linux-surface/pkg/arch/kernel/PKGBUILD
2023-04-20 22:51:19 +02:00

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# Maintainer: Maximilian Luz <m@mxnluz.io>
# Maintainer: Blaž Hrastnik <blaz@mxxn.io>
# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
pkgbase=linux-surface
pkgver=6.2.12.arch1
pkgrel=1
pkgdesc='Linux'
_shortver=${pkgver%.*}
_fullver=${pkgver%.*}-${pkgver##*.}
_srctag=v${_fullver}
url="https://github.com/archlinux/linux/commits/$_srctag"
arch=(x86_64)
license=(GPL2)
makedepends=(
bc libelf cpio perl tar xz
python
# we don't need `pahole` as deps because we disable `CONFIG_DEBUG_INFO`
# ignoring deps for docs because we don't build docs package
git
)
optdepends=('iptsd: Touchscreen support'
'linux-firmware: Firmware files for Linux'
'linux-firmware-marvell: Firmware files for Marvell WiFi / Bluetooth')
options=('!strip')
_srcname=archlinux-linux
source=(
"$_srcname::git+https://github.com/archlinux/linux#tag=$_srctag"
config # the main kernel config file
surface.config # surface specific options
arch.config # config changes for linux-surface kernel
0001-surface3-oemb.patch
0002-mwifiex.patch
0003-ath10k.patch
0004-ipts.patch
0005-ithc.patch
0006-surface-sam.patch
0007-surface-sam-over-hid.patch
0008-surface-button.patch
0009-surface-typecover.patch
0010-surface-shutdown.patch
0011-surface-gpe.patch
0012-cameras.patch
0013-amd-gpio.patch
0014-rtc.patch
)
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
'A2FF3A36AAA56654109064AB19802F8B0D70FC30' # Jan Alexander Steffens (heftig)
)
sha256sums=('SKIP'
'f35bb39db7324a45e78e6c75c1a60f117fea3f7d0df9f4a32bed411751d6ffea'
'6295b131a28d77513073afd77994195bfe2caf6698b1e63ceb47bbd965ee32ae'
'3cabe391cc39dbee88a79f76e9e7a68f7fbcd5518941aa2ab73a77692c87dead'
'26d31c50a3abbdd4a450f09bfadee298490683663906d63710035b5ab7e59075'
'0d3ca0d70c5f5ba0ccfdacb16a0a4fe71c211a9e0ad0e4fec861c5f0eddb26ee'
'dea5eed9d6e8de90dc0dd8f99beec5f9b2a4b2c219a4e6a341dff2c5498c0d54'
'83897a43404aca1936639b074012cb540ce3662ecafb31653c0c7f65ba318076'
'd8490fa1d7c3cc974ca891797d48abaa41c40f6bbec18b38109440d05dd2c378'
'7f617c67cfa0eb8d00d0c1aa9da8fd90606fecd161e62667ceb6ce727264202e'
'd84e2c1367c99ce502dd0f7bfc3692d7a2f4c2d964592c52ed369bf1e2c71647'
'599a6b2d58270393548b0b2f271f5eb77e970ed3606df9afb3e26b3ebcfe80d5'
'7d3eb8c24b1459f282296b1ba89f07abc64bc77ac5fd073c4dfa70f1372181a7'
'8fb508e5feedc6ff5a0f37c3c4123dca6eb906fac8595bd77d2519c07f0bb651'
'89c5f0c95ddf17f9fe64d5409d9677a1748607704d8c0df0bf753208e5bf4e81'
'496b9d6010de4664f309c064c6f136278416b413cae03a2d4d55fbf629da18d8'
'2316d213a0f957fb1c8fc5f0b3b32390d01d1f79ba037a2f30be6c13a934a7f3'
'585cd746c4521162ccf157438ffc7f7bba2a9b2d3cb1b9a1b143f85e233ef47d')
export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# optional certificate and key for secure boot signing
_mok_crt="$PWD/MOK.crt"
_mok_key="$PWD/MOK.key"
prepare() {
cd $_srcname
echo "Setting version..."
scripts/setlocalversion --save-scmversion
echo "-$pkgrel" > localversion.10-pkgrel
echo "${pkgbase#linux}" > localversion.20-pkgname
# setup git
git config --local user.email "surfacebot@users.noreply.github.com"
git config --local user.name "surfacebot"
local src
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
[[ $src = *.patch ]] || continue
echo "Applying patch $src..."
git am -3 "../$src"
done
echo "Setting config..."
# cp ../config .config
# merge the two configs together
./scripts/kconfig/merge_config.sh -m ../config ../surface.config ../arch.config
make olddefconfig
make -s kernelrelease > version
echo "Prepared $pkgbase version $(<version)"
}
build() {
cd $_srcname
make all
}
_package() {
pkgdesc="The $pkgdesc kernel and modules"
depends=(coreutils kmod initramfs)
optdepends=('wireless-regdb: to set the correct wireless channels of your country'
'linux-firmware: firmware images needed for some devices')
provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE linux=${_shortver})
replaces=(virtualbox-guest-modules-arch wireguard-arch)
cd $_srcname
local kernver="$(<version)"
local modulesdir="$pkgdir/usr/lib/modules/$kernver"
local image_name="$(make -s image_name)"
# sign boot image if the prequisites are available
if [[ -f "$_mok_crt" ]] && [[ -f "$_mok_key" ]] && [[ -x "$(command -v sbsign)" ]]; then
echo "Signing boot image..."
sbsign --key "$_mok_key" --cert "$_mok_crt" --output "$image_name" "$image_name"
fi
echo "Installing boot image..."
# systemd expects to find the kernel here to allow hibernation
# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
install -Dm644 "$image_name" "$modulesdir/vmlinuz"
# Used by mkinitcpio to name the kernel
echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
echo "Installing modules..."
make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
DEPMOD=/doesnt/exist modules_install # Suppress depmod
# remove build and source links
rm "$modulesdir"/{source,build}
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
depends=(pahole)
provides=("linux-headers=${_shortver}")
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 vmlinux
install -Dt "$builddir/kernel" -m644 kernel/Makefile
install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
cp -t "$builddir" -a scripts
# required when STACK_VALIDATION is enabled
install -Dt "$builddir/tools/objtool" tools/objtool/objtool
echo "Installing headers..."
cp -t "$builddir" -a include
cp -t "$builddir/arch/x86" -a arch/x86/include
install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
install -Dt "$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
echo "Installing KConfig files..."
find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
echo "Removing unneeded architectures..."
local arch
for arch in "$builddir"/arch/*/; do
[[ $arch = */x86/ ]] && continue
echo "Removing $(basename "$arch")"
rm -r "$arch"
done
echo "Removing documentation..."
rm -r "$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 "$(file -bi "$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 "$pkgdir/usr/src"
ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
}
pkgname=("$pkgbase" "$pkgbase-headers")
for _p in "${pkgname[@]}"; do
eval "package_$_p() {
$(declare -f "_package${_p#$pkgbase}")
_package${_p#$pkgbase}
}"
done
# vim:set ts=8 sts=2 sw=2 et: