Magellan Linux

  • Back to homepage
    • /[alx-svn]/smage/branches/alx-0_6_0/include/kernel26.sminc

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

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 3365 - (show annotations) (download)
    Tue Mar 27 14:11:21 2012 UTC (12 years, 1 month ago) by niro
    File size: 12159 byte(s) 
    -backported linux-firmware and compression support from upstream
    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 kernel26_src_prepare()
    90 {
    91 munpack ${SRCFILE} || die
    92 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    93
    94 # fix permissions
    95 chown -R 0:0 ${SRCDIR} || die
    96 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    97
    98 cd ${SRCDIR}
    99
    100 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    101 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    102 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    103 }
    104
    105 kernel26_src_compile()
    106 {
    107 cd ${SRCDIR}
    108
    109 make mrproper || die
    110
    111 # inject our kernel config
    112 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    113 make ARCH=${ARCH/i*86/x86} oldconfig || die
    114
    115 case ${KERNEL_TYPE} in
    116 image)
    117 mmake ARCH=${ARCH/i*86/x86} || die
    118 ;;
    119
    120 sources)
    121 make clean || die
    122
    123 # needed to compile other programs like iptables
    124 make ARCH=${ARCH/i*86/x86} prepare || die
    125 # needed to cover >=2.6.14 builds
    126 # but deprecated with >=2.6.21, prepare cover all targets there
    127 [[ $(echo ${PVER} | sed "s:\.::g") < 2621 ]] && { make ARCH=${ARCH/i*86/x86} prepare-all || die; }
    128 make ARCH=${ARCH/i*86/x86} scripts || die
    129
    130 # at least alsa-drivers needs this one ...
    131 touch include/linux/autoconf.h || die
    132 ;;
    133 esac
    134 }
    135
    136 kernel26_image_src_install()
    137 {
    138 cd ${SRCDIR}
    139
    140 # needed directories
    141 minstalldir /boot || die
    142
    143 # install modules
    144 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    145
    146 # install kernelimage
    147 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    148 then
    149 local my_arch="${ARCH}"
    150 [[ ${my_arch} = i*86 ]] && my_arch=i386
    151 minstallfile arch/${my_arch}/boot/bzImage \
    152 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    153 || die
    154 else
    155 minstallfile ${KERNEL_IMAGE_PATH} \
    156 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    157 || die
    158 fi
    159
    160 # install System.map
    161 minstallfile System.map \
    162 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    163 || die
    164
    165 # install Module.symvers in boot and /usr/src
    166 minstallfile Module.symvers \
    167 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    168 || die
    169 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    170 minstallfile Module.symvers \
    171 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    172 || die
    173
    174 # install kernel description
    175 echo "
    176 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    177 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    178 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    179 KRNINITRD=
    180 " > ${BINDIR}/boot/kernelversion || die
    181
    182 # install kernel-config from srcdir
    183 minstallfile .config \
    184 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    185 || die
    186
    187 # fix build symlink
    188 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    189 then
    190 echo "fixing build symlink"
    191 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    192 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    193 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    194 || die
    195 fi
    196
    197 # and fixing source symlink
    198 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    199 then
    200 echo "fixing source symlink"
    201 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    202 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    203 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    204 || die
    205 fi
    206
    207 # remove firmware bits if $LINUX_FIRMWARE was set
    208 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    209 then
    210 if [[ -d ${BINDIR}/lib/firmware ]]
    211 then
    212 rm -rv ${BINDIR}/lib/firmware
    213 fi
    214 fi
    215
    216 # compress modules if COMPRESS_MODULES_CMD was set
    217 if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    218 then
    219 # compress all kernel modules
    220 find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    221 fi
    222 }
    223
    224 kernel26_sources_src_install()
    225 {
    226 cd ${BUILDDIR}
    227
    228 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    229 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    230
    231 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    232 minstalldir /usr/src || die
    233 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    234 }
    235
    236 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    237 # kernel26_external_modules_install path/to/SRCDIR DESTDIRNAME
    238 kernel26_external_modules_install()
    239 {
    240 cd ${BUILDDIR}
    241
    242 local modsrc="$1"
    243 local moddest="$2"
    244 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    245
    246 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    247 install -d ${moddir} || die
    248 mv ${modsrc} ${moddir}/${moddest} || die
    249 }
    250
    251 kernel26_external_modules_tarball()
    252 {
    253 cd ${BUILDDIR}
    254
    255 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    256 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    257 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    258
    259 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    260 minstalldir /usr/src || die
    261 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    262 }
    263
    264 kernel26_src_install()
    265 {
    266 case ${KERNEL_TYPE} in
    267 image)
    268 kernel26_image_src_install || die
    269 ;;
    270
    271 sources)
    272 kernel26_sources_src_install || die
    273 ;;
    274 esac
    275 }
    276
    277 kernel_major_version()
    278 {
    279 local ksrc="$@"
    280 local kv
    281
    282 if [[ -z ${ksrc} ]]
    283 then
    284 kv="$(uname -r|cut -d. -f1-2)"
    285 else
    286 local version
    287 local patchlevel
    288
    289 # get version from makefile
    290 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    291 # get patchlevel from makefile
    292 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    293 # kernelversion
    294 kv="${version}.${patchlevel}"
    295 fi
    296
    297 echo "${kv}"
    298 }
    299
    300 mod_suffix()
    301 {
    302 local ksrc="$@"
    303 local mod_suffix
    304
    305 if [[ $(kernel_major_version ${ksrc}) = 2.6 ]]
    306 then
    307 mod_suffix="ko"
    308 else
    309 mod_suffix="o"
    310 fi
    311
    312 echo ${mod_suffix}
    313 }
    314
    315 kernel26_image_preinstall()
    316 {
    317 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    318 then
    319 mount /boot &> /dev/null
    320 fi
    321 }
    322
    323 kernel26_image_preremove()
    324 {
    325 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    326 then
    327 mount /boot &> /dev/null
    328 fi
    329 }
    330
    331 kernel26_image_postremove()
    332 {
    333 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    334 then
    335 # remove old image entry from grub
    336 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    337 fi
    338 }
    339
    340 kernel26_image_postinstall()
    341 {
    342 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    343
    344 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    345 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    346 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    347
    348 [ -x ${MROOT}/sbin/depmod ] &&
    349 ${MROOT}/sbin/depmod -ae \
    350 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    351 ${KPVER}-${KBRANCH}-${KPBUILD}
    352
    353 # do not run this if ${MROOT} is set !
    354 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    355 then
    356 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    357 fi
    358
    359 # symlink actual kernel to /boot/vmlinuz etc...
    360 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    361 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    362 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    363 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    364 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    365 }
    366
    367 kernel26_sources_postinstall()
    368 {
    369 # check for linux-VERSION/include as the kernel-image installs
    370 # the file Modules.symver in the linux-VERSION directory
    371 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    372 then
    373 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    374 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    375 fi
    376
    377 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    378 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    379 then
    380 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    381 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    382 fi
    383
    384 # if not exist create linux symlink
    385 if [ ! -h ${MROOT}/usr/src/linux ]
    386 then
    387 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    388 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    389 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    390 ${MROOT}/usr/src/linux || die
    391 fi
    392
    393 # if not exist create kernel-modules symlink
    394 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    395 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    396 then
    397 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    398 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    399 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    400 ${MROOT}/usr/src/kernel-modules || die
    401 fi
    402 }
    403
    404 export_inherits kernel26 src_prepare src_compile src_install
    405
    406 # export pre/postinstall functions depending on KERNEL_TYPE
    407 case ${KERNEL_TYPE} in
    408 image)
    409 export_inherits kernel26_image preinstall preremove postinstall postremove
    410 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_image_preinstall kernel26_image_preremove kernel26_image_postinstall kernel26_image_postremove"
    411 ;;
    412 sources)
    413 export_inherits kernel26_sources postinstall
    414 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_sources_postinstall"
    415 ;;
    416 esac