PKGBUILDs/core/linux-rpi/PKGBUILD
2024-11-18 11:45:28 -05:00

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# Maintainer: graysky <therealgraysky AT proton DOT me>
# Maintainer: Kevin Mihelich <kevin@archlinuxarm.org>
# Maintainer: Oleg Rakhmanov <oleg@archlinuxarm.org>
# Maintainer: Dave Higham <pepedog@archlinuxarm.org>
# Contributer: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
pkgbase=linux-rpi
_commit=0e4968617aad7d0f88e0a630499202eaae407a19
_srcname=linux-${_commit}
_kernelname=${pkgbase#linux}
_regen=
pkgver=6.6.62
pkgrel=1
pkgdesc='Linux'
url="https://github.com/raspberrypi/linux"
arch=(armv7h aarch64)
license=(GPL2)
makedepends=(
bc
kmod
inetutils
)
options=('!strip')
source_armv7h=('config')
source_aarch64=('config8')
source=("linux-$pkgver-${_commit:0:10}.tar.gz::https://github.com/raspberrypi/linux/archive/${_commit}.tar.gz"
cmdline.txt
config.txt
0001-Make-proc-cpuinfo-consistent-on-arm64-and-arm.patch
linux.preset
archarm.diffconfig
)
md5sums=('4b039551e28381ff4450d0e769dcbfac'
'3bab7426d8c8818dda8353da3892a41f'
'44f69a0637b34eb772980614f9246d01'
'a157c5bfc0f03d0728c92bd953b06265'
'8b93b6ca167f70c60277f352f7b78024'
'29fefd09551fe22458e876c9adbfb7bd')
md5sums_armv7h=('73a73a06205d146b3afa8b88fc4e9dd9')
md5sums_aarch64=('5b92ae177aca6f6abd60994ad950a9f9')
# setup vars
if [[ $CARCH == "armv7h" ]]; then
_kernel=kernel7.img KARCH=arm _image=zImage _config=config
elif [[ $CARCH == "aarch64" ]]; then
_kernel=kernel8.img KARCH=arm64 _image=Image _config=config8
fi
prepare() {
cd "${srcdir}/${_srcname}"
# consistent behavior of lscpu on arm/arm64
patch -p1 -i ../0001-Make-proc-cpuinfo-consistent-on-arm64-and-arm.patch
echo "Setting version..."
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
if [[ $_regen -eq 1 ]]; then
# useful on two point releases to keep shit straight
echo "Applying custom shit to bcm2711_defconfig"
make bcm2711_defconfig
cat ../archarm.diffconfig >> .config
make olddefconfig
if [[ $CARCH == "armv7h" ]]; then
# https://archlinuxarm.org/forum/viewtopic.php?f=23&t=16373
scripts/config --enable CONFIG_BCM2835_THERMAL
# re-enable LRU_GEN by default as the intial observation that it was to blame
# for triggering OOM was likely a false positive, see:
# https://github.com/raspberrypi/linux/issues/5395#issuecomment-1854410361
# https://archlinuxarm.org/forum/viewtopic.php?f=23&t=16377
scripts/config --enable CONFIG_LRU_GEN_ENABLED
fi
# bcm2711_defconfig inserts either -v7l or -v8 for CONFIG_LOCALVERSION= so set this to null
sed '/^CONFIG_LOCALVERSION=/s,.*$,CONFIG_LOCALVERSION="",' .config >$startdir/newconfig.$_config
echo "verify that newconfig.$_config is fit for purpose then redefine $_config"
exit
else
echo "Setting config..."
cp ../"$_config" .config
make olddefconfig
diff -u ../"$_config" .config || :
make -s kernelrelease > version
echo "Prepared $pkgbase version $(<version)"
fi
}
build() {
cd "${srcdir}/${_srcname}"
make "$_image" modules dtbs
}
_package() {
pkgdesc="Linux kernel and modules (RPi Foundation fork)"
depends=(
coreutils
firmware-raspberrypi
kmod
linux-firmware
'mkinitcpio>=0.7'
raspberrypi-bootloader
)
optdepends=(
'wireless-regdb: to set the correct wireless channels of your country'
)
provides=(
linux="${pkgver}"
KSMBD-MODULE
WIREGUARD-MODULE
)
conflicts=(
linux
linux-rpi-16k
uboot-raspberrypi
)
install=${pkgname}.install
backup=(
boot/config.txt
boot/cmdline.txt
)
cd "${srcdir}/${_srcname}"
local modulesdir="$pkgdir/usr/lib/modules/$(<version)"
# Used by mkinitcpio to name the kernel
echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
echo "Installing modules..."
make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
DEPMOD=/doesnt/exist modules_install # Suppress depmod
# remove build link
rm -f "$modulesdir"/build
echo "Installing Arch ARM specific stuff..."
mkdir -p "${pkgdir}"/boot
make INSTALL_DTBS_PATH="${pkgdir}/boot" dtbs_install
if [[ $CARCH == "aarch64" ]]; then
# drop hard-coded devicetree=foo.dtb in /boot/config.txt for
# autodetected load of supported of models at boot
find "${pkgdir}/boot/broadcom" -type f -print0 | xargs -0 mv -t "${pkgdir}/boot"
rmdir "${pkgdir}/boot/broadcom"
fi
cp arch/$KARCH/boot/$_image "${pkgdir}/boot/$_kernel"
cp arch/$KARCH/boot/dts/overlays/README "${pkgdir}/boot/overlays"
install -m644 ../config.txt "${pkgdir}/boot/config.txt"
install -m644 ../cmdline.txt "${pkgdir}/boot"
# sed expression for following substitutions
local _subst="
s|%PKGBASE%|${pkgbase}|g
s|%KERNVER%|$(<version)|g
"
# install mkinitcpio preset file
sed "${_subst}" ../linux.preset |
install -Dm644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
# rather than use another hook (90-linux.hook) rely on mkinitcpio's 90-mkinitcpio-install.hook
# which avoids a double run of mkinitcpio that can occur
touch "${pkgdir}/usr/lib/modules/$(<version)/vmlinuz"
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for Linux kernel"
provides=("linux-headers=${pkgver}")
conflicts=('linux-headers' 'linux-rpi-16k-headers')
cd ${_srcname}
local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
echo "Installing build files..."
install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
localversion.* version
install -Dt "$builddir/kernel" -m644 kernel/Makefile
install -Dt "$builddir/arch/$KARCH" -m644 "arch/$KARCH/Makefile"
cp -t "$builddir" -a scripts
# add xfs and shmem for aufs building
mkdir -p "$builddir"/{fs/xfs,mm}
echo "Installing headers..."
cp -t "$builddir" -a include
cp -t "$builddir/arch/$KARCH" -a "arch/$KARCH/include"
install -Dt "$builddir/arch/$KARCH/kernel" -m644 "arch/$KARCH/kernel/asm-offsets.s"
install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
# https://bugs.archlinux.org/task/13146
install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
# https://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
echo "Installing KConfig files..."
find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
echo "Removing unneeded architectures..."
local _arch
for _arch in "$builddir"/arch/*/; do
if [[ $CARCH == "aarch64" ]]; then
[[ $_arch = */"$KARCH"/ || $_arch == */arm/ ]] && continue
else
[[ $_arch = */"$KARCH"/ ]] && continue
fi
echo "Removing $(basename "$_arch")"
rm -r "$_arch"
done
echo "Symlinking common aliases..."
# https://archlinuxarm.org/forum/viewtopic.php?f=60&t=16354
ln -sr arm "$builddir/arch/armv7h"
ln -sr arm "$builddir/arch/armv7l"
ln -sr arm64 "$builddir/arch/aarch64"
echo "Removing documentation..."
rm -r "$builddir/Documentation"
echo "Removing broken symlinks..."
find -L "$builddir" -type l -printf 'Removing %P\n' -delete
echo "Removing loose objects..."
find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
echo "Stripping build tools..."
local file
while read -rd '' file; do
case "$(file -Sib "$file")" in
application/x-sharedlib\;*) # Libraries (.so)
strip -v $STRIP_SHARED "$file" ;;
application/x-archive\;*) # Libraries (.a)
strip -v $STRIP_STATIC "$file" ;;
application/x-executable\;*) # Binaries
strip -v $STRIP_BINARIES "$file" ;;
application/x-pie-executable\;*) # Relocatable binaries
strip -v $STRIP_SHARED "$file" ;;
esac
done < <(find "$builddir" -type f -perm -u+x -print0)
echo "Adding symlink..."
mkdir -p "$pkgdir/usr/src"
ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
}
pkgname=("${pkgbase}" "${pkgbase}-headers")
for _p in ${pkgname[@]}; do
eval "package_${_p}() {
_package${_p#${pkgbase}}
}"
done
# vim:set ts=8 sts=2 sw=2 et: