2024-05-11 08:20:26 +00:00

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# Maintainer: Milan P. Stanić <mps@arvanta.net>
_flavor=starfive
pkgname=linux-${_flavor}
pkgver=6.8.9
case $pkgver in
*.*.*) _kernver=${pkgver%.*};;
*.*) _kernver=$pkgver;;
esac
pkgrel=0
pkgdesc="starfive (development kernel)"
url="https://www.kernel.org"
depends="initramfs-generator"
_depends_dev="perl gmp-dev elfutils-dev flex bison"
makedepends="$_depends_dev sed bc linux-headers installkernel pigz
linux-firmware-any openssl-dev diffutils findutils python3"
options="!strip !check"
_config=${config:-config-$_flavor.${CARCH}}
subpackages="$pkgname-dev:_dev:$CBUILD_ARCH"
source="https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz"
case $pkgver in
*.*.0) source="$source";;
*.*.*) source="$source
https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz" ;;
esac
source="$source
config-starfive.riscv64
aurel32.6.7.y.patch
"
builddir="$srcdir/linux-${_kernver}"
arch="riscv64"
license="GPL-2.0-only"
unset _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-${_f}::$CBUILD_ARCH linux-${_f}-dev:_dev:$CBUILD_ARCH"
fi
;;
esac
done
_carch=${CARCH}
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
riscv64) _carch="riscv" ;;
esac
prepare() {
local _patch_failed=
case $pkgver in
*.*.0);;
*)
msg "Applying patch-$pkgver.xz"
unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N ;;
esac
# first apply patches in specified order
mkdir drivers/pci/controller/plda
cp drivers/pci/controller/pcie-microchip-host.c drivers/pci/controller/plda/pcie-microchip-host.c
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*
oldconfig
}
oldconfig() {
for i in $_flavors; do
local _config=config-$i.${CARCH}
echo "-$pkgrel-$i" > "$builddir"/localversion-alpine \
|| return 1
cp "$srcdir"/$_config "$builddir"/.config
make -C $builddir \
O="$builddir" \
ARCH="$_carch" \
listnewconfig oldconfig
done
}
build() {
unset LDFLAGS
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
make ARCH="$_carch" DTC_FLAGS="-@" CC="${CC:-gcc}" \
KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
}
_package() {
local _buildflavor="$1" _outdir="$2"
local _abi_release=${pkgver}-${pkgrel}-${_buildflavor}
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# modules_install seems to regenerate a defect Modules.symvers on s390x. Work
# around it by backing it up and restore it after modules_install
cp Module.symvers Module.symvers.backup
mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
local _install
case "$CARCH" in
arm*|aarch64) _install="zinstall dtbs_install";;
riscv64) _install="zinstall dtbs_install";;
*) _install=install;;
esac
make -j1 modules_install $_install \
ARCH="$_carch" \
INSTALL_MOD_PATH="$_outdir" \
INSTALL_PATH="$_outdir"/boot \
INSTALL_DTBS_PATH="$_outdir/boot/dtbs-$_buildflavor"
cp Module.symvers.backup Module.symvers
rm -f "$_outdir"/lib/modules/${_abi_release}/build \
"$_outdir"/lib/modules/${_abi_release}/source
rm -rf "$_outdir"/lib/firmware
install -D -m644 include/config/kernel.release \
"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
cp "$builddir"/.config $pkgdir/boot/config-$_flavor
}
# main flavor installs in $pkgdir
package() {
depends="$depends linux-firmware-any"
_package $_flavor "$pkgdir"
}
_dev() {
local _flavor=$(echo $subpkgname | sed -E 's/(^linux-|-dev$)//g')
local _abi_release=${pkgver}-${pkgrel}-$_flavor
# 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 $_flavor kernel"
depends="$_depends_dev"
local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release}
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# first we import config, run prepare to set up for building
# external modules, and create the scripts
mkdir -p $dir
cd $builddir
cp "$srcdir"/config-$_flavor.${CARCH} "$dir"/.config
echo "-$pkgrel-$_flavor" > "$dir"/localversion-alpine
echo "Installing headers..."
cp -t $dir -a $builddir/include
echo "**********"
install -Dt $dir -m644 $builddir/Makefile
install -Dt $dir -m644 $builddir/Module.symvers
install -Dt $dir -m644 $builddir/System.map
cp -t $dir -a $builddir/scripts
echo "***********************************"
install -Dt "${dir}/arch/${_carch}" -m644 $builddir/arch/${_carch}/Makefile
install -Dt "${dir}/arch/${_carch}/kernel" -m644 $builddir/arch/${_carch}/kernel/asm-offsets.s
cp -t "${dir}/arch/${_carch}" -a $builddir/arch/${_carch}/include
echo "***********************************"
install -Dt "$dir/drivers/md" -m644 drivers/md/*.h
install -Dt "$dir/net/mac80211" -m644 net/mac80211/*.h
# https://bugs.archlinux.org/task/13146
install -Dt "$dir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
# https://bugs.archlinux.org/task/20402
install -Dt "$dir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
install -Dt "$dir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
install -Dt "$dir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
# https://bugs.archlinux.org/task/71392
install -Dt "$dir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
echo "Installing KConfig files..."
find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
echo "Removing unneeded architectures..."
local arch
for arch in "$dir"/arch/*/; do
case $(basename "$arch") in $_carch) continue ;; esac
echo "Removing $(basename "$arch")"
rm -r "$arch"
done
echo "Removing broken symlinks..."
find -L "$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 -bi "$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 ! -name vmlinux -print0)
echo "Stripping vmlinux..."
strip -v $STRIP_STATIC "$builddir/vmlinux"
echo "Adding symlink..."
mkdir -p "$subpkgdir"/lib/modules/${_abi_release}
ln -sf /usr/src/linux-headers-${_abi_release} \
"$subpkgdir"/lib/modules/${_abi_release}/build
}
sha512sums="
5c4eb4aa1d3f7d1ea01c0f7ddeadacdece6e144fd4bdfc16b2b925d3e10dc04de3a6db69320b79a96c3560052616f001d2c09e7a1bb4f7b731e2380a7ecce068 linux-6.8.tar.xz
89c036fac161c5df8c594d62ccc7c841ae2ea19b9e0c66cdb2a4404101e39bef765c0ccc774bd81a281ab160cdff83f3a64beac7b616eb337cdef908de10ad65 patch-6.8.9.xz
89a944966844af282da0728c7e092627acf665f1fb409cbe3ab180cf08662f33094d87208711e90df4b2e39ca7e7c8b50bcc0163ab2292c0f972ad910693c6ec config-starfive.riscv64
6031bfd1d002e7e12a32ca7d0f91ed642045c2ff205a8c256d9818cd16688c8ca44bd22fec4daa345b896cc86744efb19d41711a6c14241baddd2b19ff3bc6a9 aurel32.6.7.y.patch
"