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

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    Revision 2939 - (show annotations) (download)
    Tue Sep 6 19:09:06 2011 UTC (12 years, 8 months ago) by niro
    File size: 11525 byte(s) 
    -support headers
    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 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    27 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    28
    29 case ${KERNEL_TYPE} in
    30 image|sources)
    31 : ${SRC_URI=(
    32 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    33 mirror://kernel-${BRANCH}/${SRCFILE}
    34 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    35 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    36 )}
    37 ;;
    38 headers)
    39 : ${SRC_URI=(
    40 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    41 mirror://kernel-${BRANCH}/${SRCFILE}
    42 )}
    43 ;;
    44 esac
    45
    46 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    47 >= sys-fs/udev-115
    48 >= sys-apps/mkinitrd-5.0.8
    49 >= virtual/initscripts"}
    50
    51 case ${KERNEL_TYPE} in
    52 image) : ${PROVIDE="virtual/kernel"} ;;
    53 sources) : ${PROVIDE="virtual/kernel-sources"} ;;
    54 headers) : ${PROVIDE="virtual/kernel-headers"} ;;
    55 esac
    56
    57 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    58 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    59
    60 # special vars for mage file only
    61 KPVER="${PVER}"
    62 KPBUILD="${PBUILD}"
    63 KBRANCH="${BRANCH}"
    64 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    65
    66 kernel_src_prepare()
    67 {
    68 munpack ${SRCFILE} || die
    69 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    70
    71 # fix permissions
    72 chown -R 0:0 ${SRCDIR} || die
    73 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    74
    75 cd ${SRCDIR}
    76
    77 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    78 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    79 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    80 }
    81
    82 kernel_src_compile()
    83 {
    84 cd ${SRCDIR}
    85
    86 make mrproper || die
    87
    88 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    89 then
    90 # inject our kernel config
    91 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    92 make ARCH=${ARCH/i*86/x86} oldconfig || die
    93 fi
    94
    95 case ${KERNEL_TYPE} in
    96 image)
    97 mmake ARCH=${ARCH/i*86/x86} || die
    98 ;;
    99
    100 headers)
    101 make ARCH=${ARCH/i*86/x86} headers_check || die
    102 ;;
    103
    104 sources)
    105 make clean || die
    106
    107 # needed to compile other programs like iptables
    108 make ARCH=${ARCH/i*86/x86} prepare || die
    109 # needed to cover >=2.6.14 builds
    110 # but deprecated with >=2.6.21, prepare cover all targets there
    111 local kver=$(echo ${PVER} | sed "s:\.::g")
    112 # honor >=3.0.x; add one zero
    113 if [[ ${PVER%%.*} -gt 2 ]]
    114 then
    115 kver="${kver}0"
    116 fi
    117 if [[ ${kver} < 2621 ]]
    118 then
    119 make ARCH=${ARCH/i*86/x86} prepare-all || die
    120 fi
    121 make ARCH=${ARCH/i*86/x86} scripts || die
    122
    123 # at least alsa-drivers needs this one ...
    124 touch include/linux/autoconf.h || die
    125 ;;
    126 esac
    127 }
    128
    129 kernel_image_src_install()
    130 {
    131 cd ${SRCDIR}
    132
    133 # needed directories
    134 minstalldir /boot || die
    135
    136 # install modules
    137 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    138
    139 # install kernelimage
    140 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    141 then
    142 local my_arch="${ARCH}"
    143 [[ ${my_arch} = i*86 ]] && my_arch=i386
    144 minstallfile arch/${my_arch}/boot/bzImage \
    145 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    146 || die
    147 else
    148 minstallfile ${KERNEL_IMAGE_PATH} \
    149 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    150 || die
    151 fi
    152
    153 # install System.map
    154 minstallfile System.map \
    155 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    156 || die
    157
    158 # install Module.symvers in boot and /usr/src
    159 minstallfile Module.symvers \
    160 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    161 || die
    162 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    163 minstallfile Module.symvers \
    164 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    165 || die
    166
    167 # install kernel description
    168 echo "
    169 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    170 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    171 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    172 KRNINITRD=
    173 " > ${BINDIR}/boot/kernelversion || die
    174
    175 # install kernel-config from srcdir
    176 minstallfile .config \
    177 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    178 || die
    179
    180 # fix build symlink
    181 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    182 then
    183 echo "fixing build symlink"
    184 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    185 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    186 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    187 || die
    188 fi
    189
    190 # and fixing source symlink
    191 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    192 then
    193 echo "fixing source symlink"
    194 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    195 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    196 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    197 || die
    198 fi
    199 }
    200
    201 kernel_headers_src_install()
    202 {
    203 cd ${SRCDIR}
    204 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    205 }
    206
    207 kernel_sources_src_install()
    208 {
    209 cd ${BUILDDIR}
    210
    211 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    212 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    213
    214 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    215 minstalldir /usr/src || die
    216 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    217 }
    218
    219 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    220 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    221 kernel_external_modules_install()
    222 {
    223 cd ${BUILDDIR}
    224
    225 local modsrc="$1"
    226 local moddest="$2"
    227 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    228
    229 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    230 install -d ${moddir} || die
    231 mv ${modsrc} ${moddir}/${moddest} || die
    232 }
    233
    234 kernel_external_modules_tarball()
    235 {
    236 cd ${BUILDDIR}
    237
    238 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    239 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    240 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    241
    242 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    243 minstalldir /usr/src || die
    244 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    245 }
    246
    247 kernel_src_install()
    248 {
    249 case ${KERNEL_TYPE} in
    250 image)
    251 kernel_image_src_install || die
    252 ;;
    253
    254 headers)
    255 kernel_headers_src_install || die
    256 ;;
    257
    258 sources)
    259 kernel_sources_src_install || die
    260 ;;
    261 esac
    262 }
    263
    264 kernel_major_version()
    265 {
    266 local ksrc="$@"
    267 local kv
    268
    269 if [[ -z ${ksrc} ]]
    270 then
    271 kv="$(uname -r|cut -d. -f1-2)"
    272 else
    273 local version
    274 local patchlevel
    275
    276 # get version from makefile
    277 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    278 # get patchlevel from makefile
    279 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    280 # kernelversion
    281 kv="${version}.${patchlevel}"
    282 fi
    283
    284 echo "${kv}"
    285 }
    286
    287 mod_suffix()
    288 {
    289 local ksrc="$@"
    290 local mod_suffix
    291 local kmv
    292
    293 kmv=$(kernel_major_version ${ksrc})
    294 if [[ ${kmv//.} -ge 26 ]]
    295 then
    296 mod_suffix="ko"
    297 else
    298 mod_suffix="o"
    299 fi
    300
    301 echo ${mod_suffix}
    302 }
    303
    304 kernel_image_preinstall()
    305 {
    306 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    307 then
    308 mount /boot &> /dev/null
    309 fi
    310 }
    311
    312 kernel_image_preremove()
    313 {
    314 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    315 then
    316 mount /boot &> /dev/null
    317 fi
    318 }
    319
    320 kernel_image_postremove()
    321 {
    322 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    323 then
    324 # remove old image entry from grub
    325 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    326 fi
    327 }
    328
    329 kernel_image_postinstall()
    330 {
    331 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    332
    333 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    334 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    335 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    336
    337 [ -x ${MROOT}/sbin/depmod ] &&
    338 ${MROOT}/sbin/depmod -ae \
    339 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    340 ${KPVER}-${KBRANCH}-${KPBUILD}
    341
    342 # do not run this if ${MROOT} is set !
    343 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    344 then
    345 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    346 fi
    347
    348 # symlink actual kernel to /boot/vmlinuz etc...
    349 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    350 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    351 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    352 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    353 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    354 }
    355
    356 kernel_sources_postinstall()
    357 {
    358 # check for linux-VERSION/include as the kernel-image installs
    359 # the file Modules.symver in the linux-VERSION directory
    360 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    361 then
    362 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    363 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    364 fi
    365
    366 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    367 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    368 then
    369 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    370 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    371 fi
    372
    373 # if not exist create linux symlink
    374 if [ ! -h ${MROOT}/usr/src/linux ]
    375 then
    376 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    377 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    378 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    379 ${MROOT}/usr/src/linux || die
    380 fi
    381
    382 # if not exist create kernel-modules symlink
    383 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    384 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    385 then
    386 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    387 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    388 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    389 ${MROOT}/usr/src/kernel-modules || die
    390 fi
    391 }
    392
    393 export_inherits kernel src_prepare src_compile src_install
    394
    395 # export pre/postinstall functions depending on KERNEL_TYPE
    396 case ${KERNEL_TYPE} in
    397 image)
    398 export_inherits kernel_image preinstall preremove postinstall postremove
    399 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    400 ;;
    401 sources)
    402 export_inherits kernel_sources postinstall
    403 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    404 ;;
    405 esac