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# Arch64 kernel for BananaPi R64
# Maintainer: Eric Woudstra <ericwouds AT gmail DOT com>
# PKGBUILD: https://github.com/archlinuxarm/PKGBUILDs/tree/master/core/linux-aarch64
pkgbase=linux-bpir64-git
_srcname=linux
_gitroot="https://git.kernel.org/pub/scm/linux/kernel/git/stable/${_srcname}"
_gitbranch="linux-rolling-stable"
_kernelname=${pkgbase#linux}
_desc="AArch64 kernel for BPI-R64 and BPI-R3"
_r3dts="https://github.com/torvalds/linux/raw/master/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts"
_r3dtsi="https://github.com/torvalds/linux/raw/master/arch/arm64/boot/dts/mediatek/mt7986a.dtsi"
#_lto="true" # Uncomment this line to enable CLANG-LTO
pkgver=6.2.2.bpi.r64.r3.1
pkgrel=2
arch=('aarch64')
url="http://www.kernel.org/"
license=('GPL2')
makedepends=('kmod' 'inetutils' 'bc' 'git')
[[ "$_lto" == "true" ]] && makedepends+=('clang' 'llvm' 'lld')
options=('!strip')
source=('defconfig'
'linux.preset'
'60-linux.hook'
'90-linux.hook'
)
md5sums=(SKIP SKIP SKIP SKIP)
export LOCALVERSION="-${pkgrel}"
[[ "$_lto" == "true" ]] && _llvm="LLVM=1" || _llvm=""
prepare() {
if [[ -d "${srcdir}/${_srcname}/" ]]; then
cd "${srcdir}/${_srcname}/"
git fetch --depth 1
echo "LOCAL HEAD: $(git rev-parse HEAD)"
echo "REMOTE HEAD: $(git rev-parse @{u})"
if [ "$(git rev-parse HEAD)" != "$(git rev-parse @{u})" ]; then
git pull --depth=1 --rebase=true --force origin "${_gitbranch}:${_gitbranch}"
git checkout "${_gitbranch}"
fi
echo
else
cd "${srcdir}/"
echo git clone --branch "${_gitbranch}" --depth=1 "${_gitroot}" "${srcdir}/${_srcname}/"
git clone --branch "${_gitbranch}" --depth=1 "${_gitroot}" "${srcdir}/${_srcname}/"
echo
fi
cd "${srcdir}/${_srcname}/"
rm -f ./arch/arm64/boot/dts/mediatek/$(basename $_r3dts)
rm -f ./arch/arm64/boot/dts/mediatek/mt7986a.dtsi
wget --no-verbose $_r3dts --no-clobber -P ./arch/arm64/boot/dts/mediatek/
wget --no-verbose $_r3dtsi --no-clobber -P ./arch/arm64/boot/dts/mediatek/
sed -i 's/mt6795-sony-xperia-m5/mt7986a-bananapi-bpi-r3/g' ./arch/arm64/boot/dts/mediatek/Makefile
cp -vf ${startdir}/defconfig ./arch/arm64/configs/bpir64_defconfig
make ${MAKEFLAGS} $_llvm bpir64_defconfig
rm -vf ./arch/arm64/configs/bpir64_defconfig
# get kernel version
make ${MAKEFLAGS} $_llvm prepare
}
pkgver() {
cd "$srcdir/$_srcname"
printf "%s" "$(echo $(make ${MAKEFLAGS} $_llvm -s kernelrelease) | \
sed 's/\([^-]*-\)g/r\1/;s/-/./g')"
}
build() {
cd ${_srcname}
unset LDFLAGS
if [[ "$_lto" == "true" ]]; then
./scripts/config --enable LTO_CLANG_FULL # LTO_CLANG_THIN
make ${MAKEFLAGS} $_llvm oldconfig
fi
# make ${MAKEFLAGS} $_llvm menuconfig
make ${MAKEFLAGS} $_llvm Image Image.gz modules # KCFLAGS=-w
# Generate device tree blobs with symbols to support applying device tree overlays in U-Boot
make ${MAKEFLAGS} $_llvm DTC_FLAGS="-@" dtbs
}
_package() {
pkgdesc="The Linux Kernel and modules - ${_desc}"
depends=('coreutils' 'linux-firmware' 'kmod')
optdepends=('mkinitcpio>=0.7')
provides=("linux=${pkgver}" "WIREGUARD-MODULE")
replaces=('linux-armv8')
conflicts=('linux')
backup=("etc/mkinitcpio.d/${pkgbase}.preset")
install=${pkgname}.install
cd ${_srcname}
KARCH=arm64
# get kernel version
_kernver="$(make ${MAKEFLAGS} $_llvm kernelrelease)"
_basekernel=${_kernver%%-*}
_basekernel=${_basekernel%.*}
mkdir -p "${pkgdir}"/{boot,boot/dtbs,usr/lib/modules}
make ${MAKEFLAGS} $_llvm INSTALL_MOD_PATH="${pkgdir}/usr" INSTALL_MOD_STRIP=1 \
DEPMOD=/doesnt/exist modules_install
cp arch/$KARCH/boot/Image{,.gz} "${pkgdir}/boot"
cp arch/$KARCH/boot/dts/mediatek/*.dtb "${pkgdir}/boot/dtbs"
# make room for external modules
local _extramodules="extramodules-${_basekernel}${_kernelname}"
ln -s "../${_extramodules}" "${pkgdir}/usr/lib/modules/${_kernver}/extramodules"
# add real version for building modules and running depmod from hook
echo "${_kernver}" |
install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_extramodules}/version"
# remove build and source links
rm "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build}
# now we call depmod...
depmod -b "${pkgdir}/usr" -F System.map "${_kernver}"
# add vmlinux
install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux
# sed expression for following substitutions
local _subst="
s|%PKGBASE%|${pkgbase}|g
s|%KERNVER%|${_kernver}|g
s|%EXTRAMODULES%|${_extramodules}|g
"
# install mkinitcpio preset file
sed "${_subst}" ../linux.preset |
install -Dm644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
# install pacman hooks
sed "${_subst}" ../60-linux.hook |
install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/60-${pkgbase}.hook"
sed "${_subst}" ../90-linux.hook |
install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/90-${pkgbase}.hook"
}
_package-headers() {
pkgdesc="Header files and scripts for building modules for linux kernel - ${_desc}"
provides=("linux-headers=${pkgver}")
conflicts=('linux-headers')
cd ${_srcname}
local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"
install -Dt "${_builddir}" -m644 Makefile .config Module.symvers
install -Dt "${_builddir}/kernel" -m644 kernel/Makefile
mkdir "${_builddir}/.tmp_versions"
cp -t "${_builddir}" -a include scripts
install -Dt "${_builddir}/arch/${KARCH}" -m644 arch/${KARCH}/Makefile
install -Dt "${_builddir}/arch/${KARCH}/kernel" -m644 arch/${KARCH}/kernel/asm-offsets.s
cp -t "${_builddir}/arch/${KARCH}" -a arch/${KARCH}/include
mkdir -p "${_builddir}/arch/arm"
cp -t "${_builddir}/arch/arm" -a arch/arm/include
install -Dt "${_builddir}/drivers/md" -m644 drivers/md/*.h
install -Dt "${_builddir}/net/mac80211" -m644 net/mac80211/*.h
# http://bugs.archlinux.org/task/13146
install -Dt "${_builddir}/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
# http://bugs.archlinux.org/task/20402
install -Dt "${_builddir}/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
install -Dt "${_builddir}/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
install -Dt "${_builddir}/drivers/media/tuners" -m644 drivers/media/tuners/*.h
# https://bugs.archlinux.org/task/71392
install -Dt "${_builddir}/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
# add xfs and shmem for aufs building
mkdir -p "${_builddir}"/{fs/xfs,mm}
# copy in Kconfig files
find . -name Kconfig\* -exec install -Dm644 {} "${_builddir}/{}" \;
# remove unneeded architectures
local _arch
for _arch in "${_builddir}"/arch/*/; do
[[ ${_arch} == */${KARCH}/ || ${_arch} == */arm/ ]] && continue
rm -r "${_arch}"
done
# remove files already in linux-docs package
rm -r "${_builddir}/Documentation"
# remove now broken symlinks
find -L "${_builddir}" -type l -printf 'Removing %P\n' -delete
# Fix permissions
chmod -R u=rwX,go=rX "${_builddir}"
# strip scripts directory
local _binary _strip
while read -rd '' _binary; do
case "$(file -bi "${_binary}")" in
*application/x-sharedlib*) _strip="${STRIP_SHARED}" ;; # Libraries (.so)
*application/x-archive*) _strip="${STRIP_STATIC}" ;; # Libraries (.a)
*application/x-executable*) _strip="${STRIP_BINARIES}" ;; # Binaries
*) continue ;;
esac
/usr/bin/strip ${_strip} "${_binary}"
done < <(find "${_builddir}/scripts" -type f -perm -u+w -print0 2>/dev/null)
}
pkgname=("${pkgbase}" "${pkgbase}-headers")
for _p in ${pkgname[@]}; do
eval "package_${_p}() {
$(declare -f "_package${_p#$pkgbase}")
_package${_p#${pkgbase}}
}"
done
# vim: set sw=2 ts=2 et:
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