2026-05-16 14:23:56 +00:00

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# Maintainer: Milan P. Stanić <mps@arvanta.net>
_flavor=av
pkgname=linux-$_flavor
# NOTE: please resist urge to upgrade it blindly
pkgver=7.0.8
_kernver=${pkgver%.*}
pkgrel=0
pkgdesc="kernel for SBCs, chromebooks, lean and fast"
url="https://www.kernel.org"
_depends_dev="perl gmp-dev flex bison"
makedepends="$_depends_dev sed installkernel bc elfutils-dev linux-headers linux-firmware-any
openssl-dev diffutils findutils u-boot-tools dtc"
_carch=$CARCH
subpackages="$pkgname-dev:_dev:$CBUILD_ARCH"
case "$_carch" in
aarch64|arm*) makedepends="$makedepends vboot-utils lz4"
subpackages="$subpackages $pkgname-cbook:_cbook:$CBUILD_ARCH"
;;
esac
arch="aarch64 armv7"
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
riscv64) _carch="riscv" ;;
esac
options="!strip !check"
provides="linux-elm linux-gru"
_config=${config:-config-$_flavor.$CARCH}
source="https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz"
case $pkgver in
*.*.0) ;;
*.*.*) source="
patch-$pkgver.patch.xz::https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz
$source" ;;
esac
source="$source
config-$_flavor.aarch64
config-$_flavor.armv7
kernel.its.aarch64
kernel.its.armv7
"
license="GPL-2.0-only"
builddir="$srcdir"/linux-$_kernver
_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
prepare() {
default_prepare
# remove localversion from patch if any
rm -f localversion*
oldconfig
}
oldconfig() {
for i in $_flavors; do
local _config=config-$i.$CARCH
mkdir -p "$builddir"
echo "-$pkgrel-$i" > "$builddir"/localversion-alpine \
|| return 1
install -m644 "$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" \
DTC_FLAGS="-@" \
INSTALL_MOD_PATH="$_outdir" \
INSTALL_MOD_STRIP=1 \
INSTALL_PATH="$_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
rm $pkgdir/boot/config-${_abi_release}
rm $pkgdir/boot/System.map-${_abi_release}
}
# main flavor installs in $pkgdir
package() {
_package $_flavor "$pkgdir"
}
_cbook() {
pkgdesc="linux kernel for flash to chromeOS kernel partition"
depends="$pkgname"
install="$subpkgname.post-install $subpkgname.post-upgrade"
case "$CARCH" in
aarch64) _vbk_arch="aarch64" ;;
armv7) _vbk_arch="arm" ;;
esac
mkdir -p "$subpkgdir"/boot
cd $builddir
case "$CARCH" in
aarch64)
lz4 -20 -z -f -m arch/arm64/boot/Image
;;
esac
cp $srcdir/kernel.its."$CARCH" .
mkimage -D "-I dts -O dtb -p 2048" -f kernel.its."$CARCH" vmlinux.uimg
dd if=/dev/zero of=bootloader.bin bs=512 count=1
echo "console=tty0 earlyprintk=tty0 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd loglevel=7" > cmdline
vbutil_kernel \
--pack $pkgdir/boot/vmlinux-$_flavor.fit \
--version 1 \
--vmlinuz vmlinux.uimg \
--arch $_vbk_arch \
--keyblock /usr/share/vboot/devkeys/kernel.keyblock \
--signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
--config cmdline \
--bootloader bootloader.bin
rm cmdline bootloader.bin
mv $pkgdir/boot/vmlinux-$_flavor.fit $subpkgdir/boot
}
_dev() {
local _flavor=$(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"
install -m644 "$srcdir"/config-$_flavor.$CARCH "$dir"/.config
echo "-$pkgrel-$_flavor" > "$dir"/localversion-alpine
cd $builddir
echo "Installing headers..."
cp -t "$dir" -a include
install -Dt "$dir" -m644 Makefile
install -Dt "$dir" -m644 Module.symvers
install -Dt "$dir" -m644 System.map
cp -t "$dir" -a scripts
install -Dt "$dir/arch/$_carch" -m644 arch/$_carch/Makefile
install -Dt "$dir/arch/$_carch/kernel" -m644 arch/$_carch/kernel/asm-offsets.s
cp -t "$dir/arch/$_carch" -a arch/$_carch/include
install -Dt "$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 {} "$dir/{}" \;
echo "Removing unneeded architectures..."
local arch
for arch in "$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="
cd7fbd0834ae8558fc0e9ff75591cb60cb4e1aa6beb65976ea515be1c002d9158c134a4f5b7cff56ee53639a3d20d390b2accc44a4b229e8a3a913b8c556fb15 patch-7.0.8.patch.xz
8c85b708342f8f09ca25b2234b22e93b62b144a9ef919fbb21827f52fa47498e778c79db1559524dd7fb360f95b2ce174171443c1859656c281be41d2b6c5a0b linux-7.0.tar.xz
cd8ca7d400c1ae3875b7411f70a52a24db1f357d84eecb94378b46a8c32f64d4138a09c4588e2f82e0ae4591d65ba65b1d23f12d5c65c9dde1003ba1200265f2 config-av.aarch64
3cc76541c7baaec5e6c413e0fbe6b4dabb832b507890d8da7e716c0b7f2f89a7827ed6e1d3bb858f67fceb3cc92f2c2964b93b1041c0c8a53d9edbe6f8212e48 config-av.armv7
0b4132a7fe8cbea63bf870045ead46942cae27dcae4bb94d68b2531d190dc963f164a2b00dd22077735d5997a30109324887d785cda62da4033a55200d221e9a kernel.its.aarch64
9ce70b7e02691535ea9e332f59e5ca8810a1a95642065fcf3a6618ba2ec823422d8eb28b4b237afe7c2f6740d9b722f3ac6a9a67de9ad85409cf65880348c174 kernel.its.armv7
"