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    Contents of /branches/magellan-next/include/kernel.sminc

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    Revision 9743 - (show annotations) (download)
    Tue Jan 10 14:08:45 2012 UTC (12 years, 3 months ago) by niro
    File size: 13513 byte(s) 
    -fixed TARBALLPVER handling
    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
    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 # 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 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 # some sane defaults
    62 : ${PCATEGORIE="sys-kernel"}
    63 : ${HOMEPAGE="http://magellan-linux.de/"}
    64 : ${TARBALLPVER="${PVER}"}
    65 : ${SRCFILE="linux-${TARBALLPVER}.tar.bz2"}
    66 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    67
    68 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
    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 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
    120
    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 ${EXTRAVERSION}:" Makefile || die
    130
    131 # fix sublevel version with 3.x kernels and higher
    132 local kver=$(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 }
    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
    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 }
    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