# Maintainer: Natanael Copa _mainflavor=rpi pkgname=linux-$_mainflavor pkgver=3.18.12 case $pkgver in *.*.*) _kernver=${pkgver%.*};; *.*) _kernver=${pkgver};; esac pkgrel=0 pkgdesc="Linux kernel with Raspberry Pi patches" url=https://github.com/raspberrypi/linux depends="mkinitfs linux-firmware" makedepends="perl installkernel bash gmp-dev bc" options="!strip" install= source="http://ftp.kernel.org/pub/linux/kernel/v3.x/linux-$_kernver.tar.xz http://ftp.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.xz http://dev.alpinelinux.org/~tteras/linux-3.18.y-rpi-20150420.patch aslr-pie.patch config-rpi.armhf config-rpi2.armhf markdt " subpackages="$pkgname-dev" _flavors= for _i in $source; do case $_i in config-*.$CARCH) _f=${_i%.$CARCH} _f=${_f#config-} _flavors="$_flavors ${_f}" if [ "linux-$_f" != "$pkgname" ]; then subpackages="$subpackages linux-${_f}" fi ;; esac done arch="armhf" license="GPL-2" prepare() { local _patch_failed= cd "$srcdir"/linux-$_kernver if [ "${pkgver%.0}" = "$pkgver" ]; then msg "Applying patch-$pkgver.xz" unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N || return 1 fi # first apply patches in specified order for i in $source; do case $i in *.patch) msg "Applying $i..." if ! patch -s -p1 -N -i "$srcdir"/${i##*/}; then echo $i >>failed _patch_failed=1 fi ;; esac done if ! [ -z "$_patch_failed" ]; then error "The following patches failed:" cat failed return 1 fi # remove localversion from patch if any rm -f localversion* for i in $_flavors; do local _config=config-$i.${CARCH} local _builddir="$srcdir"/build-$i mkdir -p "$_builddir" echo "-$pkgrel-$i" > "$srcdir"/build-$i/localversion-alpine \ || return 1 cp "$srcdir"/$_config "$_builddir"/.config || return 1 make -C "$srcdir"/linux-$_kernver \ O="$_builddir" \ HOSTCC="${CC:-gcc}" \ silentoldconfig || return 1 done } build() { export GCC_SPECS=hardenednopie.specs for i in $_flavors; do cd "$srcdir"/build-$i make CC="${CC:-gcc}" \ KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine" \ || return 1 done } _package() { local _buildflavor="$1" _outdir="$2" local _abi_release=${pkgver}-${pkgrel}-${_buildflavor} cd "$srcdir"/build-$_buildflavor || return 1 mkdir -p "$_outdir"/boot "$_outdir"/lib/modules local _install case "$CARCH" in arm*) local _dtbdir="$_outdir"/usr/lib/linux-${_abi_release} mkdir -p "$_dtbdir" "$_dtbdir"/overlays for i in arch/arm/boot/dts/*.dtb ; do case "$i" in *-overlay.dtb) install -m644 "$i" "$_dtbdir/overlays" ;; *.dtb) install -m644 "$i" "$_dtbdir" ;; esac done _install=zinstall ;; *) _install=install ;; esac make -j1 modules_install firmware_install $_install \ INSTALL_MOD_PATH="$_outdir" \ INSTALL_PATH="$_outdir"/boot \ || return 1 # tell rpi bootloader we are device tree capable "$srcdir"/markdt "$_outdir"/boot/vmlinuz-$_buildflavor \ || return 1 rm -f "$_outdir"/lib/modules/${_abi_release}/build \ "$_outdir"/lib/modules/${_abi_release}/source rm -rf "$_outdir"/lib/firmware install -D include/config/kernel.release \ "$_outdir"/usr/share/kernel/$_buildflavor/kernel.release } # main flavor installs in $pkgdir package() { _package rpi "$pkgdir" } # subflavors install in $subpkgdir rpi2() { _package rpi2 "$subpkgdir" } # we only provide -dev for main flavor for now dev() { local _abi_release=${pkgver}-${pkgrel}-$_mainflavor # copy the only the parts that we really need for build 3rd party # kernel modules and install those as /usr/src/linux-headers, # simlar to what ubuntu does # # this way you dont need to install the 300-400 kernel sources to # build a tiny kernel module # pkgdesc="Headers and script for third party modules for grsec kernel" depends="gmp-dev bash" local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release} # first we import config, run prepare to set up for building # external modules, and create the scripts mkdir -p "$dir" cp "$srcdir"/config-$_mainflavor.${CARCH} "$dir"/.config make -j1 -C "$srcdir"/linux-$_kernver O="$dir" HOSTCC="${CC:-gcc}" \ silentoldconfig prepare modules_prepare scripts # remove the stuff that poits to real sources. we want 3rd party # modules to believe this is the soruces rm "$dir"/Makefile "$dir"/source # copy the needed stuff from real sources # # this is taken from ubuntu kernel build script # http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-jaunty.git;a=blob;f=debian/rules.d/3-binary-indep.mk;hb=HEAD cd "$srcdir"/linux-$_kernver find . -path './include/*' -prune -o -path './scripts/*' -prune \ -o -type f \( -name 'Makefile*' -o -name 'Kconfig*' \ -o -name 'Kbuild*' -o -name '*.sh' -o -name '*.pl' \ -o -name '*.lds' \) | cpio -pdm "$dir" cp -a drivers/media/dvb/dvb-core/*.h "$dir"/drivers/media/dvb/dvb-core cp -a drivers/media/video/*.h "$dir"/drivers/media/video cp -a drivers/media/dvb/frontends/*.h "$dir"/drivers/media/dvb/frontends cp -a scripts include "$dir" find $(find arch -name include -type d -print) -type f \ | cpio -pdm "$dir" install -Dm644 "$srcdir"/build-$_mainflavor/Module.symvers \ "$dir"/Module.symvers mkdir -p "$subpkgdir"/lib/modules/${_abi_release} ln -sf /usr/src/linux-headers-${_abi_release} \ "$subpkgdir"/lib/modules/${_abi_release}/build } md5sums="9e854df51ca3fef8bfe566dbd7b89241 linux-3.18.tar.xz 84d1fb9f072df226e920f6a0a3e7d10a patch-3.18.12.xz 5b6f84850feedc7d6f84120f693f751d linux-3.18.y-rpi-20150420.patch f901100a661ec62aac12000872d0276c aslr-pie.patch 6a62fbc4673397b2bdec224fa545e3d6 config-rpi.armhf 364f132269304e5effd94473e4012488 config-rpi2.armhf 1f3dda659442fa7e2afc62bffeceb129 markdt" sha256sums="becc413cc9e6d7f5cc52a3ce66d65c3725bc1d1cc1001f4ce6c32b69eb188cbd linux-3.18.tar.xz 53245c0a5b172575867afe88c91fc46468ae06ed7bf4fa6d2150072e27f7209e patch-3.18.12.xz 9ffda4b8cf2f144de565c7b38fd37ab72ec463c82d972f7bc7aea221810c2ef6 linux-3.18.y-rpi-20150420.patch 07e9b089c0d5d57e91256ff6e8fe373519c8bd4ae4cba4eb4a2edad3e2cc9a8e aslr-pie.patch 69c075126c8de0ceb07d1f3669958cd8df02a9963304615059ec455b6bd92253 config-rpi.armhf 36ab7dd794a66e4fc743b6b2d45f94424ba748a62be5b5d8fbe11a0aa158cfbd config-rpi2.armhf 289a7509bc294295b65680c7fff0b2ec07cf359ea8a57cef00267396885f9b54 markdt" sha512sums="2f0b72466e9bc538a675738aa416573d41bbbd7e3e2ffd5b5b127afde609ebc278cec5a3c37e73479607e957c13f1b4ed9782a3795e0dcc2cf8e550228594009 linux-3.18.tar.xz 285322919b8638d821414bb494709008710ac55c0bc33d477b28013d51e9791a8487e9671cfdaaf0fa937fab119f40180c4577caac95263d1bb0c6e821069908 patch-3.18.12.xz c55434312a1ee155f424a1df9ec049ce92319a4ff84ab42d806748a24131c8a17c522a51fa4d227c1abee804c39ecddb32e552f88a71e04350ca9c67b9ed9f53 linux-3.18.y-rpi-20150420.patch 35055eea7fce660a200cf6f56490a88f1601b4ea95d2364191ad0d890633e8811f2753b5816dad9640384a764b147a4a80b95f39e3bd7a66a15fd5b3ec0c794a aslr-pie.patch ab0209e5ab5a050fd44f2b7b628bac6b94ef9e3ce6f171c147f4b90b67c7dbddc029fd84a35130108b9fb669453190b252818df53dd253bcf29c647ce7c34ef7 config-rpi.armhf 5d489ff5d362b09f263ed52b3081a254d47835738f985bbcf6c09ebdbd06428410d344a493cce1d42693560dba03ed58d473ba856dce679dc8412a403d7645c2 config-rpi2.armhf 89601aa0e4f77fb07fb1d58c6a9394c8683bc7dfc905ca6612d607ef4188637662d295fa3d5640e3e0a4cd08c98c10511a4f3cea41e7568167b12d0a6c813e8b markdt"