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

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    Revision 9740 - (hide annotations) (download)
    Tue Jan 10 13:05:07 2012 UTC (12 years, 4 months ago) by niro
    Original Path: branches/magellan-next/include/kernel.sminc
    File size: 13530 byte(s) 
    -consolidate SRC_URIs
    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 niro 9466 # ${COMPRESS_MODULES}: compresses the kernel modules with given compressor (gzip|bzip2|xz)
    15 niro 9311
    16     sminclude mtools
    17    
    18     # remove me when all distris support this:
    19     if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    20     then
    21     KERNEL_ARCH_EXTENSION="-${ARCH}"
    22     else
    23     KERNEL_ARCH_EXTENSION=""
    24     fi
    25    
    26 niro 9465 # remove included firmware bits if requested
    27     # set the version here like USE_LINUX_FIRMARE="20110605"
    28     # version "internal" keeps the bits too
    29     if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    30     then
    31     DEPEND="${DEPEND}
    32     >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    33     fi
    34    
    35 niro 9466 if [[ ! -z ${COMPRESS_MODULES} ]]
    36     then
    37     case ${COMPRESS_MODULES} in
    38     gzip)
    39     COMPRESS_MODULES_CMD="gzip -9v"
    40     SDEPEND="${SDEPEND}
    41     >= app-arch/gzip-1.4"
    42     ;;
    43     bzip2)
    44     COMPRESS_MODULES_CMD="bzip2 -9v"
    45     SDEPEND="${SDEPEND}
    46     >= app-arch/bzip2-1.0.6"
    47     ;;
    48     xz)
    49     COMPRESS_MODULES_CMD="xz -9v"
    50     SDEPEND="${SDEPEND}
    51     >= app-arch/xz-5"
    52     ;;
    53     none)
    54     echo "Disabled compressed kernel-modules!"
    55     COMPRESS_MODULES_CMD=""
    56     ;;
    57     *) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
    58     esac
    59     fi
    60    
    61 niro 9311 # some sane defaults
    62     : ${PCATEGORIE="sys-kernel"}
    63     : ${HOMEPAGE="http://magellan-linux.de/"}
    64     : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    65     : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    66 niro 9312 : ${TARBALLPVER="${PVER}"}
    67 niro 9311
    68 niro 9740 if [[ -z ${SRC_URI[*]} ]]
    69     then
    70     SRC_URI=(
    71     http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    72     http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    73     mirror://kernel-${BRANCH}/${SRCFILE}
    74     )
    75     case ${KERNEL_TYPE} in
    76     image|sources)
    77     SRC_URI=(
    78     ${SRC_URI[*]}
    79     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    80     mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    81     )
    82     ;;
    83     esac
    84     fi
    85 niro 9311
    86     case ${KERNEL_TYPE} in
    87     image)
    88     : ${PROVIDE="virtual/kernel"}
    89     : ${DEPEND=">= sys-apps/module-init-tools-3.2
    90     >= sys-fs/udev-115
    91     >= sys-apps/mkinitrd-5.0.8
    92     >= virtual/initscripts"}
    93     : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    94     ;;
    95    
    96     sources)
    97     : ${PROVIDE="virtual/kernel-sources"}
    98     : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    99     ;;
    100    
    101     headers)
    102     : ${PROVIDE="virtual/kernel-headers"}
    103     : ${DESCRIPTION="Sanitized kernel headers for libc."}
    104     ;;
    105     esac
    106    
    107     EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    108     KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    109    
    110     # special vars for mage file only
    111     KPVER="${PVER}"
    112     KPBUILD="${PBUILD}"
    113     KBRANCH="${BRANCH}"
    114     SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    115    
    116     kernel_src_prepare()
    117     {
    118     munpack ${SRCFILE} || die
    119 niro 9312 mv ${BUILDDIR}/linux-${TARBALLPVER/${PSUBVER}/} ${SRCDIR} || die
    120 niro 9311
    121     # fix permissions
    122     chown -R 0:0 ${SRCDIR} || die
    123     chmod -R a+r-w+X,u+w ${SRCDIR} || die
    124    
    125     cd ${SRCDIR}
    126    
    127     # fixes INSTALL_PATH to /boot and EXTRAVERSION
    128     sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    129     -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    130 niro 9463
    131     # fix sublevel version with 3.x kernels and higher
    132     local kver=$(echo ${PVER} | sed "s:\.::g")
    133     if [[ ${PVER%%.*} -gt 2 ]]
    134     then
    135     local sublevel="$(echo ${PVER} | cut -d. -f3)"
    136     sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
    137     fi
    138 niro 9311 }
    139    
    140     kernel_src_compile()
    141     {
    142     cd ${SRCDIR}
    143    
    144     make mrproper || die
    145    
    146     if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    147     then
    148     # inject our kernel config
    149     cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    150     make ARCH=${ARCH/i*86/x86} oldconfig || die
    151     fi
    152    
    153     case ${KERNEL_TYPE} in
    154     image)
    155     mmake ARCH=${ARCH/i*86/x86} || die
    156     ;;
    157    
    158     headers)
    159     make ARCH=${ARCH/i*86/x86} headers_check || die
    160     ;;
    161    
    162     sources)
    163     make clean || die
    164    
    165     # needed to compile other programs like iptables
    166     make ARCH=${ARCH/i*86/x86} prepare || die
    167     # needed to cover >=2.6.14 builds
    168     # but deprecated with >=2.6.21, prepare cover all targets there
    169     local kver=$(echo ${PVER} | sed "s:\.::g")
    170     # honor >=3.0.x; add one zero
    171     if [[ ${PVER%%.*} -gt 2 ]]
    172     then
    173     kver="${kver}0"
    174     fi
    175     if [[ ${kver} < 2621 ]]
    176     then
    177     make ARCH=${ARCH/i*86/x86} prepare-all || die
    178     fi
    179     make ARCH=${ARCH/i*86/x86} scripts || die
    180    
    181     # at least alsa-drivers needs this one ...
    182     touch include/linux/autoconf.h || die
    183     ;;
    184     esac
    185     }
    186    
    187     kernel_image_src_install()
    188     {
    189     cd ${SRCDIR}
    190    
    191     # needed directories
    192     minstalldir /boot || die
    193    
    194     # install modules
    195     make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    196    
    197     # install kernelimage
    198     if [[ -z ${KERNEL_IMAGE_PATH} ]]
    199     then
    200     local my_arch="${ARCH}"
    201     [[ ${my_arch} = i*86 ]] && my_arch=i386
    202     minstallfile arch/${my_arch}/boot/bzImage \
    203     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    204     || die
    205     else
    206     minstallfile ${KERNEL_IMAGE_PATH} \
    207     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    208     || die
    209     fi
    210    
    211     # install System.map
    212     minstallfile System.map \
    213     /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    214     || die
    215    
    216     # install Module.symvers in boot and /usr/src
    217     minstallfile Module.symvers \
    218     /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    219     || die
    220     minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    221     minstallfile Module.symvers \
    222     /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    223     || die
    224    
    225     # install kernel description
    226     echo "
    227     KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    228     KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    229     KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    230     KRNINITRD=
    231     " > ${BINDIR}/boot/kernelversion || die
    232    
    233     # install kernel-config from srcdir
    234     minstallfile .config \
    235     /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    236     || die
    237    
    238     # fix build symlink
    239     if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    240     then
    241     echo "fixing build symlink"
    242     rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    243     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    244     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    245     || die
    246     fi
    247    
    248     # and fixing source symlink
    249     if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    250     then
    251     echo "fixing source symlink"
    252     rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    253     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    254     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    255     || die
    256     fi
    257 niro 9466
    258     # remove firmware bits if $LINUX_FIRMWARE was set
    259     if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    260     then
    261     if [[ -d ${BINDIR}/lib/firmware ]]
    262     then
    263     rm -rv ${BINDIR}/lib/firmware
    264     fi
    265     fi
    266    
    267     # compress modules if COMPRESS_MODULES_CMD was set
    268     if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    269     then
    270     # compress all kernel modules
    271     find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    272     fi
    273 niro 9311 }
    274    
    275     kernel_headers_src_install()
    276     {
    277     cd ${SRCDIR}
    278     make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    279     }
    280    
    281     kernel_sources_src_install()
    282     {
    283     cd ${BUILDDIR}
    284    
    285     echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    286     tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    287    
    288     echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    289     minstalldir /usr/src || die
    290     mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    291     }
    292    
    293     # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    294     # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    295     kernel_external_modules_install()
    296     {
    297     cd ${BUILDDIR}
    298    
    299     local modsrc="$1"
    300     local moddest="$2"
    301     local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    302    
    303     echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    304     install -d ${moddir} || die
    305     mv ${modsrc} ${moddir}/${moddest} || die
    306     }
    307    
    308     kernel_external_modules_tarball()
    309     {
    310     cd ${BUILDDIR}
    311    
    312     echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    313     tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    314     kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    315    
    316     echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    317     minstalldir /usr/src || die
    318     mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    319     }
    320    
    321     kernel_src_install()
    322     {
    323     case ${KERNEL_TYPE} in
    324     image)
    325     kernel_image_src_install || die
    326     ;;
    327    
    328     headers)
    329     kernel_headers_src_install || die
    330     ;;
    331    
    332     sources)
    333     kernel_sources_src_install || die
    334     ;;
    335     esac
    336     }
    337    
    338     kernel_major_version()
    339     {
    340     local ksrc="$@"
    341     local kv
    342    
    343     if [[ -z ${ksrc} ]]
    344     then
    345     kv="$(uname -r|cut -d. -f1-2)"
    346     else
    347     local version
    348     local patchlevel
    349    
    350     # get version from makefile
    351     version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    352     # get patchlevel from makefile
    353     patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    354     # kernelversion
    355     kv="${version}.${patchlevel}"
    356     fi
    357    
    358     echo "${kv}"
    359     }
    360    
    361     mod_suffix()
    362     {
    363     local ksrc="$@"
    364     local mod_suffix
    365     local kmv
    366    
    367     kmv=$(kernel_major_version ${ksrc})
    368     if [[ ${kmv//.} -ge 26 ]]
    369     then
    370     mod_suffix="ko"
    371     else
    372     mod_suffix="o"
    373     fi
    374    
    375     echo ${mod_suffix}
    376     }
    377    
    378     kernel_image_preinstall()
    379     {
    380     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    381     then
    382     mount /boot &> /dev/null
    383     fi
    384     }
    385    
    386     kernel_image_preremove()
    387     {
    388     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    389     then
    390     mount /boot &> /dev/null
    391     fi
    392     }
    393    
    394     kernel_image_postremove()
    395     {
    396     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    397     then
    398     # remove old image entry from grub
    399     new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    400     fi
    401     }
    402    
    403     kernel_image_postinstall()
    404     {
    405     [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    406    
    407     # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    408     [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    409     rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    410    
    411     [ -x ${MROOT}/sbin/depmod ] &&
    412     ${MROOT}/sbin/depmod -ae \
    413     -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    414     ${KPVER}-${KBRANCH}-${KPBUILD}
    415    
    416     # do not run this if ${MROOT} is set !
    417     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    418     then
    419     new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    420     fi
    421    
    422     # symlink actual kernel to /boot/vmlinuz etc...
    423     ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    424     ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    425     ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    426     [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    427     ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    428     }
    429    
    430     kernel_sources_postinstall()
    431     {
    432     # check for linux-VERSION/include as the kernel-image installs
    433     # the file Modules.symver in the linux-VERSION directory
    434     if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    435     then
    436     echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    437     tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    438     fi
    439    
    440     if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    441     [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    442     then
    443     echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    444     tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    445     fi
    446    
    447     # if not exist create linux symlink
    448     if [ ! -h ${MROOT}/usr/src/linux ]
    449     then
    450     echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    451     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    452     ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    453     ${MROOT}/usr/src/linux || die
    454     fi
    455    
    456     # if not exist create kernel-modules symlink
    457     if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    458     [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    459     then
    460     echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    461     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    462     ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    463     ${MROOT}/usr/src/kernel-modules || die
    464     fi
    465     }
    466    
    467     export_inherits kernel src_prepare src_compile src_install
    468    
    469     # export pre/postinstall functions depending on KERNEL_TYPE
    470     case ${KERNEL_TYPE} in
    471     image)
    472     export_inherits kernel_image preinstall preremove postinstall postremove
    473     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    474     ;;
    475     sources)
    476     export_inherits kernel_sources postinstall
    477     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    478     ;;
    479     esac