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

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    Revision 2941 - (show annotations) (download)
    Tue Sep 6 19:12:41 2011 UTC (12 years, 8 months ago) by niro
    File size: 11565 byte(s) 
    -sane PCATEGORIE default
    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 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    28 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    29
    30 case ${KERNEL_TYPE} in
    31 image|sources)
    32 : ${SRC_URI=(
    33 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    34 mirror://kernel-${BRANCH}/${SRCFILE}
    35 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    36 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    37 )}
    38 ;;
    39 headers)
    40 : ${SRC_URI=(
    41 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    42 mirror://kernel-${BRANCH}/${SRCFILE}
    43 )}
    44 ;;
    45 esac
    46
    47 case ${KERNEL_TYPE} in
    48 image)
    49 : ${PROVIDE="virtual/kernel"}
    50 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    51 >= sys-fs/udev-115
    52 >= sys-apps/mkinitrd-5.0.8
    53 >= virtual/initscripts"}
    54 ;;
    55 sources) : ${PROVIDE="virtual/kernel-sources"} ;;
    56 headers) : ${PROVIDE="virtual/kernel-headers"} ;;
    57 esac
    58
    59 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    60 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    61
    62 # special vars for mage file only
    63 KPVER="${PVER}"
    64 KPBUILD="${PBUILD}"
    65 KBRANCH="${BRANCH}"
    66 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    67
    68 kernel_src_prepare()
    69 {
    70 munpack ${SRCFILE} || die
    71 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    72
    73 # fix permissions
    74 chown -R 0:0 ${SRCDIR} || die
    75 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    76
    77 cd ${SRCDIR}
    78
    79 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    80 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    81 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    82 }
    83
    84 kernel_src_compile()
    85 {
    86 cd ${SRCDIR}
    87
    88 make mrproper || die
    89
    90 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    91 then
    92 # inject our kernel config
    93 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    94 make ARCH=${ARCH/i*86/x86} oldconfig || die
    95 fi
    96
    97 case ${KERNEL_TYPE} in
    98 image)
    99 mmake ARCH=${ARCH/i*86/x86} || die
    100 ;;
    101
    102 headers)
    103 make ARCH=${ARCH/i*86/x86} headers_check || die
    104 ;;
    105
    106 sources)
    107 make clean || die
    108
    109 # needed to compile other programs like iptables
    110 make ARCH=${ARCH/i*86/x86} prepare || die
    111 # needed to cover >=2.6.14 builds
    112 # but deprecated with >=2.6.21, prepare cover all targets there
    113 local kver=$(echo ${PVER} | sed "s:\.::g")
    114 # honor >=3.0.x; add one zero
    115 if [[ ${PVER%%.*} -gt 2 ]]
    116 then
    117 kver="${kver}0"
    118 fi
    119 if [[ ${kver} < 2621 ]]
    120 then
    121 make ARCH=${ARCH/i*86/x86} prepare-all || die
    122 fi
    123 make ARCH=${ARCH/i*86/x86} scripts || die
    124
    125 # at least alsa-drivers needs this one ...
    126 touch include/linux/autoconf.h || die
    127 ;;
    128 esac
    129 }
    130
    131 kernel_image_src_install()
    132 {
    133 cd ${SRCDIR}
    134
    135 # needed directories
    136 minstalldir /boot || die
    137
    138 # install modules
    139 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    140
    141 # install kernelimage
    142 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    143 then
    144 local my_arch="${ARCH}"
    145 [[ ${my_arch} = i*86 ]] && my_arch=i386
    146 minstallfile arch/${my_arch}/boot/bzImage \
    147 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    148 || die
    149 else
    150 minstallfile ${KERNEL_IMAGE_PATH} \
    151 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    152 || die
    153 fi
    154
    155 # install System.map
    156 minstallfile System.map \
    157 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    158 || die
    159
    160 # install Module.symvers in boot and /usr/src
    161 minstallfile Module.symvers \
    162 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    163 || die
    164 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    165 minstallfile Module.symvers \
    166 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    167 || die
    168
    169 # install kernel description
    170 echo "
    171 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    172 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    173 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    174 KRNINITRD=
    175 " > ${BINDIR}/boot/kernelversion || die
    176
    177 # install kernel-config from srcdir
    178 minstallfile .config \
    179 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    180 || die
    181
    182 # fix build symlink
    183 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    184 then
    185 echo "fixing build symlink"
    186 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    187 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    188 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    189 || die
    190 fi
    191
    192 # and fixing source symlink
    193 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    194 then
    195 echo "fixing source symlink"
    196 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    197 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    198 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    199 || die
    200 fi
    201 }
    202
    203 kernel_headers_src_install()
    204 {
    205 cd ${SRCDIR}
    206 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    207 }
    208
    209 kernel_sources_src_install()
    210 {
    211 cd ${BUILDDIR}
    212
    213 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    214 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    215
    216 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    217 minstalldir /usr/src || die
    218 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    219 }
    220
    221 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    222 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    223 kernel_external_modules_install()
    224 {
    225 cd ${BUILDDIR}
    226
    227 local modsrc="$1"
    228 local moddest="$2"
    229 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    230
    231 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    232 install -d ${moddir} || die
    233 mv ${modsrc} ${moddir}/${moddest} || die
    234 }
    235
    236 kernel_external_modules_tarball()
    237 {
    238 cd ${BUILDDIR}
    239
    240 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    241 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    242 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    243
    244 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    245 minstalldir /usr/src || die
    246 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    247 }
    248
    249 kernel_src_install()
    250 {
    251 case ${KERNEL_TYPE} in
    252 image)
    253 kernel_image_src_install || die
    254 ;;
    255
    256 headers)
    257 kernel_headers_src_install || die
    258 ;;
    259
    260 sources)
    261 kernel_sources_src_install || die
    262 ;;
    263 esac
    264 }
    265
    266 kernel_major_version()
    267 {
    268 local ksrc="$@"
    269 local kv
    270
    271 if [[ -z ${ksrc} ]]
    272 then
    273 kv="$(uname -r|cut -d. -f1-2)"
    274 else
    275 local version
    276 local patchlevel
    277
    278 # get version from makefile
    279 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    280 # get patchlevel from makefile
    281 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    282 # kernelversion
    283 kv="${version}.${patchlevel}"
    284 fi
    285
    286 echo "${kv}"
    287 }
    288
    289 mod_suffix()
    290 {
    291 local ksrc="$@"
    292 local mod_suffix
    293 local kmv
    294
    295 kmv=$(kernel_major_version ${ksrc})
    296 if [[ ${kmv//.} -ge 26 ]]
    297 then
    298 mod_suffix="ko"
    299 else
    300 mod_suffix="o"
    301 fi
    302
    303 echo ${mod_suffix}
    304 }
    305
    306 kernel_image_preinstall()
    307 {
    308 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    309 then
    310 mount /boot &> /dev/null
    311 fi
    312 }
    313
    314 kernel_image_preremove()
    315 {
    316 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    317 then
    318 mount /boot &> /dev/null
    319 fi
    320 }
    321
    322 kernel_image_postremove()
    323 {
    324 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    325 then
    326 # remove old image entry from grub
    327 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    328 fi
    329 }
    330
    331 kernel_image_postinstall()
    332 {
    333 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    334
    335 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    336 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    337 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    338
    339 [ -x ${MROOT}/sbin/depmod ] &&
    340 ${MROOT}/sbin/depmod -ae \
    341 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    342 ${KPVER}-${KBRANCH}-${KPBUILD}
    343
    344 # do not run this if ${MROOT} is set !
    345 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    346 then
    347 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    348 fi
    349
    350 # symlink actual kernel to /boot/vmlinuz etc...
    351 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    352 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    353 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    354 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    355 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    356 }
    357
    358 kernel_sources_postinstall()
    359 {
    360 # check for linux-VERSION/include as the kernel-image installs
    361 # the file Modules.symver in the linux-VERSION directory
    362 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    363 then
    364 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    365 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    366 fi
    367
    368 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    369 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    370 then
    371 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    372 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    373 fi
    374
    375 # if not exist create linux symlink
    376 if [ ! -h ${MROOT}/usr/src/linux ]
    377 then
    378 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    379 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    380 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    381 ${MROOT}/usr/src/linux || die
    382 fi
    383
    384 # if not exist create kernel-modules symlink
    385 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    386 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    387 then
    388 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    389 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    390 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    391 ${MROOT}/usr/src/kernel-modules || die
    392 fi
    393 }
    394
    395 export_inherits kernel src_prepare src_compile src_install
    396
    397 # export pre/postinstall functions depending on KERNEL_TYPE
    398 case ${KERNEL_TYPE} in
    399 image)
    400 export_inherits kernel_image preinstall preremove postinstall postremove
    401 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    402 ;;
    403 sources)
    404 export_inherits kernel_sources postinstall
    405 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    406 ;;
    407 esac