstalldir /boot || die
    138 niro 1661
    139     # install modules
    140 niro 1664 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    141 niro 1661
    142     # install kernelimage
    143 niro 1664 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    144     then
    145     local my_arch="${ARCH}"
    146     [[ ${my_arch} = i*86 ]] && my_arch=i386
    147     minstallfile arch/${my_arch}/boot/bzImage \
    148     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    149     || die
    150     else
    151     minstallfile ${KERNEL_IMAGE_PATH} \
    152     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    153     || die
    154     fi
    155 niro 1661
    156     # install System.map
    157 niro 1664 minstallfile System.map \
    158     /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    159 niro 1661 || die
    160    
    161 niro 1664 # install Module.symvers in boot and /usr/src
    162     minstallfile Module.symvers \
    163     /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    164     || die
    165     minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    166     minstallfile Module.symvers \
    167     /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    168     || die
    169    
    170 niro 1661 # install kernel description
    171     echo "
    172 niro 1664 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    173     KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    174     KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    175 niro 1661 KRNINITRD=
    176     " > ${BINDIR}/boot/kernelversion || die
    177    
    178     # install kernel-config from srcdir
    179 niro 1664 minstallfile .config \
    180     /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    181 niro 1661 || die
    182    
    183     # fix build symlink
    184 niro 1664 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    185 niro 1661 then
    186     echo "fixing build symlink"
    187 niro 1664 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    188     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    189     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    190 niro 1661 || die
    191     fi
    192    
    193     # and fixing source symlink
    194 niro 1664 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    195 niro 1661 then
    196     echo "fixing source symlink"
    197 niro 1664 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    198     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    199     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    200 niro 1661 || die
    201     fi
    202     }
    203    
    204 niro 2939 kernel_headers_src_install()
    205     {
    206     cd ${SRCDIR}
    207     make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    208     }
    209    
    210 niro 2937 kernel_sources_src_install()
    211 niro 1661 {
    212     cd ${BUILDDIR}
    213    
    214     echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    215     tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    216    
    217     echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    218 niro 1664 minstalldir /usr/src || die
    219 niro 1661 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    220     }
    221    
    222     # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    223 niro 2937 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    224     kernel_external_modules_install()
    225 niro 1661 {
    226     cd ${BUILDDIR}
    227    
    228     local modsrc="$1"
    229     local moddest="$2"
    230     local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    231    
    232     echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    233     install -d ${moddir} || die
    234     mv ${modsrc} ${moddir}/${moddest} || die
    235     }
    236    
    237 niro 2937 kernel_external_modules_tarball()
    238 niro 1661 {
    239     cd ${BUILDDIR}
    240    
    241     echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    242     tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    243     kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    244    
    245     echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    246 niro 1664 minstalldir /usr/src || die
    247 niro 1661 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    248     }
    249    
    250 niro 2937 kernel_src_install()
    251 niro 1661 {
    252     case ${KERNEL_TYPE} in
    253     image)
    254 niro 2937 kernel_image_src_install || die
    255 niro 1661 ;;
    256    
    257 niro 2939 headers)
    258     kernel_headers_src_install || die
    259     ;;
    260    
    261 niro 1661 sources)
    262 niro 2937 kernel_sources_src_install || die
    263 niro 1661 ;;
    264     esac
    265     }
    266    
    267     kernel_major_version()
    268     {
    269     local ksrc="$@"
    270     local kv
    271    
    272     if [[ -z ${ksrc} ]]
    273     then
    274     kv="$(uname -r|cut -d. -f1-2)"
    275     else
    276     local version
    277     local patchlevel
    278    
    279     # get version from makefile
    280     version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    281     # get patchlevel from makefile
    282     patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    283     # kernelversion
    284     kv="${version}.${patchlevel}"
    285     fi
    286    
    287     echo "${kv}"
    288     }
    289    
    290     mod_suffix()
    291     {
    292     local ksrc="$@"
    293     local mod_suffix
    294 niro 2938 local kmv
    295 niro 1661
    296 niro 2938 kmv=$(kernel_major_version ${ksrc})
    297     if [[ ${kmv//.} -ge 26 ]]
    298 niro 1661 then
    299     mod_suffix="ko"
    300     else
    301     mod_suffix="o"
    302     fi
    303    
    304     echo ${mod_suffix}
    305     }
    306    
    307 niro 2937 kernel_image_preinstall()
    308 niro 1664 {
    309     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    310     then
    311     mount /boot &> /dev/null
    312     fi
    313     }
    314    
    315 niro 2937 kernel_image_preremove()
    316 niro 1664 {
    317     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    318     then
    319     mount /boot &> /dev/null
    320     fi
    321     }
    322    
    323 niro 2937 kernel_image_postremove()
    324 niro 1664 {
    325     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    326     then
    327     # remove old image entry from grub
    328     new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    329     fi
    330     }
    331    
    332 niro 2937 kernel_image_postinstall()
    333 niro 1664 {
    334     [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    335    
    336     # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    337     [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    338     rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    339    
    340     [ -x ${MROOT}/sbin/depmod ] &&
    341     ${MROOT}/sbin/depmod -ae \
    342     -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    343     ${KPVER}-${KBRANCH}-${KPBUILD}
    344    
    345     # do not run this if ${MROOT} is set !
    346     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    347     then
    348     new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    349     fi
    350    
    351     # symlink actual kernel to /boot/vmlinuz etc...
    352     ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    353     ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    354     ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    355     [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    356     ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    357     }
    358    
    359 niro 2937 kernel_sources_postinstall()
    360 niro 1664 {
    361     # check for linux-VERSION/include as the kernel-image installs
    362     # the file Modules.symver in the linux-VERSION directory
    363     if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    364     then
    365     echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    366     tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    367     fi
    368    
    369     if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    370     [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    371     then
    372     echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    373     tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    374     fi
    375    
    376     # if not exist create linux symlink
    377     if [ ! -h ${MROOT}/usr/src/linux ]
    378     then
    379     echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    380     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    381     ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    382     ${MROOT}/usr/src/linux || die
    383     fi
    384    
    385     # if not exist create kernel-modules symlink
    386     if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    387     [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    388     then
    389     echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    390     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    391     ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    392     ${MROOT}/usr/src/kernel-modules || die
    393     fi
    394     }
    395    
    396 niro 2937 export_inherits kernel src_prepare src_compile src_install
    397 niro 1664
    398     # export pre/postinstall functions depending on KERNEL_TYPE
    399     case ${KERNEL_TYPE} in
    400     image)
    401 niro 2937 export_inherits kernel_image preinstall preremove postinstall postremove
    402     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    403 niro 1664 ;;
    404     sources)
    405 niro 2937 export_inherits kernel_sources postinstall
    406     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    407 niro 1664 ;;
    408     esac