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    Contents of /smage/branches/alx-0_6_0/include/kernel26.sminc

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    Revision 6789 - (show annotations) (download)
    Wed Jul 22 07:07:40 2015 UTC (8 years, 9 months ago) by niro
    File size: 12367 byte(s) 
    -use TARBALLPVER or fallback to the old behavior for compat reasons
    1 # kernel26 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 # ${COMPRESS_MODULES}: compresses the kernel modules with given compressor (gzip|bzip2|xz)
    15 # ${LINUX_FIRMWARE}: remove included firmware bits if requested
    16 # set the version here like USE_LINUX_FIRMARE="20110605"
    17 # version "internal" keeps the bits too
    18 #
    19
    20 sminclude mtools
    21
    22 # remove me when all distris support this:
    23 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    24 then
    25 KERNEL_ARCH_EXTENSION="-${ARCH}"
    26 else
    27 KERNEL_ARCH_EXTENSION=""
    28 fi
    29
    30 if [[ ! -z ${COMPRESS_MODULES} ]]
    31 then
    32 case ${COMPRESS_MODULES} in
    33 gzip)
    34 COMPRESS_MODULES_CMD="gzip -9v"
    35 SDEPEND="${SDEPEND}
    36 >= app-arch/gzip-1.4"
    37 ;;
    38 bzip2)
    39 COMPRESS_MODULES_CMD="bzip2 -9v"
    40 SDEPEND="${SDEPEND}
    41 >= app-arch/bzip2-1.0.6"
    42 ;;
    43 xz)
    44 COMPRESS_MODULES_CMD="xz -9v"
    45 SDEPEND="${SDEPEND}
    46 >= app-arch/xz-5"
    47 ;;
    48 none)
    49 echo "Disabled compressed kernel-modules!"
    50 COMPRESS_MODULES_CMD=""
    51 ;;
    52 *) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
    53 esac
    54 fi
    55
    56 # some sane defaults
    57 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    58 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    59
    60 : ${SRC_URI=(
    61 http://www.kernel.org/pub/linux/kernel/v${PVER:0:3}/${SRCFILE}
    62 mirror://kernel26-${BRANCH}/${SRCFILE}
    63 mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    64 mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    65 )}
    66
    67 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    68 >= sys-fs/udev-115
    69 >= sys-apps/mkinitrd-5.0.8
    70 >= sys-apps/initscripts-0.4.3"}
    71
    72 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    73 then
    74 DEPEND="${DEPEND}
    75 >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    76 fi
    77
    78 : ${PROVIDE="virtual/kernel"}
    79
    80 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    81 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    82
    83 # special vars for mage file only
    84 KPVER="${PVER}"
    85 KPBUILD="${PBUILD}"
    86 KBRANCH="${BRANCH}"
    87 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    88
    89 # dummy function to apply kernel patches
    90 kernel_apply_patches()
    91 {
    92 return 0
    93 }
    94
    95 kernel26_src_prepare()
    96 {
    97 munpack ${SRCFILE} || die
    98 if [[ -n ${TARBALLPVER} ]]
    99 then
    100 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
    101 else
    102 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    103 fi
    104
    105 # fix permissions
    106 chown -R 0:0 ${SRCDIR} || die
    107 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    108
    109 cd ${SRCDIR}
    110 kernel_apply_patches || die
    111
    112 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    113 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    114 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    115 }
    116
    117 kernel26_src_compile()
    118 {
    119 cd ${SRCDIR}
    120
    121 make mrproper || die
    122
    123 # inject our kernel config
    124 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    125 make ARCH=${ARCH/i*86/x86} oldconfig || die
    126
    127 case ${KERNEL_TYPE} in
    128 image)
    129 mmake ARCH=${ARCH/i*86/x86} || die
    130 ;;
    131
    132 sources)
    133 make clean || die
    134
    135 # needed to compile other programs like iptables
    136 make ARCH=${ARCH/i*86/x86} prepare || die
    137 # needed to cover >=2.6.14 builds
    138 # but deprecated with >=2.6.21, prepare cover all targets there
    139 [[ $(echo ${PVER} | sed "s:\.::g") < 2621 ]] && { make ARCH=${ARCH/i*86/x86} prepare-all || die; }
    140 make ARCH=${ARCH/i*86/x86} scripts || die
    141
    142 # at least alsa-drivers needs this one ...
    143 touch include/linux/autoconf.h || die
    144 ;;
    145 esac
    146 }
    147
    148 kernel26_image_src_install()
    149 {
    150 cd ${SRCDIR}
    151
    152 # needed directories
    153 minstalldir /boot || die
    154
    155 # install modules
    156 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    157
    158 # install kernelimage
    159 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    160 then
    161 local my_arch="${ARCH}"
    162 [[ ${my_arch} = i*86 ]] && my_arch=i386
    163 minstallfile arch/${my_arch}/boot/bzImage \
    164 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    165 || die
    166 else
    167 minstallfile ${KERNEL_IMAGE_PATH} \
    168 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    169 || die
    170 fi
    171
    172 # install System.map
    173 minstallfile System.map \
    174 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    175 || die
    176
    177 # install Module.symvers in boot and /usr/src
    178 minstallfile Module.symvers \
    179 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    180 || die
    181 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    182 minstallfile Module.symvers \
    183 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    184 || die
    185
    186 # install kernel description
    187 echo "
    188 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    189 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    190 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    191 KRNINITRD=
    192 " > ${BINDIR}/boot/kernelversion || die
    193
    194 # install kernel-config from srcdir
    195 minstallfile .config \
    196 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    197 || die
    198
    199 # fix build symlink
    200 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    201 then
    202 echo "fixing build symlink"
    203 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    204 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    205 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    206 || die
    207 fi
    208
    209 # and fixing source symlink
    210 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    211 then
    212 echo "fixing source symlink"
    213 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    214 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    215 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    216 || die
    217 fi
    218
    219 # remove firmware bits if $LINUX_FIRMWARE was set
    220 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    221 then
    222 if [[ -d ${BINDIR}/lib/firmware ]]
    223 then
    224 rm -rv ${BINDIR}/lib/firmware
    225 fi
    226 fi
    227
    228 # compress modules if COMPRESS_MODULES_CMD was set
    229 if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    230 then
    231 # compress all kernel modules
    232 find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    233 fi
    234 }
    235
    236 kernel26_sources_src_install()
    237 {
    238 cd ${BUILDDIR}
    239
    240 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    241 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    242
    243 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    244 minstalldir /usr/src || die
    245 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    246 }
    247
    248 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    249 # kernel26_external_modules_install path/to/SRCDIR DESTDIRNAME
    250 kernel26_external_modules_install()
    251 {
    252 cd ${BUILDDIR}
    253
    254 local modsrc="$1"
    255 local moddest="$2"
    256 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    257
    258 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    259 install -d ${moddir} || die
    260 mv ${modsrc} ${moddir}/${moddest} || die
    261 }
    262
    263 kernel26_external_modules_tarball()
    264 {
    265 cd ${BUILDDIR}
    266
    267 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    268 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    269 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    270
    271 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    272 minstalldir /usr/src || die
    273 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    274 }
    275
    276 kernel26_src_install()
    277 {
    278 case ${KERNEL_TYPE} in
    279 image)
    280 kernel26_image_src_install || die
    281 ;;
    282
    283 sources)
    284 kernel26_sources_src_install || die
    285 ;;
    286 esac
    287 }
    288
    289 kernel_major_version()
    290 {
    291 local ksrc="$@"
    292 local kv
    293
    294 if [[ -z ${ksrc} ]]
    295 then
    296 kv="$(uname -r|cut -d. -f1-2)"
    297 else
    298 local version
    299 local patchlevel
    300
    301 # get version from makefile
    302 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    303 # get patchlevel from makefile
    304 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    305 # kernelversion
    306 kv="${version}.${patchlevel}"
    307 fi
    308
    309 echo "${kv}"
    310 }
    311
    312 mod_suffix()
    313 {
    314 local ksrc="$@"
    315 local mod_suffix
    316
    317 if [[ $(kernel_major_version ${ksrc}) = 2.6 ]]
    318 then
    319 mod_suffix="ko"
    320 else
    321 mod_suffix="o"
    322 fi
    323
    324 echo ${mod_suffix}
    325 }
    326
    327 kernel26_image_preinstall()
    328 {
    329 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    330 then
    331 mount /boot &> /dev/null
    332 fi
    333 }
    334
    335 kernel26_image_preremove()
    336 {
    337 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    338 then
    339 mount /boot &> /dev/null
    340 fi
    341 }
    342
    343 kernel26_image_postremove()
    344 {
    345 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    346 then
    347 # remove old image entry from grub
    348 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    349 fi
    350 }
    351
    352 kernel26_image_postinstall()
    353 {
    354 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    355
    356 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    357 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    358 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    359
    360 [ -x ${MROOT}/sbin/depmod ] &&
    361 ${MROOT}/sbin/depmod -ae \
    362 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    363 ${KPVER}-${KBRANCH}-${KPBUILD}
    364
    365 # do not run this if ${MROOT} is set !
    366 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    367 then
    368 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    369 fi
    370
    371 # symlink actual kernel to /boot/vmlinuz etc...
    372 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    373 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    374 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    375 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    376 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    377 }
    378
    379 kernel26_sources_postinstall()
    380 {
    381 # check for linux-VERSION/include as the kernel-image installs
    382 # the file Modules.symver in the linux-VERSION directory
    383 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    384 then
    385 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    386 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    387 fi
    388
    389 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    390 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    391 then
    392 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    393 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    394 fi
    395
    396 # if not exist create linux symlink
    397 if [ ! -h ${MROOT}/usr/src/linux ]
    398 then
    399 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    400 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    401 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    402 ${MROOT}/usr/src/linux || die
    403 fi
    404
    405 # if not exist create kernel-modules symlink
    406 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    407 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    408 then
    409 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    410 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    411 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    412 ${MROOT}/usr/src/kernel-modules || die
    413 fi
    414 }
    415
    416 export_inherits kernel26 src_prepare src_compile src_install
    417
    418 # export pre/postinstall functions depending on KERNEL_TYPE
    419 case ${KERNEL_TYPE} in
    420 image)
    421 export_inherits kernel26_image preinstall preremove postinstall postremove
    422 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_image_preinstall kernel26_image_preremove kernel26_image_postinstall kernel26_image_postremove"
    423 ;;
    424 sources)
    425 export_inherits kernel26_sources postinstall
    426 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_sources_postinstall"
    427 ;;
    428 esac