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

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    Revision 1935 - (show annotations) (download)
    Wed Jun 10 17:03:29 2009 UTC (14 years, 11 months ago) by niro
    File size: 10059 byte(s) 
    -modernize
    1 # kernel26 global smage functions
    2 # $Id$
    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 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 : ${SRC_URI=(
    30 http://www.kernel.org/pub/linux/kernel/v${PVER:0:3}/${SRCFILE}
    31 mirror://kernel26-${BRANCH}/${SRCFILE}
    32 mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    33 mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    34 )}
    35
    36 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    37 >= sys-fs/udev-115
    38 >= sys-apps/mkinitrd-5.0.8
    39 >= sys-apps/initscripts-0.4.3"}
    40
    41 : ${PROVIDE="virtual/kernel"}
    42
    43 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    44 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    45
    46 # special vars for mage file only
    47 KPVER="${PVER}"
    48 KPBUILD="${PBUILD}"
    49 KBRANCH="${BRANCH}"
    50 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    51
    52 kernel26_src_prepare()
    53 {
    54 munpack ${SRCFILE} || die
    55 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    56
    57 # fix permissions
    58 chown -R 0:0 ${SRCDIR} || die
    59 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    60
    61 cd ${SRCDIR}
    62
    63 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    64 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    65 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    66 }
    67
    68 kernel26_src_compile()
    69 {
    70 cd ${SRCDIR}
    71
    72 make mrproper || die
    73
    74 # inject our kernel config
    75 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    76 make ARCH=${ARCH/i*86/x86} oldconfig || die
    77
    78 case ${KERNEL_TYPE} in
    79 image)
    80 mmake ARCH=${ARCH/i*86/x86} || die
    81 ;;
    82
    83 sources)
    84 make clean || die
    85
    86 # needed to compile other programs like iptables
    87 make ARCH=${ARCH/i*86/x86} prepare || die
    88 # needed to cover >=2.6.14 builds
    89 # but deprecated with >=2.6.21, prepare cover all targets there
    90 [[ $(echo ${PVER} | sed "s:\.::g") < 2621 ]] && { make ARCH=${ARCH/i*86/x86} prepare-all || die; }
    91 make ARCH=${ARCH/i*86/x86} scripts || die
    92
    93 # at least alsa-drivers needs this one ...
    94 touch include/linux/autoconf.h || die
    95 ;;
    96 esac
    97 }
    98
    99 kernel26_image_src_install()
    100 {
    101 cd ${SRCDIR}
    102
    103 # needed directories
    104 minstalldir /boot || die
    105
    106 # install modules
    107 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    108
    109 # install kernelimage
    110 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    111 then
    112 local my_arch="${ARCH}"
    113 [[ ${my_arch} = i*86 ]] && my_arch=i386
    114 minstallfile arch/${my_arch}/boot/bzImage \
    115 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    116 || die
    117 else
    118 minstallfile ${KERNEL_IMAGE_PATH} \
    119 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    120 || die
    121 fi
    122
    123 # install System.map
    124 minstallfile System.map \
    125 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    126 || die
    127
    128 # install kernel description
    129 echo "
    130 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    131 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    132 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    133 KRNINITRD=
    134 " > ${BINDIR}/boot/kernelversion || die
    135
    136 # install kernel-config from srcdir
    137 minstallfile .config \
    138 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    139 || die
    140
    141 # fix build symlink
    142 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    143 then
    144 echo "fixing build symlink"
    145 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    146 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    147 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    148 || die
    149 fi
    150
    151 # and fixing source symlink
    152 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    153 then
    154 echo "fixing source symlink"
    155 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    156 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    157 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    158 || die
    159 fi
    160 }
    161
    162 kernel26_sources_src_install()
    163 {
    164 cd ${BUILDDIR}
    165
    166 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    167 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    168
    169 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    170 minstalldir /usr/src || die
    171 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    172 }
    173
    174 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    175 # kernel26_external_modules_install path/to/SRCDIR DESTDIRNAME
    176 kernel26_external_modules_install()
    177 {
    178 cd ${BUILDDIR}
    179
    180 local modsrc="$1"
    181 local moddest="$2"
    182 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    183
    184 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    185 install -d ${moddir} || die
    186 mv ${modsrc} ${moddir}/${moddest} || die
    187 }
    188
    189 kernel26_external_modules_tarball()
    190 {
    191 cd ${BUILDDIR}
    192
    193 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    194 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    195 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    196
    197 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    198 minstalldir /usr/src || die
    199 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    200 }
    201
    202 kernel26_src_install()
    203 {
    204 case ${KERNEL_TYPE} in
    205 image)
    206 kernel26_image_src_install || die
    207 ;;
    208
    209 sources)
    210 kernel26_sources_src_install || die
    211 ;;
    212 esac
    213 }
    214
    215 kernel_major_version()
    216 {
    217 local ksrc="$@"
    218 local kv
    219
    220 if [[ -z ${ksrc} ]]
    221 then
    222 kv="$(uname -r|cut -d. -f1-2)"
    223 else
    224 local version
    225 local patchlevel
    226
    227 # get version from makefile
    228 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    229 # get patchlevel from makefile
    230 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    231 # kernelversion
    232 kv="${version}.${patchlevel}"
    233 fi
    234
    235 echo "${kv}"
    236 }
    237
    238 mod_suffix()
    239 {
    240 local ksrc="$@"
    241 local mod_suffix
    242
    243 if [[ $(kernel_major_version ${ksrc}) = 2.6 ]]
    244 then
    245 mod_suffix="ko"
    246 else
    247 mod_suffix="o"
    248 fi
    249
    250 echo ${mod_suffix}
    251 }
    252
    253 kernel26_image_preinstall()
    254 {
    255 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    256 then
    257 mount /boot &> /dev/null
    258 fi
    259 }
    260
    261 kernel26_image_preremove()
    262 {
    263 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    264 then
    265 mount /boot &> /dev/null
    266 fi
    267 }
    268
    269 kernel26_image_postinstall()
    270 {
    271 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    272
    273 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    274 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    275 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    276
    277 [ -x ${MROOT}/sbin/depmod ] &&
    278 ${MROOT}/sbin/depmod -ae \
    279 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    280 ${KPVER}-${KBRANCH}-${KPBUILD}
    281
    282 # do not run this if ${MROOT} is set !
    283 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    284 then
    285 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    286 fi
    287
    288 # symlink actual kernel to /boot/vmlinuz etc...
    289 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    290 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    291 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    292 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    293 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    294 }
    295
    296 kernel26_sources_postinstall()
    297 {
    298 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ]
    299 then
    300 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    301 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    302 fi
    303
    304 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    305 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    306 then
    307 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    308 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    309 fi
    310
    311 # if not exist create linux symlink
    312 if [ ! -h ${MROOT}/usr/src/linux ]
    313 then
    314 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    315 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    316 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    317 ${MROOT}/usr/src/linux || die
    318 fi
    319
    320 # if not exist create kernel-modules symlink
    321 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    322 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    323 then
    324 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    325 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    326 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    327 ${MROOT}/usr/src/kernel-modules || die
    328 fi
    329 }
    330
    331 export_inherits kernel26 src_prepare src_compile src_install
    332
    333 # export pre/postinstall functions depending on KERNEL_TYPE
    334 case ${KERNEL_TYPE} in
    335 image)
    336 export_inherits kernel26_image preinstall preremove postinstall
    337 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_image_preinstall kernel26_image_preremove kernel26_image_postinstall"
    338 ;;
    339 sources)
    340 export_inherits kernel26_sources postinstall
    341 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_sources_postinstall"
    342 ;;
    343 esac