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

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    Revision 1718 - (show annotations) (download)
    Thu Sep 15 18:55:03 2011 UTC (12 years, 7 months ago) by niro
    File size: 12198 byte(s) 
    -new kernel include for kernel26 -> kernel move
    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 http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    38 mirror://kernel-${BRANCH}/${SRCFILE}
    39 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    40 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    41 )
    42 fi
    43 ;;
    44
    45 headers)
    46 if [[ -z ${SRC_URI[*]} ]]
    47 then
    48 SRC_URI=(
    49 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    50 http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
    51 mirror://kernel-${BRANCH}/${SRCFILE}
    52 )
    53 fi
    54 ;;
    55 esac
    56
    57 case ${KERNEL_TYPE} in
    58 image)
    59 : ${PROVIDE="virtual/kernel"}
    60 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    61 >= sys-fs/udev-115
    62 >= sys-apps/mkinitrd-5.0.8
    63 >= virtual/initscripts"}
    64 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    65 ;;
    66
    67 sources)
    68 : ${PROVIDE="virtual/kernel-sources"}
    69 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    70 ;;
    71
    72 headers)
    73 : ${PROVIDE="virtual/kernel-headers"}
    74 : ${DESCRIPTION="Sanitized kernel headers for libc."}
    75 ;;
    76 esac
    77
    78 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    79 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    80
    81 # special vars for mage file only
    82 KPVER="${PVER}"
    83 KPBUILD="${PBUILD}"
    84 KBRANCH="${BRANCH}"
    85 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    86
    87 kernel_src_prepare()
    88 {
    89 munpack ${SRCFILE} || die
    90 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    91
    92 # fix permissions
    93 chown -R 0:0 ${SRCDIR} || die
    94 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    95
    96 cd ${SRCDIR}
    97
    98 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    99 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    100 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    101 }
    102
    103 kernel_src_compile()
    104 {
    105 cd ${SRCDIR}
    106
    107 make mrproper || die
    108
    109 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    110 then
    111 # inject our kernel config
    112 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    113 make ARCH=${ARCH/i*86/x86} oldconfig || die
    114 fi
    115
    116 case ${KERNEL_TYPE} in
    117 image)
    118 mmake ARCH=${ARCH/i*86/x86} || die
    119 ;;
    120
    121 headers)
    122 make ARCH=${ARCH/i*86/x86} headers_check || die
    123 ;;
    124
    125 sources)
    126 make clean || die
    127
    128 # needed to compile other programs like iptables
    129 make ARCH=${ARCH/i*86/x86} prepare || die
    130 # needed to cover >=2.6.14 builds
    131 # but deprecated with >=2.6.21, prepare cover all targets there
    132 local kver=$(echo ${PVER} | sed "s:\.::g")
    133 # honor >=3.0.x; add one zero
    134 if [[ ${PVER%%.*} -gt 2 ]]
    135 then
    136 kver="${kver}0"
    137 fi
    138 if [[ ${kver} < 2621 ]]
    139 then
    140 make ARCH=${ARCH/i*86/x86} prepare-all || die
    141 fi
    142 make ARCH=${ARCH/i*86/x86} scripts || die
    143
    144 # at least alsa-drivers needs this one ...
    145 touch include/linux/autoconf.h || die
    146 ;;
    147 esac
    148 }
    149
    150 kernel_image_src_install()
    151 {
    152 cd ${SRCDIR}
    153
    154 # needed directories
    155 minstalldir /boot || die
    156
    157 # install modules
    158 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    159
    160 # install kernelimage
    161 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    162 then
    163 local my_arch="${ARCH}"
    164 [[ ${my_arch} = i*86 ]] && my_arch=i386
    165 minstallfile arch/${my_arch}/boot/bzImage \
    166 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    167 || die
    168 else
    169 minstallfile ${KERNEL_IMAGE_PATH} \
    170 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    171 || die
    172 fi
    173
    174 # install System.map
    175 minstallfile System.map \
    176 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    177 || die
    178
    179 # install Module.symvers in boot and /usr/src
    180 minstallfile Module.symvers \
    181 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    182 || die
    183 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    184 minstallfile Module.symvers \
    185 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    186 || die
    187
    188 # install kernel description
    189 echo "
    190 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    191 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    192 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    193 KRNINITRD=
    194 " > ${BINDIR}/boot/kernelversion || die
    195
    196 # install kernel-config from srcdir
    197 minstallfile .config \
    198 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    199 || die
    200
    201 # fix build symlink
    202 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    203 then
    204 echo "fixing build symlink"
    205 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    206 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    207 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    208 || die
    209 fi
    210
    211 # and fixing source symlink
    212 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    213 then
    214 echo "fixing source symlink"
    215 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    216 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    217 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    218 || die
    219 fi
    220 }
    221
    222 kernel_headers_src_install()
    223 {
    224 cd ${SRCDIR}
    225 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    226 }
    227
    228 kernel_sources_src_install()
    229 {
    230 cd ${BUILDDIR}
    231
    232 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    233 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    234
    235 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    236 minstalldir /usr/src || die
    237 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    238 }
    239
    240 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    241 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    242 kernel_external_modules_install()
    243 {
    244 cd ${BUILDDIR}
    245
    246 local modsrc="$1"
    247 local moddest="$2"
    248 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    249
    250 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    251 install -d ${moddir} || die
    252 mv ${modsrc} ${moddir}/${moddest} || die
    253 }
    254
    255 kernel_external_modules_tarball()
    256 {
    257 cd ${BUILDDIR}
    258
    259 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    260 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    261 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    262
    263 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    264 minstalldir /usr/src || die
    265 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    266 }
    267
    268 kernel_src_install()
    269 {
    270 case ${KERNEL_TYPE} in
    271 image)
    272 kernel_image_src_install || die
    273 ;;
    274
    275 headers)
    276 kernel_headers_src_install || die
    277 ;;
    278
    279 sources)
    280 kernel_sources_src_install || die
    281 ;;
    282 esac
    283 }
    284
    285 kernel_major_version()
    286 {
    287 local ksrc="$@"
    288 local kv
    289
    290 if [[ -z ${ksrc} ]]
    291 then
    292 kv="$(uname -r|cut -d. -f1-2)"
    293 else
    294 local version
    295 local patchlevel
    296
    297 # get version from makefile
    298 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    299 # get patchlevel from makefile
    300 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    301 # kernelversion
    302 kv="${version}.${patchlevel}"
    303 fi
    304
    305 echo "${kv}"
    306 }
    307
    308 mod_suffix()
    309 {
    310 local ksrc="$@"
    311 local mod_suffix
    312 local kmv
    313
    314 kmv=$(kernel_major_version ${ksrc})
    315 if [[ ${kmv//.} -ge 26 ]]
    316 then
    317 mod_suffix="ko"
    318 else
    319 mod_suffix="o"
    320 fi
    321
    322 echo ${mod_suffix}
    323 }
    324
    325 kernel_image_preinstall()
    326 {
    327 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    328 then
    329 mount /boot &> /dev/null
    330 fi
    331 }
    332
    333 kernel_image_preremove()
    334 {
    335 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    336 then
    337 mount /boot &> /dev/null
    338 fi
    339 }
    340
    341 kernel_image_postremove()
    342 {
    343 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    344 then
    345 # remove old image entry from grub
    346 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    347 fi
    348 }
    349
    350 kernel_image_postinstall()
    351 {
    352 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    353
    354 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    355 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    356 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    357
    358 [ -x ${MROOT}/sbin/depmod ] &&
    359 ${MROOT}/sbin/depmod -ae \
    360 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    361 ${KPVER}-${KBRANCH}-${KPBUILD}
    362
    363 # do not run this if ${MROOT} is set !
    364 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    365 then
    366 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    367 fi
    368
    369 # symlink actual kernel to /boot/vmlinuz etc...
    370 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    371 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    372 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    373 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    374 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    375 }
    376
    377 kernel_sources_postinstall()
    378 {
    379 # check for linux-VERSION/include as the kernel-image installs
    380 # the file Modules.symver in the linux-VERSION directory
    381 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    382 then
    383 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    384 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    385 fi
    386
    387 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    388 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    389 then
    390 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    391 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    392 fi
    393
    394 # if not exist create linux symlink
    395 if [ ! -h ${MROOT}/usr/src/linux ]
    396 then
    397 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    398 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    399 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    400 ${MROOT}/usr/src/linux || die
    401 fi
    402
    403 # if not exist create kernel-modules symlink
    404 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    405 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    406 then
    407 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    408 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    409 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    410 ${MROOT}/usr/src/kernel-modules || die
    411 fi
    412 }
    413
    414 export_inherits kernel src_prepare src_compile src_install
    415
    416 # export pre/postinstall functions depending on KERNEL_TYPE
    417 case ${KERNEL_TYPE} in
    418 image)
    419 export_inherits kernel_image preinstall preremove postinstall postremove
    420 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    421 ;;
    422 sources)
    423 export_inherits kernel_sources postinstall
    424 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    425 ;;
    426 esac