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

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    Revision 18719 - (show annotations) (download)
    Wed Aug 14 10:58:50 2013 UTC (10 years, 9 months ago) by niro
    Original Path: trunk/include/kernel.sminc
    File size: 14197 byte(s) 
    -make kernelversion file optional
    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 # ${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 # ${INCLUDE_KERNELVERSION_FILE}: creates a /boot/kernelversion file (deprecated)
    20
    21 sminclude mtools
    22
    23 # remove me when all distris support this:
    24 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    25 then
    26 KERNEL_ARCH_EXTENSION="-${ARCH}"
    27 else
    28 KERNEL_ARCH_EXTENSION=""
    29 fi
    30
    31 if [[ ! -z ${COMPRESS_MODULES} ]]
    32 then
    33 case ${COMPRESS_MODULES} in
    34 gzip)
    35 COMPRESS_MODULES_CMD="gzip -9v"
    36 SDEPEND="${SDEPEND}
    37 >= app-arch/gzip-1.4"
    38 ;;
    39 bzip2)
    40 COMPRESS_MODULES_CMD="bzip2 -9v"
    41 SDEPEND="${SDEPEND}
    42 >= app-arch/bzip2-1.0.6"
    43 ;;
    44 xz)
    45 COMPRESS_MODULES_CMD="xz -9v"
    46 SDEPEND="${SDEPEND}
    47 >= app-arch/xz-5"
    48 ;;
    49 none)
    50 echo "Disabled compressed kernel-modules!"
    51 COMPRESS_MODULES_CMD=""
    52 ;;
    53 *) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
    54 esac
    55 fi
    56
    57 # some sane defaults
    58 : ${PCAT="sys-kernel"}
    59 : ${HOMEPAGE="http://magellan-linux.de/"}
    60 : ${TARBALLPVER="${PVER}"}
    61 : ${SRCFILE="linux-${TARBALLPVER}.tar.bz2"}
    62 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    63
    64 if [[ -z ${SRC_URI[*]} ]]
    65 then
    66 SRC_URI=(
    67 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    68 http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    69 mirror://kernel-${BRANCH}/${SRCFILE}
    70 )
    71 case ${KERNEL_TYPE} in
    72 image|sources)
    73 SRC_URI=(
    74 ${SRC_URI[*]}
    75 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    76 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    77 )
    78 ;;
    79 esac
    80 fi
    81
    82 case ${KERNEL_TYPE} in
    83 image)
    84 : ${PROVIDE="virtual/kernel"}
    85 : ${DEPEND=">= virtual/module-tools
    86 >= sys-fs/udev-115
    87 >= virtual/initramfs-tools
    88 >= virtual/initscripts"}
    89 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    90 then
    91 DEPEND="${DEPEND}
    92 >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    93 fi
    94 SDEPEND="${SDEPEND}
    95 >= sys-dev/bc-1.06"
    96 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    97 ;;
    98
    99 sources)
    100 : ${PROVIDE="virtual/kernel-sources"}
    101 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    102 ;;
    103
    104 headers)
    105 : ${PROVIDE="virtual/kernel-headers"}
    106 : ${DESCRIPTION="Sanitized kernel headers for libc."}
    107 ;;
    108 esac
    109
    110 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    111 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    112
    113 # special vars for mage file only
    114 KPVER="${PVER}"
    115 KPBUILD="${PBUILD}"
    116 KBRANCH="${BRANCH}"
    117 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    118
    119 # dummy function to apply kernel patches
    120 kernel_apply_patches()
    121 {
    122 return 0
    123 }
    124
    125 kernel_src_prepare()
    126 {
    127 munpack ${SRCFILE} || die
    128 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
    129
    130 # fix permissions
    131 chown -R 0:0 ${SRCDIR} || die
    132 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    133
    134 cd ${SRCDIR}
    135 kernel_apply_patches || die
    136
    137 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    138 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    139 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    140
    141 # fix sublevel version with 3.x kernels and higher
    142 local kver=$(echo ${PVER} | sed "s:\.::g")
    143 if [[ ${PVER%%.*} -gt 2 ]]
    144 then
    145 local sublevel="$(echo ${PVER} | cut -d. -f3)"
    146 sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
    147 fi
    148 }
    149
    150 kernel_src_compile()
    151 {
    152 cd ${SRCDIR}
    153
    154 make mrproper || die
    155
    156 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    157 then
    158 # inject our kernel config
    159 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    160 make ARCH=${ARCH/i*86/x86} oldconfig || die
    161 fi
    162
    163 case ${KERNEL_TYPE} in
    164 image)
    165 mmake ARCH=${ARCH/i*86/x86} || die
    166 ;;
    167
    168 headers)
    169 make ARCH=${ARCH/i*86/x86} headers_check || die
    170 ;;
    171
    172 sources)
    173 make clean || die
    174
    175 # needed to compile other programs like iptables
    176 make ARCH=${ARCH/i*86/x86} prepare || die
    177 # needed to cover >=2.6.14 builds
    178 # but deprecated with >=2.6.21, prepare cover all targets there
    179 local kver=$(echo ${PVER} | sed "s:\.::g")
    180 # honor >=3.0.x; add one zero
    181 if [[ ${PVER%%.*} -gt 2 ]]
    182 then
    183 kver="${kver}0"
    184 fi
    185 if [[ ${kver} < 2621 ]]
    186 then
    187 make ARCH=${ARCH/i*86/x86} prepare-all || die
    188 fi
    189 make ARCH=${ARCH/i*86/x86} scripts || die
    190
    191 # at least alsa-drivers needs this one ...
    192 touch include/linux/autoconf.h || die
    193 ;;
    194 esac
    195 }
    196
    197 kernel_image_src_install()
    198 {
    199 cd ${SRCDIR}
    200
    201 # needed directories
    202 minstalldir /boot || die
    203
    204 # install modules
    205 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die
    206
    207 # install kernelimage
    208 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    209 then
    210 local my_arch="${ARCH}"
    211 [[ ${my_arch} = i*86 ]] && my_arch=i386
    212 minstallfile arch/${my_arch}/boot/bzImage \
    213 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    214 || die
    215 else
    216 minstallfile ${KERNEL_IMAGE_PATH} \
    217 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    218 || die
    219 fi
    220
    221 # install System.map
    222 minstallfile System.map \
    223 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    224 || die
    225
    226 # install Module.symvers in boot and /usr/src
    227 minstallfile Module.symvers \
    228 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    229 || die
    230 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    231 minstallfile Module.symvers \
    232 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    233 || die
    234
    235 if [[ ${INCLUDE_KERNELVERSION_FILE} = true ]]
    236 then
    237 MCONFIG=/boot/kernelversion
    238 # install kernel description
    239 mclearconfig || die
    240 maddconfig "KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    241 maddconfig "KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    242 maddconfig "KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    243 maddconfig "KRNINITRD=" || die
    244 fi
    245
    246 # install kernel-config from srcdir
    247 minstallfile .config \
    248 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    249 || die
    250
    251 # fix build symlink
    252 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    253 then
    254 echo "fixing build symlink"
    255 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    256 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    257 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    258 || die
    259 fi
    260
    261 # and fixing source symlink
    262 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    263 then
    264 echo "fixing source symlink"
    265 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    266 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    267 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    268 || die
    269 fi
    270
    271 # remove firmware bits if $LINUX_FIRMWARE was set
    272 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    273 then
    274 if [[ -d ${BINDIR}/usr/lib/firmware ]]
    275 then
    276 rm -rv ${BINDIR}/usr/lib/firmware
    277 fi
    278 fi
    279
    280 # compress modules if COMPRESS_MODULES_CMD was set
    281 if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    282 then
    283 # compress all kernel modules
    284 find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    285 fi
    286 }
    287
    288 kernel_headers_src_install()
    289 {
    290 cd ${SRCDIR}
    291 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    292
    293 # clean-up unnecessary files
    294 find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
    295 }
    296
    297 kernel_sources_src_install()
    298 {
    299 cd ${BUILDDIR}
    300
    301 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    302 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    303
    304 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    305 minstalldir /usr/src || die
    306 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    307 }
    308
    309 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    310 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    311 kernel_external_modules_install()
    312 {
    313 cd ${BUILDDIR}
    314
    315 local modsrc="$1"
    316 local moddest="$2"
    317 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    318
    319 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    320 install -d ${moddir} || die
    321 mv ${modsrc} ${moddir}/${moddest} || die
    322 }
    323
    324 kernel_external_modules_tarball()
    325 {
    326 cd ${BUILDDIR}
    327
    328 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    329 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    330 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    331
    332 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    333 minstalldir /usr/src || die
    334 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    335 }
    336
    337 kernel_src_install()
    338 {
    339 case ${KERNEL_TYPE} in
    340 image)
    341 kernel_image_src_install || die
    342 ;;
    343
    344 headers)
    345 kernel_headers_src_install || die
    346 ;;
    347
    348 sources)
    349 kernel_sources_src_install || die
    350 ;;
    351 esac
    352 }
    353
    354 kernel_major_version()
    355 {
    356 local ksrc="$@"
    357 local kv
    358
    359 if [[ -z ${ksrc} ]]
    360 then
    361 kv="$(uname -r|cut -d. -f1-2)"
    362 else
    363 local version
    364 local patchlevel
    365
    366 # get version from makefile
    367 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    368 # get patchlevel from makefile
    369 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    370 # kernelversion
    371 kv="${version}.${patchlevel}"
    372 fi
    373
    374 echo "${kv}"
    375 }
    376
    377 mod_suffix()
    378 {
    379 local ksrc="$@"
    380 local mod_suffix
    381 local kmv
    382
    383 kmv=$(kernel_major_version ${ksrc})
    384 if [[ ${kmv//.} -ge 26 ]]
    385 then
    386 mod_suffix="ko"
    387 else
    388 mod_suffix="o"
    389 fi
    390
    391 echo ${mod_suffix}
    392 }
    393
    394 kernel_image_preinstall()
    395 {
    396 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    397 then
    398 mount /boot &> /dev/null
    399 fi
    400 }
    401
    402 kernel_image_preremove()
    403 {
    404 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    405 then
    406 mount /boot &> /dev/null
    407 fi
    408 }
    409
    410 kernel_image_postremove()
    411 {
    412 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    413 then
    414 # remove old image entry from grub
    415 new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    416 fi
    417 }
    418
    419 kernel_image_postinstall()
    420 {
    421 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    422
    423 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    424 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    425 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    426
    427 [ -x ${MROOT}/sbin/depmod ] &&
    428 ${MROOT}/sbin/depmod -ae \
    429 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    430 ${KPVER}-${KBRANCH}-${KPBUILD}
    431
    432 # do not run this if ${MROOT} is set !
    433 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    434 then
    435 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    436 fi
    437
    438 # symlink actual kernel to /boot/vmlinuz etc...
    439 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    440 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    441 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    442 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    443 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    444 }
    445
    446 kernel_sources_postinstall()
    447 {
    448 # check for linux-VERSION/include as the kernel-image installs
    449 # the file Modules.symver in the linux-VERSION directory
    450 if mqueryfeature "kernelsrcunpack" &&
    451 [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    452 then
    453 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    454 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    455 fi
    456
    457 if mqueryfeature "kernelsrcunpack" &&
    458 [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    459 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    460 then
    461 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    462 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    463 fi
    464
    465 # create linux symlink
    466 if mqueryfeature "linuxsymlink"
    467 then
    468 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    469 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    470 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    471 ${MROOT}/usr/src/linux || die
    472 fi
    473
    474 # create kernel-modules symlink
    475 if mqueryfeature "linuxsymlink" &&
    476 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    477 then
    478 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    479 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    480 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    481 ${MROOT}/usr/src/kernel-modules || die
    482 fi
    483 }
    484
    485 export_inherits kernel src_prepare src_compile src_install
    486
    487 # export pre/postinstall functions depending on KERNEL_TYPE
    488 case ${KERNEL_TYPE} in
    489 image)
    490 export_inherits kernel_image preinstall preremove postinstall postremove
    491 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    492 ;;
    493 sources)
    494 export_inherits kernel_sources postinstall
    495 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    496 ;;
    497 esac