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

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    Revision 2940 - (show annotations) (download)
    Tue Sep 6 19:11:27 2011 UTC (12 years, 8 months ago) by niro
    File size: 11536 byte(s) 
    -fixed dependencies
    1 # 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 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    27 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    28
    29 case ${KERNEL_TYPE} in
    30 image|sources)
    31 : ${SRC_URI=(
    32 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    33 mirror://kernel-${BRANCH}/${SRCFILE}
    34 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    35 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    36 )}
    37 ;;
    38 headers)
    39 : ${SRC_URI=(
    40 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    41 mirror://kernel-${BRANCH}/${SRCFILE}
    42 )}
    43 ;;
    44 esac
    45
    46 case ${KERNEL_TYPE} in
    47 image)
    48 : ${PROVIDE="virtual/kernel"}
    49 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    50 >= sys-fs/udev-115
    51 >= sys-apps/mkinitrd-5.0.8
    52 >= virtual/initscripts"}
    53 ;;
    54 sources) : ${PROVIDE="virtual/kernel-sources"} ;;
    55 headers) : ${PROVIDE="virtual/kernel-headers"} ;;
    56 esac
    57
    58 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    59 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    60
    61 # special vars for mage file only
    62 KPVER="${PVER}"
    63 KPBUILD="${PBUILD}"
    64 KBRANCH="${BRANCH}"
    65 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    66
    67 kernel_src_prepare()
    68 {
    69 munpack ${SRCFILE} || die
    70 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    71
    72 # fix permissions
    73 chown -R 0:0 ${SRCDIR} || die
    74 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    75
    76 cd ${SRCDIR}
    77
    78 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    79 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    80 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    81 }
    82
    83 kernel_src_compile()
    84 {
    85 cd ${SRCDIR}
    86
    87 make mrproper || die
    88
    89 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    90 then
    91 # inject our kernel config
    92 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    93 make ARCH=${ARCH/i*86/x86} oldconfig || die
    94 fi
    95
    96 case ${KERNEL_TYPE} in
    97 image)
    98 mmake ARCH=${ARCH/i*86/x86} || die
    99 ;;
    100
    101 headers)
    102 make ARCH=${ARCH/i*86/x86} headers_check || die
    103 ;;
    104
    105 sources)
    106 make clean || die
    107
    108 # needed to compile other programs like iptables
    109 make ARCH=${ARCH/i*86/x86} prepare || die
    110 # needed to cover >=2.6.14 builds
    111 # but deprecated with >=2.6.21, prepare cover all targets there
    112 local kver=$(echo ${PVER} | sed "s:\.::g")
    113 # honor >=3.0.x; add one zero
    114 if [[ ${PVER%%.*} -gt 2 ]]
    115 then
    116 kver="${kver}0"
    117 fi
    118 if [[ ${kver} < 2621 ]]
    119 then
    120 make ARCH=${ARCH/i*86/x86} prepare-all || die
    121 fi
    122 make ARCH=${ARCH/i*86/x86} scripts || die
    123
    124 # at least alsa-drivers needs this one ...
    125 touch include/linux/autoconf.h || die
    126 ;;
    127 esac
    128 }
    129
    130 kernel_image_src_install()
    131 {
    132 cd ${SRCDIR}
    133
    134 # needed directories
    135 minstalldir /boot || die
    136
    137 # install modules
    138 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    139
    140 # install kernelimage
    141 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    142 then
    143 local my_arch="${ARCH}"
    144 [[ ${my_arch} = i*86 ]] && my_arch=i386
    145 minstallfile arch/${my_arch}/boot/bzImage \
    146 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    147 || die
    148 else
    149 minstallfile ${KERNEL_IMAGE_PATH} \
    150 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    151 || die
    152 fi
    153
    154 # install System.map
    155 minstallfile System.map \
    156 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    157 || die
    158
    159 # install Module.symvers in boot and /usr/src
    160 minstallfile Module.symvers \
    161 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    162 || die
    163 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    164 minstallfile Module.symvers \
    165 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    166 || die
    167
    168 # install kernel description
    169 echo "
    170 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    171 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    172 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    173 KRNINITRD=
    174 " > ${BINDIR}/boot/kernelversion || die
    175
    176 # install kernel-config from srcdir
    177 minstallfile .config \
    178 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    179 || die
    180
    181 # fix build symlink
    182 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    183 then
    184 echo "fixing build symlink"
    185 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    186 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    187 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    188 || die
    189 fi
    190
    191 # and fixing source symlink
    192 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    193 then
    194 echo "fixing source symlink"
    195 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    196 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    197 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    198 || die
    199 fi
    200 }
    201
    202 kernel_headers_src_install()
    203 {
    204 cd ${SRCDIR}
    205 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    206 }
    207
    208 kernel_sources_src_install()
    209 {
    210 cd ${BUILDDIR}
    211
    212 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    213 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    214
    215 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    216 minstalldir /usr/src || die
    217 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    218 }
    219
    220 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    221 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    222 kernel_external_modules_install()
    223 {
    224 cd ${BUILDDIR}
    225
    226 local modsrc="$1"
    227 local moddest="$2"
    228 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    229
    230 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    231 install -d ${moddir} || die
    232 mv ${modsrc} ${moddir}/${moddest} || die
    233 }
    234
    235 kernel_external_modules_tarball()
    236 {
    237 cd ${BUILDDIR}
    238
    239 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    240 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    241 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    242
    243 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    244 minstalldir /usr/src || die
    245 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    246 }
    247
    248 kernel_src_install()
    249 {
    250 case ${KERNEL_TYPE} in
    251 image)
    252 kernel_image_src_install || die
    253 ;;
    254
    255 headers)
    256 kernel_headers_src_install || die
    257 ;;
    258
    259 sources)
    260 kernel_sources_src_install || die
    261 ;;
    262 esac
    263 }
    264
    265 kernel_major_version()
    266 {
    267 local ksrc="$@"
    268 local kv
    269
    270 if [[ -z ${ksrc} ]]
    271 then
    272 kv="$(uname -r|cut -d. -f1-2)"
    273 else
    274 local version
    275 local patchlevel
    276
    277 # get version from makefile
    278 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    279 # get patchlevel from makefile
    280 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    281 # kernelversion
    282 kv="${version}.${patchlevel}"
    283 fi
    284
    285 echo "${kv}"
    286 }
    287
    288 mod_suffix()
    289 {
    290 local ksrc="$@"
    291 local mod_suffix
    292 local kmv
    293
    294 kmv=$(kernel_major_version ${ksrc})
    295 if [[ ${kmv//.} -ge 26 ]]
    296 then
    297 mod_suffix="ko"
    298 else
    299 mod_suffix="o"
    300 fi
    301
    302 echo ${mod_suffix}
    303 }
    304
    305 kernel_image_preinstall()
    306 {
    307 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    308 then
    309 mount /boot &> /dev/null
    310 fi
    311 }
    312
    313 kernel_image_preremove()
    314 {
    315 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    316 then
    317 mount /boot &> /dev/null
    318 fi
    319 }
    320
    321 kernel_image_postremove()
    322 {
    323 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    324 then
    325 # remove old image entry from grub
    326 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    327 fi
    328 }
    329
    330 kernel_image_postinstall()
    331 {
    332 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    333
    334 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    335 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    336 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    337
    338 [ -x ${MROOT}/sbin/depmod ] &&
    339 ${MROOT}/sbin/depmod -ae \
    340 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    341 ${KPVER}-${KBRANCH}-${KPBUILD}
    342
    343 # do not run this if ${MROOT} is set !
    344 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    345 then
    346 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    347 fi
    348
    349 # symlink actual kernel to /boot/vmlinuz etc...
    350 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    351 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    352 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    353 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    354 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    355 }
    356
    357 kernel_sources_postinstall()
    358 {
    359 # check for linux-VERSION/include as the kernel-image installs
    360 # the file Modules.symver in the linux-VERSION directory
    361 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    362 then
    363 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    364 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    365 fi
    366
    367 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    368 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    369 then
    370 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    371 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    372 fi
    373
    374 # if not exist create linux symlink
    375 if [ ! -h ${MROOT}/usr/src/linux ]
    376 then
    377 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    378 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    379 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    380 ${MROOT}/usr/src/linux || die
    381 fi
    382
    383 # if not exist create kernel-modules symlink
    384 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    385 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    386 then
    387 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    388 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    389 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    390 ${MROOT}/usr/src/kernel-modules || die
    391 fi
    392 }
    393
    394 export_inherits kernel src_prepare src_compile src_install
    395
    396 # export pre/postinstall functions depending on KERNEL_TYPE
    397 case ${KERNEL_TYPE} in
    398 image)
    399 export_inherits kernel_image preinstall preremove postinstall postremove
    400 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    401 ;;
    402 sources)
    403 export_inherits kernel_sources postinstall
    404 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    405 ;;
    406 esac