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    Contents of /trunk/core/include/kernel26.sminc

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    Revision 10 - (show annotations) (download)
    Fri Oct 10 19:12:19 2008 UTC (15 years, 6 months ago) by niro
    File size: 10213 byte(s) 
    -cross-compile support
    1 # kernel26 global smage functions
    2 # $Header: /magellan-cvs/smage/include/kernel26.sminc,v 1.25 2008/05/24 09:33:17 niro Exp $
    3
    4 # needed extra vars:
    5 # ${KERNEL_TYPE}: needed, 'sources' 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 # remove me when all distris support this:
    16 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    17 then
    18 KERNEL_ARCH_EXTENSION="-${ARCH}"
    19 else
    20 KERNEL_ARCH_EXTENSION=""
    21 fi
    22
    23 # some sane defaults
    24 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    25 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    26
    27 : ${SRC_URI=(
    28 http://www.kernel.org/pub/linux/kernel/v${PVER:0:3}/${SRCFILE}
    29 mirror://kernel26-${BRANCH}/${SRCFILE}
    30 mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    31 mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    32 )}
    33
    34 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    35 >= sys-fs/udev-115
    36 >= sys-apps/hotplug-20040401
    37 >= sys-apps/mkinitrd-5.0.8
    38 >= sys-apps/initscripts-0.4.3"}
    39
    40 : ${PROVIDE="virtual/kernel"}
    41
    42 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    43 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    44
    45 # special vars for mage file only
    46 KPVER="${PVER}"
    47 KPBUILD="${PBUILD}"
    48 KBRANCH="${BRANCH}"
    49 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    50
    51 kernel26_src_prepare()
    52 {
    53 munpack ${SRCFILE} || die
    54 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    55
    56 # fix permissions
    57 chown -R 0:0 ${SRCDIR} || die
    58 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    59
    60 cd ${SRCDIR}
    61
    62 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    63 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    64 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    65 }
    66
    67 kernel26_src_compile()
    68 {
    69 cd ${SRCDIR}
    70
    71 make mrproper || die
    72
    73 # inject our kernel config
    74 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    75 make oldconfig || die
    76
    77 case ${KERNEL_TYPE} in
    78 image)
    79 mmake ARCH=${ARCH/i*86/x86} || die
    80 ;;
    81
    82 sources)
    83 make clean || die
    84
    85 # needed to compile other programs like iptables
    86 make ARCH=${ARCH/i*86/x86} prepare || die
    87 # needed to cover >=2.6.14 builds
    88 # but deprecated with >=2.6.21, prepare cover all targets there
    89 [[ $(echo ${PVER} | sed "s:\.::g") < 2621 ]] && { make ARCH=${ARCH/i*86/x86} prepare-all || die; }
    90 make ARCH=${ARCH/i*86/x86} scripts || die
    91
    92 # at least alsa-drivers needs this one ...
    93 touch include/linux/autoconf.h || die
    94 ;;
    95 esac
    96 }
    97
    98 kernel26_image_src_install()
    99 {
    100 cd ${SRCDIR}
    101
    102 # needed directories
    103 install -d ${BINDIR}/boot || die
    104
    105 # install modules
    106 make INSTALL_MOD_PATH=${BINDIR} modules_install || die
    107
    108 # install kernelimage
    109 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    110 then
    111 local my_arch="${ARCH}"
    112 [[ ${my_arch} = i*86 ]] && my_arch=i386
    113 install -m 0644 -o root -g root \
    114 arch/${my_arch}/boot/bzImage \
    115 ${BINDIR}/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    116 || die
    117 else
    118 install -m 0644 -o root -g root \
    119 ${KERNEL_IMAGE_PATH} \
    120 ${BINDIR}/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    121 || die
    122 fi
    123
    124 # install System.map
    125 install -m 0644 -o root -g root \
    126 System.map \
    127 ${BINDIR}/boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    128 || die
    129
    130 # install kernel description
    131 echo "
    132 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    133 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    134 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    135 KRNINITRD=
    136 " > ${BINDIR}/boot/kernelversion || die
    137
    138 # install kernel-config from srcdir
    139 install -m 0644 -o root -g root \
    140 .config \
    141 ${BINDIR}/boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    142 || die
    143
    144 # fix build symlink
    145 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    146 then
    147 echo "fixing build symlink"
    148 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    149 ln -snf /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    150 ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    151 || die
    152 fi
    153
    154 # and fixing source symlink
    155 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    156 then
    157 echo "fixing source symlink"
    158 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    159 ln -snf /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    160 ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    161 || die
    162 fi
    163 }
    164
    165 kernel26_sources_src_install()
    166 {
    167 cd ${BUILDDIR}
    168
    169 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    170 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    171
    172 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    173 install -d ${BINDIR}/usr/src || die
    174 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    175 }
    176
    177 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    178 # kernel26_external_modules_install path/to/SRCDIR DESTDIRNAME
    179 kernel26_external_modules_install()
    180 {
    181 cd ${BUILDDIR}
    182
    183 local modsrc="$1"
    184 local moddest="$2"
    185 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    186
    187 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    188 install -d ${moddir} || die
    189 mv ${modsrc} ${moddir}/${moddest} || die
    190 }
    191
    192 kernel26_external_modules_tarball()
    193 {
    194 cd ${BUILDDIR}
    195
    196 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    197 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    198 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    199
    200 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    201 install -d ${BINDIR}/usr/src || die
    202 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    203 }
    204
    205 kernel26_src_install()
    206 {
    207 case ${KERNEL_TYPE} in
    208 image)
    209 kernel26_image_src_install || die
    210 ;;
    211
    212 sources)
    213 kernel26_sources_src_install || die
    214 ;;
    215 esac
    216 }
    217
    218 kernel_major_version()
    219 {
    220 local ksrc="$@"
    221 local kv
    222
    223 if [[ -z ${ksrc} ]]
    224 then
    225 kv="$(uname -r|cut -d. -f1-2)"
    226 else
    227 local version
    228 local patchlevel
    229
    230 # get version from makefile
    231 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    232 # get patchlevel from makefile
    233 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    234 # kernelversion
    235 kv="${version}.${patchlevel}"
    236 fi
    237
    238 echo "${kv}"
    239 }
    240
    241 mod_suffix()
    242 {
    243 local ksrc="$@"
    244 local mod_suffix
    245
    246 if [[ $(kernel_major_version ${ksrc}) = 2.6 ]]
    247 then
    248 mod_suffix="ko"
    249 else
    250 mod_suffix="o"
    251 fi
    252
    253 echo ${mod_suffix}
    254 }
    255
    256 kernel26_image_preinstall()
    257 {
    258 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    259 then
    260 mount /boot &> /dev/null
    261 fi
    262 }
    263
    264 kernel26_image_preremove()
    265 {
    266 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    267 then
    268 mount /boot &> /dev/null
    269 fi
    270 }
    271
    272 kernel26_image_postinstall()
    273 {
    274 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    275
    276 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    277 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    278 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    279
    280 [ -x ${MROOT}/sbin/depmod ] &&
    281 ${MROOT}/sbin/depmod -ae \
    282 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    283 ${KPVER}-${KBRANCH}-${KPBUILD}
    284
    285 # do not run this if ${MROOT} is set !
    286 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    287 then
    288 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    289 fi
    290
    291 # symlink actual kernel to /boot/vmlinuz etc...
    292 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    293 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    294 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    295 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    296 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    297 }
    298
    299 kernel26_sources_postinstall()
    300 {
    301 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ]
    302 then
    303 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    304 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    305 fi
    306
    307 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    308 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    309 then
    310 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    311 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    312 fi
    313
    314 # if not exist create linux symlink
    315 if [ ! -h ${MROOT}/usr/src/linux ]
    316 then
    317 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    318 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    319 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    320 ${MROOT}/usr/src/linux || die
    321 fi
    322
    323 # if not exist create kernel-modules symlink
    324 if [ ! -h ${MROOT}/usr/src/kernel-modules ]
    325 then
    326 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    327 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    328 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    329 ${MROOT}/usr/src/kernel-modules || die
    330 fi
    331 }
    332
    333 export_inherits kernel26 src_prepare src_compile src_install
    334
    335 # export pre/postinstall functions depending on KERNEL_TYPE
    336 case ${KERNEL_TYPE} in
    337 image)
    338 export_inherits kernel26_image preinstall preremove postinstall
    339 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_image_preinstall kernel26_image_preremove kernel26_image_postinstall"
    340 ;;
    341 sources)
    342 export_inherits kernel26_sources postinstall
    343 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_sources_postinstall"
    344 ;;
    345 esac