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    Revision 9465 - (hide annotations) (download)
    Thu Dec 1 16:32:00 2011 UTC (12 years, 5 months ago) by niro
    Original Path: branches/magellan-next/include/kernel.sminc
    File size: 12989 byte(s) 
    -added rudimental linux-firmware support
    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 niro 9465 # remove included firmware bits if requested
    26     # set the version here like USE_LINUX_FIRMARE="20110605"
    27     # version "internal" keeps the bits too
    28     if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    29     then
    30     DEPEND="${DEPEND}
    31     >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    32     fi
    33    
    34 niro 9311 # some sane defaults
    35     : ${PCATEGORIE="sys-kernel"}
    36     : ${HOMEPAGE="http://magellan-linux.de/"}
    37     : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    38     : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    39 niro 9312 : ${TARBALLPVER="${PVER}"}
    40 niro 9311
    41     case ${KERNEL_TYPE} in
    42     image|sources)
    43     if [[ -z ${SRC_URI[*]} ]]
    44     then
    45     SRC_URI=(
    46 niro 9314 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    47     http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    48 niro 9311 mirror://kernel-${BRANCH}/${SRCFILE}
    49     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    50     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    51     )
    52     fi
    53     ;;
    54    
    55     headers)
    56     if [[ -z ${SRC_URI[*]} ]]
    57     then
    58     SRC_URI=(
    59     http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    60     http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    61     mirror://kernel-${BRANCH}/${SRCFILE}
    62     )
    63     fi
    64     ;;
    65     esac
    66    
    67     case ${KERNEL_TYPE} in
    68     image)
    69     : ${PROVIDE="virtual/kernel"}
    70     : ${DEPEND=">= sys-apps/module-init-tools-3.2
    71     >= sys-fs/udev-115
    72     >= sys-apps/mkinitrd-5.0.8
    73     >= virtual/initscripts"}
    74     : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    75     ;;
    76    
    77     sources)
    78     : ${PROVIDE="virtual/kernel-sources"}
    79     : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    80     ;;
    81    
    82     headers)
    83     : ${PROVIDE="virtual/kernel-headers"}
    84     : ${DESCRIPTION="Sanitized kernel headers for libc."}
    85     ;;
    86     esac
    87    
    88     EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    89     KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    90    
    91     # special vars for mage file only
    92     KPVER="${PVER}"
    93     KPBUILD="${PBUILD}"
    94     KBRANCH="${BRANCH}"
    95     SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    96    
    97     kernel_src_prepare()
    98     {
    99     munpack ${SRCFILE} || die
    100 niro 9312 mv ${BUILDDIR}/linux-${TARBALLPVER/${PSUBVER}/} ${SRCDIR} || die
    101 niro 9311
    102     # fix permissions
    103     chown -R 0:0 ${SRCDIR} || die
    104     chmod -R a+r-w+X,u+w ${SRCDIR} || die
    105    
    106     cd ${SRCDIR}
    107    
    108     # fixes INSTALL_PATH to /boot and EXTRAVERSION
    109     sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    110     -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    111 niro 9463
    112     # fix sublevel version with 3.x kernels and higher
    113     local kver=$(echo ${PVER} | sed "s:\.::g")
    114     if [[ ${PVER%%.*} -gt 2 ]]
    115     then
    116     local sublevel="$(echo ${PVER} | cut -d. -f3)"
    117     sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
    118     fi
    119 niro 9311 }
    120    
    121     kernel_src_compile()
    122     {
    123     cd ${SRCDIR}
    124    
    125     make mrproper || die
    126    
    127     if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    128     then
    129     # inject our kernel config
    130     cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    131     make ARCH=${ARCH/i*86/x86} oldconfig || die
    132     fi
    133    
    134     case ${KERNEL_TYPE} in
    135     image)
    136     mmake ARCH=${ARCH/i*86/x86} || die
    137     ;;
    138    
    139     headers)
    140     make ARCH=${ARCH/i*86/x86} headers_check || die
    141     ;;
    142    
    143     sources)
    144     make clean || die
    145    
    146     # needed to compile other programs like iptables
    147     make ARCH=${ARCH/i*86/x86} prepare || die
    148     # needed to cover >=2.6.14 builds
    149     # but deprecated with >=2.6.21, prepare cover all targets there
    150     local kver=$(echo ${PVER} | sed "s:\.::g")
    151     # honor >=3.0.x; add one zero
    152     if [[ ${PVER%%.*} -gt 2 ]]
    153     then
    154     kver="${kver}0"
    155     fi
    156     if [[ ${kver} < 2621 ]]
    157     then
    158     make ARCH=${ARCH/i*86/x86} prepare-all || die
    159     fi
    160     make ARCH=${ARCH/i*86/x86} scripts || die
    161    
    162     # at least alsa-drivers needs this one ...
    163     touch include/linux/autoconf.h || die
    164     ;;
    165     esac
    166     }
    167    
    168     kernel_image_src_install()
    169     {
    170     cd ${SRCDIR}
    171    
    172     # needed directories
    173     minstalldir /boot || die
    174    
    175     # install modules
    176     make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    177    
    178     # install kernelimage
    179     if [[ -z ${KERNEL_IMAGE_PATH} ]]
    180     then
    181     local my_arch="${ARCH}"
    182     [[ ${my_arch} = i*86 ]] && my_arch=i386
    183     minstallfile arch/${my_arch}/boot/bzImage \
    184     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    185     || die
    186     else
    187     minstallfile ${KERNEL_IMAGE_PATH} \
    188     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    189     || die
    190     fi
    191    
    192     # install System.map
    193     minstallfile System.map \
    194     /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    195     || die
    196    
    197     # install Module.symvers in boot and /usr/src
    198     minstallfile Module.symvers \
    199     /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    200     || die
    201     minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    202     minstallfile Module.symvers \
    203     /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    204     || die
    205    
    206     # install kernel description
    207     echo "
    208     KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    209     KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    210     KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    211     KRNINITRD=
    212     " > ${BINDIR}/boot/kernelversion || die
    213    
    214     # install kernel-config from srcdir
    215     minstallfile .config \
    216     /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    217     || die
    218    
    219     # fix build symlink
    220     if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    221     then
    222     echo "fixing build symlink"
    223     rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    224     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    225     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    226     || die
    227     fi
    228    
    229     # and fixing source symlink
    230     if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    231     then
    232     echo "fixing source symlink"
    233     rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    234     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    235     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    236     || die
    237     fi
    238     }
    239    
    240     kernel_headers_src_install()
    241     {
    242     cd ${SRCDIR}
    243     make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    244     }
    245    
    246     kernel_sources_src_install()
    247     {
    248     cd ${BUILDDIR}
    249    
    250     echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    251     tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    252    
    253     echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    254     minstalldir /usr/src || die
    255     mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    256     }
    257    
    258     # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    259     # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    260     kernel_external_modules_install()
    261     {
    262     cd ${BUILDDIR}
    263    
    264     local modsrc="$1"
    265     local moddest="$2"
    266     local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    267    
    268     echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    269     install -d ${moddir} || die
    270     mv ${modsrc} ${moddir}/${moddest} || die
    271     }
    272    
    273     kernel_external_modules_tarball()
    274     {
    275     cd ${BUILDDIR}
    276    
    277     echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    278     tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    279     kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    280    
    281     echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    282     minstalldir /usr/src || die
    283     mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    284     }
    285    
    286     kernel_src_install()
    287     {
    288     case ${KERNEL_TYPE} in
    289     image)
    290     kernel_image_src_install || die
    291     ;;
    292    
    293     headers)
    294     kernel_headers_src_install || die
    295     ;;
    296    
    297     sources)
    298     kernel_sources_src_install || die
    299     ;;
    300     esac
    301     }
    302    
    303     kernel_major_version()
    304     {
    305     local ksrc="$@"
    306     local kv
    307    
    308     if [[ -z ${ksrc} ]]
    309     then
    310     kv="$(uname -r|cut -d. -f1-2)"
    311     else
    312     local version
    313     local patchlevel
    314    
    315     # get version from makefile
    316     version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    317     # get patchlevel from makefile
    318     patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    319     # kernelversion
    320     kv="${version}.${patchlevel}"
    321     fi
    322    
    323     echo "${kv}"
    324     }
    325    
    326     mod_suffix()
    327     {
    328     local ksrc="$@"
    329     local mod_suffix
    330     local kmv
    331    
    332     kmv=$(kernel_major_version ${ksrc})
    333     if [[ ${kmv//.} -ge 26 ]]
    334     then
    335     mod_suffix="ko"
    336     else
    337     mod_suffix="o"
    338     fi
    339    
    340     echo ${mod_suffix}
    341     }
    342    
    343     kernel_image_preinstall()
    344     {
    345     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    346     then
    347     mount /boot &> /dev/null
    348     fi
    349     }
    350    
    351     kernel_image_preremove()
    352     {
    353     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    354     then
    355     mount /boot &> /dev/null
    356     fi
    357     }
    358    
    359     kernel_image_postremove()
    360     {
    361     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    362     then
    363     # remove old image entry from grub
    364     new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    365     fi
    366     }
    367    
    368     kernel_image_postinstall()
    369     {
    370     [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    371    
    372     # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    373     [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    374     rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    375    
    376     [ -x ${MROOT}/sbin/depmod ] &&
    377     ${MROOT}/sbin/depmod -ae \
    378     -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    379     ${KPVER}-${KBRANCH}-${KPBUILD}
    380    
    381     # do not run this if ${MROOT} is set !
    382     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    383     then
    384     new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    385     fi
    386    
    387     # symlink actual kernel to /boot/vmlinuz etc...
    388     ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    389     ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    390     ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    391     [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    392     ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    393 niro 9465
    394     # remove firmware bits if $LINUX_FIRMWARE was set
    395     if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    396     then
    397     if [[ -d ${BINDIR}/lib/firmware ]]
    398     then
    399     rm -rv ${BINDIR}/lib/firmware
    400     fi
    401     fi
    402 niro 9311 }
    403    
    404     kernel_sources_postinstall()
    405     {
    406     # check for linux-VERSION/include as the kernel-image installs
    407     # the file Modules.symver in the linux-VERSION directory
    408     if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    409     then
    410     echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    411     tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    412     fi
    413    
    414     if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    415     [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    416     then
    417     echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    418     tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    419     fi
    420    
    421     # if not exist create linux symlink
    422     if [ ! -h ${MROOT}/usr/src/linux ]
    423     then
    424     echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    425     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    426     ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    427     ${MROOT}/usr/src/linux || die
    428     fi
    429    
    430     # if not exist create kernel-modules symlink
    431     if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    432     [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    433     then
    434     echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    435     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    436     ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    437     ${MROOT}/usr/src/kernel-modules || die
    438     fi
    439     }
    440    
    441     export_inherits kernel src_prepare src_compile src_install
    442    
    443     # export pre/postinstall functions depending on KERNEL_TYPE
    444     case ${KERNEL_TYPE} in
    445     image)
    446     export_inherits kernel_image preinstall preremove postinstall postremove
    447     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    448     ;;
    449     sources)
    450     export_inherits kernel_sources postinstall
    451     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    452     ;;
    453     esac