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

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    Revision 2949 - (show annotations) (download)
    Wed Sep 7 09:52:54 2011 UTC (13 years, 1 month ago) by niro
    File size: 11921 byte(s) 
    -fixed SRC_URI to honor 3.0 names
    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 : ${SRC_URI=(
    34 http://www.kernel.org/pub/linux/kernel/v$(echo ${pver} | cut -d. -f1-2)/${SRCFILE}
    35 mirror://kernel-${BRANCH}/${SRCFILE}
    36 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    37 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    38 )}
    39 ;;
    40
    41 headers)
    42 : ${SRC_URI=(
    43 http://www.kernel.org/pub/linux/kernel/v$(echo ${pver} | cut -d. -f1-2)/${SRCFILE}
    44 mirror://kernel-${BRANCH}/${SRCFILE}
    45 )}
    46 ;;
    47 esac
    48
    49 case ${KERNEL_TYPE} in
    50 image)
    51 : ${PROVIDE="virtual/kernel"}
    52 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    53 >= sys-fs/udev-115
    54 >= sys-apps/mkinitrd-5.0.8
    55 >= virtual/initscripts"}
    56 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    57 ;;
    58
    59 sources)
    60 : ${PROVIDE="virtual/kernel-sources"}
    61 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
    62 ;;
    63
    64 headers)
    65 : ${PROVIDE="virtual/kernel-headers"}
    66 : ${DESCRIPTION="Sanitized kernel headers for libc."}
    67 ;;
    68 esac
    69
    70 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    71 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    72
    73 # special vars for mage file only
    74 KPVER="${PVER}"
    75 KPBUILD="${PBUILD}"
    76 KBRANCH="${BRANCH}"
    77 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    78
    79 kernel_src_prepare()
    80 {
    81 munpack ${SRCFILE} || die
    82 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    83
    84 # fix permissions
    85 chown -R 0:0 ${SRCDIR} || die
    86 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    87
    88 cd ${SRCDIR}
    89
    90 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    91 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    92 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    93 }
    94
    95 kernel_src_compile()
    96 {
    97 cd ${SRCDIR}
    98
    99 make mrproper || die
    100
    101 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    102 then
    103 # inject our kernel config
    104 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    105 make ARCH=${ARCH/i*86/x86} oldconfig || die
    106 fi
    107
    108 case ${KERNEL_TYPE} in
    109 image)
    110 mmake ARCH=${ARCH/i*86/x86} || die
    111 ;;
    112
    113 headers)
    114 make ARCH=${ARCH/i*86/x86} headers_check || die
    115 ;;
    116
    117 sources)
    118 make clean || die
    119
    120 # needed to compile other programs like iptables
    121 make ARCH=${ARCH/i*86/x86} prepare || die
    122 # needed to cover >=2.6.14 builds
    123 # but deprecated with >=2.6.21, prepare cover all targets there
    124 local kver=$(echo ${PVER} | sed "s:\.::g")
    125 # honor >=3.0.x; add one zero
    126 if [[ ${PVER%%.*} -gt 2 ]]
    127 then
    128 kver="${kver}0"
    129 fi
    130 if [[ ${kver} < 2621 ]]
    131 then
    132 make ARCH=${ARCH/i*86/x86} prepare-all || die
    133 fi
    134 make ARCH=${ARCH/i*86/x86} scripts || die
    135
    136 # at least alsa-drivers needs this one ...
    137 touch include/linux/autoconf.h || die
    138 ;;
    139 esac
    140 }
    141
    142 kernel_image_src_install()
    143 {
    144 cd ${SRCDIR}
    145
    146 # needed directories
    147 minstalldir /boot || die
    148
    149 # install modules
    150 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    151
    152 # install kernelimage
    153 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    154 then
    155 local my_arch="${ARCH}"
    156 [[ ${my_arch} = i*86 ]] && my_arch=i386
    157 minstallfile arch/${my_arch}/boot/bzImage \
    158 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    159 || die
    160 else
    161 minstallfile ${KERNEL_IMAGE_PATH} \
    162 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    163 || die
    164 fi
    165
    166 # install System.map
    167 minstallfile System.map \
    168 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    169 || die
    170
    171 # install Module.symvers in boot and /usr/src
    172 minstallfile Module.symvers \
    173 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    174 || die
    175 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    176 minstallfile Module.symvers \
    177 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    178 || die
    179
    180 # install kernel description
    181 echo "
    182 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    183 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    184 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    185 KRNINITRD=
    186 " > ${BINDIR}/boot/kernelversion || die
    187
    188 # install kernel-config from srcdir
    189 minstallfile .config \
    190 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    191 || die
    192
    193 # fix build symlink
    194 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    195 then
    196 echo "fixing build symlink"
    197 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    198 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    199 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    200 || die
    201 fi
    202
    203 # and fixing source symlink
    204 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    205 then
    206 echo "fixing source symlink"
    207 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    208 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    209 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    210 || die
    211 fi
    212 }
    213
    214 kernel_headers_src_install()
    215 {
    216 cd ${SRCDIR}
    217 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    218 }
    219
    220 kernel_sources_src_install()
    221 {
    222 cd ${BUILDDIR}
    223
    224 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    225 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    226
    227 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    228 minstalldir /usr/src || die
    229 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    230 }
    231
    232 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    233 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    234 kernel_external_modules_install()
    235 {
    236 cd ${BUILDDIR}
    237
    238 local modsrc="$1"
    239 local moddest="$2"
    240 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    241
    242 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    243 install -d ${moddir} || die
    244 mv ${modsrc} ${moddir}/${moddest} || die
    245 }
    246
    247 kernel_external_modules_tarball()
    248 {
    249 cd ${BUILDDIR}
    250
    251 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    252 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    253 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    254
    255 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    256 minstalldir /usr/src || die
    257 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    258 }
    259
    260 kernel_src_install()
    261 {
    262 case ${KERNEL_TYPE} in
    263 image)
    264 kernel_image_src_install || die
    265 ;;
    266
    267 headers)
    268 kernel_headers_src_install || die
    269 ;;
    270
    271 sources)
    272 kernel_sources_src_install || die
    273 ;;
    274 esac
    275 }
    276
    277 kernel_major_version()
    278 {
    279 local ksrc="$@"
    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 local kmv
    305
    306 kmv=$(kernel_major_version ${ksrc})
    307 if [[ ${kmv//.} -ge 26 ]]
    308 then
    309 mod_suffix="ko"
    310 else
    311 mod_suffix="o"
    312 fi
    313
    314 echo ${mod_suffix}
    315 }
    316
    317 kernel_image_preinstall()
    318 {
    319 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    320 then
    321 mount /boot &> /dev/null
    322 fi
    323 }
    324
    325 kernel_image_preremove()
    326 {
    327 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    328 then
    329 mount /boot &> /dev/null
    330 fi
    331 }
    332
    333 kernel_image_postremove()
    334 {
    335 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    336 then
    337 # remove old image entry from grub
    338 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    339 fi
    340 }
    341
    342 kernel_image_postinstall()
    343 {
    344 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    345
    346 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    347 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    348 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    349
    350 [ -x ${MROOT}/sbin/depmod ] &&
    351 ${MROOT}/sbin/depmod -ae \
    352 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    353 ${KPVER}-${KBRANCH}-${KPBUILD}
    354
    355 # do not run this if ${MROOT} is set !
    356 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    357 then
    358 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    359 fi
    360
    361 # symlink actual kernel to /boot/vmlinuz etc...
    362 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    363 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    364 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    365 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    366 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    367 }
    368
    369 kernel_sources_postinstall()
    370 {
    371 # check for linux-VERSION/include as the kernel-image installs
    372 # the file Modules.symver in the linux-VERSION directory
    373 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    374 then
    375 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    376 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    377 fi
    378
    379 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    380 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    381 then
    382 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    383 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    384 fi
    385
    386 # if not exist create linux symlink
    387 if [ ! -h ${MROOT}/usr/src/linux ]
    388 then
    389 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    390 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    391 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    392 ${MROOT}/usr/src/linux || die
    393 fi
    394
    395 # if not exist create kernel-modules symlink
    396 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    397 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    398 then
    399 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    400 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    401 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    402 ${MROOT}/usr/src/kernel-modules || die
    403 fi
    404 }
    405
    406 export_inherits kernel src_prepare src_compile src_install
    407
    408 # export pre/postinstall functions depending on KERNEL_TYPE
    409 case ${KERNEL_TYPE} in
    410 image)
    411 export_inherits kernel_image preinstall preremove postinstall postremove
    412 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    413 ;;
    414 sources)
    415 export_inherits kernel_sources postinstall
    416 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    417 ;;
    418 esac