Magellan Linux

  • Back to homepage
    • /[alx-svn]/smage/trunk/include/kernel.sminc

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

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 2951 - (show annotations) (download)
    Wed Sep 7 10:12:44 2011 UTC (12 years, 8 months ago) by niro
    File size: 12000 byte(s) 
    -fixed a typo
    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 : ${PCATEGORIE="sys-kernel"}
    27 : ${HOMEPAGE="http://magellan-linux.de/"}
    28 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    29 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    30
    31 case ${KERNEL_TYPE} in
    32 image|sources)
    33 if [[ -z ${SRC_URI[*]} ]]
    34 then
    35 SRC_URI=(
    36 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    37 mirror://kernel-${BRANCH}/${SRCFILE}
    38 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    39 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    40 )
    41 fi
    42 ;;
    43
    44 headers)
    45 if [[ -z ${SRC_URI[*]} ]]
    46 then
    47 SRC_URI=(
    48 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    49 mirror://kernel-${BRANCH}/${SRCFILE}
    50 )
    51 fi
    52 ;;
    53 esac
    54
    55 case ${KERNEL_TYPE} in
    56 image)
    57 : ${PROVIDE="virtual/kernel"}
    58 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    59 >= sys-fs/udev-115
    60 >= sys-apps/mkinitrd-5.0.8
    61 >= virtual/initscripts"}
    62 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    63 ;;
    64
    65 sources)
    66 : ${PROVIDE="virtual/kernel-sources"}
    67 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    68 ;;
    69
    70 headers)
    71 : ${PROVIDE="virtual/kernel-headers"}
    72 : ${DESCRIPTION="Sanitized kernel headers for libc."}
    73 ;;
    74 esac
    75
    76 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    77 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    78
    79 # special vars for mage file only
    80 KPVER="${PVER}"
    81 KPBUILD="${PBUILD}"
    82 KBRANCH="${BRANCH}"
    83 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    84
    85 kernel_src_prepare()
    86 {
    87 munpack ${SRCFILE} || die
    88 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    89
    90 # fix permissions
    91 chown -R 0:0 ${SRCDIR} || die
    92 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    93
    94 cd ${SRCDIR}
    95
    96 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    97 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    98 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    99 }
    100
    101 kernel_src_compile()
    102 {
    103 cd ${SRCDIR}
    104
    105 make mrproper || die
    106
    107 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    108 then
    109 # inject our kernel config
    110 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    111 make ARCH=${ARCH/i*86/x86} oldconfig || die
    112 fi
    113
    114 case ${KERNEL_TYPE} in
    115 image)
    116 mmake ARCH=${ARCH/i*86/x86} || die
    117 ;;
    118
    119 headers)
    120 make ARCH=${ARCH/i*86/x86} headers_check || die
    121 ;;
    122
    123 sources)
    124 make clean || die
    125
    126 # needed to compile other programs like iptables
    127 make ARCH=${ARCH/i*86/x86} prepare || die
    128 # needed to cover >=2.6.14 builds
    129 # but deprecated with >=2.6.21, prepare cover all targets there
    130 local kver=$(echo ${PVER} | sed "s:\.::g")
    131 # honor >=3.0.x; add one zero
    132 if [[ ${PVER%%.*} -gt 2 ]]
    133 then
    134 kver="${kver}0"
    135 fi
    136 if [[ ${kver} < 2621 ]]
    137 then
    138 make ARCH=${ARCH/i*86/x86} prepare-all || die
    139 fi
    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 kernel_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
    220 kernel_headers_src_install()
    221 {
    222 cd ${SRCDIR}
    223 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    224 }
    225
    226 kernel_sources_src_install()
    227 {
    228 cd ${BUILDDIR}
    229
    230 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    231 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    232
    233 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    234 minstalldir /usr/src || die
    235 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    236 }
    237
    238 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    239 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    240 kernel_external_modules_install()
    241 {
    242 cd ${BUILDDIR}
    243
    244 local modsrc="$1"
    245 local moddest="$2"
    246 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    247
    248 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    249 install -d ${moddir} || die
    250 mv ${modsrc} ${moddir}/${moddest} || die
    251 }
    252
    253 kernel_external_modules_tarball()
    254 {
    255 cd ${BUILDDIR}
    256
    257 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    258 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    259 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    260
    261 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    262 minstalldir /usr/src || die
    263 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    264 }
    265
    266 kernel_src_install()
    267 {
    268 case ${KERNEL_TYPE} in
    269 image)
    270 kernel_image_src_install || die
    271 ;;
    272
    273 headers)
    274 kernel_headers_src_install || die
    275 ;;
    276
    277 sources)
    278 kernel_sources_src_install || die
    279 ;;
    280 esac
    281 }
    282
    283 kernel_major_version()
    284 {
    285 local ksrc="$@"
    286 local kv
    287
    288 if [[ -z ${ksrc} ]]
    289 then
    290 kv="$(uname -r|cut -d. -f1-2)"
    291 else
    292 local version
    293 local patchlevel
    294
    295 # get version from makefile
    296 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    297 # get patchlevel from makefile
    298 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    299 # kernelversion
    300 kv="${version}.${patchlevel}"
    301 fi
    302
    303 echo "${kv}"
    304 }
    305
    306 mod_suffix()
    307 {
    308 local ksrc="$@"
    309 local mod_suffix
    310 local kmv
    311
    312 kmv=$(kernel_major_version ${ksrc})
    313 if [[ ${kmv//.} -ge 26 ]]
    314 then
    315 mod_suffix="ko"
    316 else
    317 mod_suffix="o"
    318 fi
    319
    320 echo ${mod_suffix}
    321 }
    322
    323 kernel_image_preinstall()
    324 {
    325 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    326 then
    327 mount /boot &> /dev/null
    328 fi
    329 }
    330
    331 kernel_image_preremove()
    332 {
    333 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    334 then
    335 mount /boot &> /dev/null
    336 fi
    337 }
    338
    339 kernel_image_postremove()
    340 {
    341 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    342 then
    343 # remove old image entry from grub
    344 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    345 fi
    346 }
    347
    348 kernel_image_postinstall()
    349 {
    350 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    351
    352 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    353 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    354 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    355
    356 [ -x ${MROOT}/sbin/depmod ] &&
    357 ${MROOT}/sbin/depmod -ae \
    358 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    359 ${KPVER}-${KBRANCH}-${KPBUILD}
    360
    361 # do not run this if ${MROOT} is set !
    362 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    363 then
    364 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    365 fi
    366
    367 # symlink actual kernel to /boot/vmlinuz etc...
    368 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    369 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    370 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    371 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    372 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    373 }
    374
    375 kernel_sources_postinstall()
    376 {
    377 # check for linux-VERSION/include as the kernel-image installs
    378 # the file Modules.symver in the linux-VERSION directory
    379 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    380 then
    381 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    382 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    383 fi
    384
    385 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    386 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    387 then
    388 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    389 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    390 fi
    391
    392 # if not exist create linux symlink
    393 if [ ! -h ${MROOT}/usr/src/linux ]
    394 then
    395 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    396 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    397 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    398 ${MROOT}/usr/src/linux || die
    399 fi
    400
    401 # if not exist create kernel-modules symlink
    402 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    403 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    404 then
    405 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    406 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    407 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    408 ${MROOT}/usr/src/kernel-modules || die
    409 fi
    410 }
    411
    412 export_inherits kernel src_prepare src_compile src_install
    413
    414 # export pre/postinstall functions depending on KERNEL_TYPE
    415 case ${KERNEL_TYPE} in
    416 image)
    417 export_inherits kernel_image preinstall preremove postinstall postremove
    418 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    419 ;;
    420 sources)
    421 export_inherits kernel_sources postinstall
    422 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    423 ;;
    424 esac