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    Contents of /branches/R11-unstable/include/kernel.sminc

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    Revision 24893 - (show annotations) (download)
    Tue Nov 25 02:21:44 2014 UTC (9 years, 5 months ago) by niro
    File size: 14711 byte(s) 
    -release R11-unstable
    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 >= sys-apps/grubby-8.29-r1
    100 >= virtual/initramfs-tools
    101 >= virtual/initscripts"}
    102 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    103 then
    104 DEPEND="${DEPEND}
    105 >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    106 fi
    107 SDEPEND="${SDEPEND}
    108 >= sys-dev/bc-1.06"
    109 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    110 ;;
    111
    112 sources)
    113 : ${PROVIDE="virtual/kernel-sources"}
    114 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    115 ;;
    116
    117 headers)
    118 : ${PROVIDE="virtual/kernel-headers"}
    119 : ${DESCRIPTION="Sanitized kernel headers for libc."}
    120 ;;
    121 esac
    122
    123 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    124 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    125
    126 # special vars for mage file only
    127 KPVER="${PVER}"
    128 KPBUILD="${PBUILD}"
    129 KBRANCH="${BRANCH}"
    130 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH USE_KERNEL_SYMLINKS"
    131
    132 # dummy function to apply kernel patches
    133 kernel_apply_patches()
    134 {
    135 return 0
    136 }
    137
    138 kernel_src_prepare()
    139 {
    140 munpack ${SRCFILE} || die
    141 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
    142
    143 # fix permissions
    144 chown -R 0:0 ${SRCDIR} || die
    145 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    146
    147 cd ${SRCDIR}
    148 kernel_apply_patches || die
    149
    150 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    151 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    152 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    153
    154 # fix sublevel version with 3.x kernels and higher
    155 local kver=$(echo ${PVER} | sed "s:\.::g")
    156 if [[ ${PVER%%.*} -gt 2 ]]
    157 then
    158 local sublevel="$(echo ${PVER} | cut -d. -f3)"
    159 sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
    160 fi
    161 }
    162
    163 kernel_src_compile()
    164 {
    165 cd ${SRCDIR}
    166
    167 make mrproper || die
    168
    169 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    170 then
    171 # inject our kernel config
    172 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    173 make ARCH=${ARCH/i*86/x86} oldconfig || die
    174 fi
    175
    176 case ${KERNEL_TYPE} in
    177 image)
    178 mmake ARCH=${ARCH/i*86/x86} || die
    179 ;;
    180
    181 headers)
    182 make ARCH=${ARCH/i*86/x86} headers_check || die
    183 ;;
    184
    185 sources)
    186 make clean || die
    187
    188 # needed to compile other programs like iptables
    189 make ARCH=${ARCH/i*86/x86} prepare || die
    190 # needed to cover >=2.6.14 builds
    191 # but deprecated with >=2.6.21, prepare cover all targets there
    192 local kver=$(echo ${PVER} | sed "s:\.::g")
    193 # honor >=3.0.x; add one zero
    194 if [[ ${PVER%%.*} -gt 2 ]]
    195 then
    196 kver="${kver}0"
    197 fi
    198 if [[ ${kver} < 2621 ]]
    199 then
    200 make ARCH=${ARCH/i*86/x86} prepare-all || die
    201 fi
    202 make ARCH=${ARCH/i*86/x86} scripts || die
    203
    204 # at least alsa-drivers needs this one ...
    205 touch include/linux/autoconf.h || die
    206
    207 # compat symlink for 3.7.x new version.h location until everything is fixed
    208 ;;
    209 esac
    210 }
    211
    212 kernel_image_src_install()
    213 {
    214 cd ${SRCDIR}
    215
    216 # needed directories
    217 minstalldir /boot || die
    218
    219 # install modules
    220 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die
    221
    222 # install kernelimage
    223 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    224 then
    225 local my_arch="${ARCH}"
    226 [[ ${my_arch} = i*86 ]] && my_arch=i386
    227 minstallfile arch/${my_arch}/boot/bzImage \
    228 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    229 || die
    230 else
    231 minstallfile ${KERNEL_IMAGE_PATH} \
    232 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    233 || die
    234 fi
    235
    236 # install System.map
    237 minstallfile System.map \
    238 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    239 || die
    240
    241 # install Module.symvers in boot and /usr/src
    242 minstallfile Module.symvers \
    243 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    244 || die
    245 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    246 minstallfile Module.symvers \
    247 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    248 || die
    249
    250 if [[ ${INCLUDE_KERNELVERSION_FILE} = true ]]
    251 then
    252 MCONFIG=/boot/kernelversion
    253 # install kernel description
    254 mclearconfig || die
    255 maddconfig "KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    256 maddconfig "KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    257 maddconfig "KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    258 maddconfig "KRNINITRD=" || die
    259 fi
    260
    261 # install kernel-config from srcdir
    262 minstallfile .config \
    263 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    264 || die
    265
    266 # fix build symlink
    267 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    268 then
    269 echo "fixing build symlink"
    270 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    271 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    272 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    273 || die
    274 fi
    275
    276 # and fixing source symlink
    277 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    278 then
    279 echo "fixing source symlink"
    280 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    281 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    282 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    283 || die
    284 fi
    285
    286 # remove firmware bits if $LINUX_FIRMWARE was set
    287 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    288 then
    289 if [[ -d ${BINDIR}/usr/lib/firmware ]]
    290 then
    291 rm -rv ${BINDIR}/usr/lib/firmware
    292 fi
    293 fi
    294
    295 # compress modules if COMPRESS_MODULES_CMD was set
    296 if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    297 then
    298 # compress all kernel modules
    299 find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    300 fi
    301 }
    302
    303 kernel_headers_src_install()
    304 {
    305 cd ${SRCDIR}
    306 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    307
    308 # clean-up unnecessary files
    309 find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
    310 }
    311
    312 kernel_sources_src_install()
    313 {
    314 cd ${BUILDDIR}
    315
    316 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    317 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    318
    319 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    320 minstalldir /usr/src || die
    321 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    322 }
    323
    324 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    325 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    326 kernel_external_modules_install()
    327 {
    328 cd ${BUILDDIR}
    329
    330 local modsrc="$1"
    331 local moddest="$2"
    332 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    333
    334 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    335 install -d ${moddir} || die
    336 mv ${modsrc} ${moddir}/${moddest} || die
    337 }
    338
    339 kernel_external_modules_tarball()
    340 {
    341 cd ${BUILDDIR}
    342
    343 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    344 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    345 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    346
    347 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    348 minstalldir /usr/src || die
    349 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    350 }
    351
    352 kernel_src_install()
    353 {
    354 case ${KERNEL_TYPE} in
    355 image)
    356 kernel_image_src_install || die
    357 ;;
    358
    359 headers)
    360 kernel_headers_src_install || die
    361 ;;
    362
    363 sources)
    364 kernel_sources_src_install || die
    365 ;;
    366 esac
    367 }
    368
    369 kernel_major_version()
    370 {
    371 local ksrc="$@"
    372 local kv
    373
    374 if [[ -z ${ksrc} ]]
    375 then
    376 kv="$(uname -r|cut -d. -f1-2)"
    377 else
    378 local version
    379 local patchlevel
    380
    381 # get version from makefile
    382 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    383 # get patchlevel from makefile
    384 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    385 # kernelversion
    386 kv="${version}.${patchlevel}"
    387 fi
    388
    389 echo "${kv}"
    390 }
    391
    392 mod_suffix()
    393 {
    394 local ksrc="$@"
    395 local mod_suffix
    396 local kmv
    397
    398 kmv=$(kernel_major_version ${ksrc})
    399 if [[ ${kmv//.} -ge 26 ]]
    400 then
    401 mod_suffix="ko"
    402 else
    403 mod_suffix="o"
    404 fi
    405
    406 echo ${mod_suffix}
    407 }
    408
    409 kernel_image_preinstall()
    410 {
    411 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    412 then
    413 mount /boot &> /dev/null
    414 fi
    415 }
    416
    417 kernel_image_preremove()
    418 {
    419 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    420 then
    421 mount /boot &> /dev/null
    422
    423 # remove old image entry from grub
    424 new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    425 fi
    426 }
    427
    428 kernel_image_postinstall()
    429 {
    430 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    431
    432 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    433 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    434 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    435
    436 [ -x ${MROOT}/sbin/depmod ] &&
    437 ${MROOT}/sbin/depmod -ae \
    438 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    439 ${KPVER}-${KBRANCH}-${KPBUILD}
    440
    441 # do not run this if ${MROOT} is set !
    442 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    443 then
    444 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    445 fi
    446
    447 if [[ ${USE_KERNEL_SYMLINKS} = true ]]
    448 then
    449 # symlink actual kernel to /boot/vmlinuz etc...
    450 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    451 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    452 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    453 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    454 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    455 fi
    456 }
    457
    458 kernel_sources_postinstall()
    459 {
    460 # check for linux-VERSION/include as the kernel-image installs
    461 # the file Modules.symver in the linux-VERSION directory
    462 if mqueryfeature "kernelsrcunpack" &&
    463 [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    464 then
    465 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    466 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    467 fi
    468
    469 if mqueryfeature "kernelsrcunpack" &&
    470 [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    471 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    472 then
    473 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    474 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    475 fi
    476
    477 # create linux symlink
    478 if mqueryfeature "linuxsymlink"
    479 then
    480 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    481 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    482 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    483 ${MROOT}/usr/src/linux || die
    484 fi
    485
    486 # create kernel-modules symlink
    487 if mqueryfeature "linuxsymlink" &&
    488 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    489 then
    490 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    491 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    492 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    493 ${MROOT}/usr/src/kernel-modules || die
    494 fi
    495 }
    496
    497 export_inherits kernel src_prepare src_compile src_install
    498
    499 # export pre/postinstall functions depending on KERNEL_TYPE
    500 case ${KERNEL_TYPE} in
    501 image)
    502 export_inherits kernel_image preinstall preremove postinstall
    503 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall"
    504 ;;
    505 sources)
    506 export_inherits kernel_sources postinstall
    507 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    508 ;;
    509 esac