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    Contents of /trunk/include/kernel.sminc

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    Revision 20887 - (show annotations) (download)
    Wed Feb 12 09:36:45 2014 UTC (10 years, 2 months ago) by niro
    File size: 14681 byte(s) 
    -using xz tarball as default and included UP2DATE uris
    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 # ${COMPRESS_MODULES}: compresses the kernel modules with given compressor (gzip|bzip2|xz)
    15 # ${LINUX_FIRMWARE}: remove included firmware bits if requested
    16 # set the version here like USE_LINUX_FIRMARE="20110605"
    17 # version "internal" keeps the bits too
    18 #
    19 # ${INCLUDE_KERNELVERSION_FILE}: creates a /boot/kernelversion file (deprecated)
    20 # ${USE_KERNEL_SYMLINKS}: creates symlinks to unversioned kernel image files
    21 # - kernel-x.x.x.x -> /boot/vmlinuz
    22 # - initrd-x.x.x.x -> /boot/initrd
    23 # - config-x.x.x.x -> /boot/config
    24 # - System.map-x.x.x.x -> /boot/System.map
    25
    26 sminclude mtools
    27
    28 # remove me when all distris support this:
    29 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    30 then
    31 KERNEL_ARCH_EXTENSION="-${ARCH}"
    32 else
    33 KERNEL_ARCH_EXTENSION=""
    34 fi
    35
    36 if [[ ! -z ${COMPRESS_MODULES} ]]
    37 then
    38 case ${COMPRESS_MODULES} in
    39 gzip)
    40 COMPRESS_MODULES_CMD="gzip -9v"
    41 SDEPEND="${SDEPEND}
    42 >= app-arch/gzip-1.4"
    43 ;;
    44 bzip2)
    45 COMPRESS_MODULES_CMD="bzip2 -9v"
    46 SDEPEND="${SDEPEND}
    47 >= app-arch/bzip2-1.0.6"
    48 ;;
    49 xz)
    50 COMPRESS_MODULES_CMD="xz -9v"
    51 SDEPEND="${SDEPEND}
    52 >= app-arch/xz-5"
    53 ;;
    54 none)
    55 echo "Disabled compressed kernel-modules!"
    56 COMPRESS_MODULES_CMD=""
    57 ;;
    58 *) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
    59 esac
    60 fi
    61
    62 # some sane defaults
    63 : ${PCAT="sys-kernel"}
    64 : ${HOMEPAGE="http://magellan-linux.de/"}
    65 : ${TARBALLPVER="${PVER}"}
    66 : ${SRCFILE="linux-${TARBALLPVER}.tar.xz"}
    67 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    68
    69 if [[ -z ${SRC_URI[*]} ]]
    70 then
    71 SRC_URI=(
    72 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    73 http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    74 mirror://kernel-${BRANCH}/${SRCFILE}
    75 )
    76 case ${KERNEL_TYPE} in
    77 image|sources)
    78 SRC_URI=(
    79 ${SRC_URI[*]}
    80 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    81 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    82 )
    83 ;;
    84 esac
    85 fi
    86
    87 case ${PNAME} in
    88 *-lts) _upparam="longterm" ;;
    89 *) _upparam="stable" ;;
    90 esac
    91
    92 UP2DATE="updatecmd http://www.kernel.org/ | grep -A1 -i '${_upparam}:' | sed 's/.*:\ \([0-9]\.[0-9].*\)\ [0-9].*/\1/;q'"
    93
    94 case ${KERNEL_TYPE} in
    95 image)
    96 : ${PROVIDE="virtual/kernel"}
    97 : ${DEPEND=">= virtual/module-tools
    98 >= sys-fs/udev-115
    99 >= virtual/initramfs-tools
    100 >= virtual/initscripts"}
    101 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    102 then
    103 DEPEND="${DEPEND}
    104 >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    105 fi
    106 SDEPEND="${SDEPEND}
    107 >= sys-dev/bc-1.06"
    108 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    109 ;;
    110
    111 sources)
    112 : ${PROVIDE="virtual/kernel-sources"}
    113 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    114 ;;
    115
    116 headers)
    117 : ${PROVIDE="virtual/kernel-headers"}
    118 : ${DESCRIPTION="Sanitized kernel headers for libc."}
    119 ;;
    120 esac
    121
    122 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    123 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    124
    125 # special vars for mage file only
    126 KPVER="${PVER}"
    127 KPBUILD="${PBUILD}"
    128 KBRANCH="${BRANCH}"
    129 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH USE_KERNEL_SYMLINKS"
    130
    131 # dummy function to apply kernel patches
    132 kernel_apply_patches()
    133 {
    134 return 0
    135 }
    136
    137 kernel_src_prepare()
    138 {
    139 munpack ${SRCFILE} || die
    140 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
    141
    142 # fix permissions
    143 chown -R 0:0 ${SRCDIR} || die
    144 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    145
    146 cd ${SRCDIR}
    147 kernel_apply_patches || die
    148
    149 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    150 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    151 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    152
    153 # fix sublevel version with 3.x kernels and higher
    154 local kver=$(echo ${PVER} | sed "s:\.::g")
    155 if [[ ${PVER%%.*} -gt 2 ]]
    156 then
    157 local sublevel="$(echo ${PVER} | cut -d. -f3)"
    158 sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
    159 fi
    160 }
    161
    162 kernel_src_compile()
    163 {
    164 cd ${SRCDIR}
    165
    166 make mrproper || die
    167
    168 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    169 then
    170 # inject our kernel config
    171 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    172 make ARCH=${ARCH/i*86/x86} oldconfig || die
    173 fi
    174
    175 case ${KERNEL_TYPE} in
    176 image)
    177 mmake ARCH=${ARCH/i*86/x86} || die
    178 ;;
    179
    180 headers)
    181 make ARCH=${ARCH/i*86/x86} headers_check || die
    182 ;;
    183
    184 sources)
    185 make clean || die
    186
    187 # needed to compile other programs like iptables
    188 make ARCH=${ARCH/i*86/x86} prepare || die
    189 # needed to cover >=2.6.14 builds
    190 # but deprecated with >=2.6.21, prepare cover all targets there
    191 local kver=$(echo ${PVER} | sed "s:\.::g")
    192 # honor >=3.0.x; add one zero
    193 if [[ ${PVER%%.*} -gt 2 ]]
    194 then
    195 kver="${kver}0"
    196 fi
    197 if [[ ${kver} < 2621 ]]
    198 then
    199 make ARCH=${ARCH/i*86/x86} prepare-all || die
    200 fi
    201 make ARCH=${ARCH/i*86/x86} scripts || die
    202
    203 # at least alsa-drivers needs this one ...
    204 touch include/linux/autoconf.h || die
    205
    206 # compat symlink for 3.7.x new version.h location until everything is fixed
    207 ;;
    208 esac
    209 }
    210
    211 kernel_image_src_install()
    212 {
    213 cd ${SRCDIR}
    214
    215 # needed directories
    216 minstalldir /boot || die
    217
    218 # install modules
    219 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die
    220
    221 # install kernelimage
    222 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    223 then
    224 local my_arch="${ARCH}"
    225 [[ ${my_arch} = i*86 ]] && my_arch=i386
    226 minstallfile arch/${my_arch}/boot/bzImage \
    227 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    228 || die
    229 else
    230 minstallfile ${KERNEL_IMAGE_PATH} \
    231 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    232 || die
    233 fi
    234
    235 # install System.map
    236 minstallfile System.map \
    237 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    238 || die
    239
    240 # install Module.symvers in boot and /usr/src
    241 minstallfile Module.symvers \
    242 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    243 || die
    244 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    245 minstallfile Module.symvers \
    246 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    247 || die
    248
    249 if [[ ${INCLUDE_KERNELVERSION_FILE} = true ]]
    250 then
    251 MCONFIG=/boot/kernelversion
    252 # install kernel description
    253 mclearconfig || die
    254 maddconfig "KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    255 maddconfig "KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    256 maddconfig "KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    257 maddconfig "KRNINITRD=" || die
    258 fi
    259
    260 # install kernel-config from srcdir
    261 minstallfile .config \
    262 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    263 || die
    264
    265 # fix build symlink
    266 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    267 then
    268 echo "fixing build symlink"
    269 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    270 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    271 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    272 || die
    273 fi
    274
    275 # and fixing source symlink
    276 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    277 then
    278 echo "fixing source symlink"
    279 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    280 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    281 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    282 || die
    283 fi
    284
    285 # remove firmware bits if $LINUX_FIRMWARE was set
    286 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    287 then
    288 if [[ -d ${BINDIR}/usr/lib/firmware ]]
    289 then
    290 rm -rv ${BINDIR}/usr/lib/firmware
    291 fi
    292 fi
    293
    294 # compress modules if COMPRESS_MODULES_CMD was set
    295 if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    296 then
    297 # compress all kernel modules
    298 find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    299 fi
    300 }
    301
    302 kernel_headers_src_install()
    303 {
    304 cd ${SRCDIR}
    305 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    306
    307 # clean-up unnecessary files
    308 find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
    309 }
    310
    311 kernel_sources_src_install()
    312 {
    313 cd ${BUILDDIR}
    314
    315 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    316 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    317
    318 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    319 minstalldir /usr/src || die
    320 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    321 }
    322
    323 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    324 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    325 kernel_external_modules_install()
    326 {
    327 cd ${BUILDDIR}
    328
    329 local modsrc="$1"
    330 local moddest="$2"
    331 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    332
    333 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    334 install -d ${moddir} || die
    335 mv ${modsrc} ${moddir}/${moddest} || die
    336 }
    337
    338 kernel_external_modules_tarball()
    339 {
    340 cd ${BUILDDIR}
    341
    342 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    343 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    344 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    345
    346 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    347 minstalldir /usr/src || die
    348 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    349 }
    350
    351 kernel_src_install()
    352 {
    353 case ${KERNEL_TYPE} in
    354 image)
    355 kernel_image_src_install || die
    356 ;;
    357
    358 headers)
    359 kernel_headers_src_install || die
    360 ;;
    361
    362 sources)
    363 kernel_sources_src_install || die
    364 ;;
    365 esac
    366 }
    367
    368 kernel_major_version()
    369 {
    370 local ksrc="$@"
    371 local kv
    372
    373 if [[ -z ${ksrc} ]]
    374 then
    375 kv="$(uname -r|cut -d. -f1-2)"
    376 else
    377 local version
    378 local patchlevel
    379
    380 # get version from makefile
    381 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    382 # get patchlevel from makefile
    383 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    384 # kernelversion
    385 kv="${version}.${patchlevel}"
    386 fi
    387
    388 echo "${kv}"
    389 }
    390
    391 mod_suffix()
    392 {
    393 local ksrc="$@"
    394 local mod_suffix
    395 local kmv
    396
    397 kmv=$(kernel_major_version ${ksrc})
    398 if [[ ${kmv//.} -ge 26 ]]
    399 then
    400 mod_suffix="ko"
    401 else
    402 mod_suffix="o"
    403 fi
    404
    405 echo ${mod_suffix}
    406 }
    407
    408 kernel_image_preinstall()
    409 {
    410 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    411 then
    412 mount /boot &> /dev/null
    413 fi
    414 }
    415
    416 kernel_image_preremove()
    417 {
    418 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    419 then
    420 mount /boot &> /dev/null
    421
    422 # remove old image entry from grub
    423 new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    424 fi
    425 }
    426
    427 kernel_image_postinstall()
    428 {
    429 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    430
    431 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    432 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    433 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    434
    435 [ -x ${MROOT}/sbin/depmod ] &&
    436 ${MROOT}/sbin/depmod -ae \
    437 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    438 ${KPVER}-${KBRANCH}-${KPBUILD}
    439
    440 # do not run this if ${MROOT} is set !
    441 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    442 then
    443 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    444 fi
    445
    446 if [[ ${USE_KERNEL_SYMLINKS} = true ]]
    447 then
    448 # symlink actual kernel to /boot/vmlinuz etc...
    449 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    450 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    451 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    452 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    453 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    454 fi
    455 }
    456
    457 kernel_sources_postinstall()
    458 {
    459 # check for linux-VERSION/include as the kernel-image installs
    460 # the file Modules.symver in the linux-VERSION directory
    461 if mqueryfeature "kernelsrcunpack" &&
    462 [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    463 then
    464 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    465 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    466 fi
    467
    468 if mqueryfeature "kernelsrcunpack" &&
    469 [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    470 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    471 then
    472 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    473 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    474 fi
    475
    476 # create linux symlink
    477 if mqueryfeature "linuxsymlink"
    478 then
    479 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    480 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    481 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    482 ${MROOT}/usr/src/linux || die
    483 fi
    484
    485 # create kernel-modules symlink
    486 if mqueryfeature "linuxsymlink" &&
    487 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    488 then
    489 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    490 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    491 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    492 ${MROOT}/usr/src/kernel-modules || die
    493 fi
    494 }
    495
    496 export_inherits kernel src_prepare src_compile src_install
    497
    498 # export pre/postinstall functions depending on KERNEL_TYPE
    499 case ${KERNEL_TYPE} in
    500 image)
    501 export_inherits kernel_image preinstall preremove postinstall
    502 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall"
    503 ;;
    504 sources)
    505 export_inherits kernel_sources postinstall
    506 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    507 ;;
    508 esac