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# Maintainer: Armin Fasold <aur at bebna dot de>
# Contributor: Steven De Bondt <egnappah at gmail dot com>
pkgbase=linux-amd-znver3
_srcname=linux
gitver=v6.11.6
patchver=20240221.2
patchname=more-uarches-for-kernel-6.8-rc4+.patch
pkgver=6.11.v.6
pkgrel=1
arch=('x86_64')
url="https://www.kernel.org/"
license=('GPL2')
makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'git' 'libelf' 'lzop' 'gcc>=9.1')
options=('!strip')
source=("git+https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git#tag=$gitver"
# the main kernel config files
'config.x86_64'
)
sha256sums=('SKIP'
#config.x86_64
'b77a76fd0c35a3af9f7c718970d105f95cc0ea9fa9d2216a7f0ea2dfac2253fe'
)
_kernelname=${pkgbase#linux}
pkgver() {
echo $pkgver
}
prepare() {
cd "${_srcname}"
if [ "${CARCH}" = "x86_64" ]; then
cat "${srcdir}/config.x86_64" > ./.config
else
echo "Sorry, non x86_64 arch not supported."
exit 2
fi
# get kernel version
msg2 "Preparing kernel"
yes "" | make prepare
# load configuration
msg2 "Preparing config"
# Configure the kernel. Replace the line below with one of your choice.
#make menuconfig # CLI menu for configuration
#make nconfig # new CLI menu for configuration
#make xconfig # X-based configuration
#make oldconfig # using old config from previous kernel version
make olddefconfig # old config from previous kernel, defaults for new options
# ... or manually edit .config
}
build() {
cd "${_srcname}"
#Force zenv3 architecture optimisation and other optimisations.
export KCFLAGS=' -march=znver3 -mtune=znver3 -O2 -pipe -fstack-protector-strong'
export KCPPFLAGS=' -march=znver3 -mtune=znver3'
make ${MAKEFLAGS} LOCALVERSION= bzImage modules
}
_package() {
pkgdesc="Linux kernel aimed at the znver3 AMD Ryzen CPU based hardware"
depends=('coreutils' 'linux-firmware' 'kmod' 'lzop')
optdepends=('crda: to set the correct wireless channels of your country')
cd "${_srcname}"
KARCH=x86
# get kernel version
_kernver="$(make LOCALVERSION= kernelrelease)"
_basekernel=${_kernver%%-*}
_basekernel=${_basekernel%.*}
mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
make LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}" modules_install
# remove build link
rm -f "${pkgdir}"/lib/modules/${_kernver}/build
# remove the firmware
rm -rf "${pkgdir}/lib/firmware"
# move module tree /lib -> /usr/lib
mkdir -p "${pkgdir}/usr"
mv "${pkgdir}/lib" "${pkgdir}/usr/"
# add vmlinux
install -D -m644 vmlinux "${pkgdir}/usr/lib/modules/${_kernver}/build/vmlinux"
# add vmlinuz in /usr/lib/modules/ and info for correct hook triggers
cp arch/$KARCH/boot/bzImage "${pkgdir}/usr/lib/modules/${_kernver}/vmlinuz"
echo ${pkgbase} > "${pkgdir}/usr/lib/modules/${_kernver}/pkgbase"
# add System.map
install -D -m644 System.map "${pkgdir}/boot/System.map-${_kernver}"
}
_package-headers() {
pkgdesc="Header files and scripts for building modules for the linux-amd-znver3 kernel"
install -dm755 "${pkgdir}/usr/lib/modules/${_kernver}"
cd "${_srcname}"
install -D -m644 Makefile \
"${pkgdir}/usr/lib/modules/${_kernver}/build/Makefile"
install -D -m644 kernel/Makefile \
"${pkgdir}/usr/lib/modules/${_kernver}/build/kernel/Makefile"
install -D -m644 .config \
"${pkgdir}/usr/lib/modules/${_kernver}/build/.config"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include"
for i in $(ls include/); do
cp -a include/${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/include/"
done
# copy arch includes for external modules
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86"
cp -a arch/x86/include "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86/"
# copy files necessary for later builds, like nvidia and vmware
cp Module.symvers "${pkgdir}/usr/lib/modules/${_kernver}/build"
cp -a scripts "${pkgdir}/usr/lib/modules/${_kernver}/build"
# Make tmpdir for versions
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/.tmp_versions"
# add kernel files to headers
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel"
cp arch/${KARCH}/Makefile "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel/"
# add dm headers
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
cp drivers/md/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
# add inotify.h
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux"
cp include/linux/inotify.h "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux/"
# add wireless headers
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
cp net/mac80211/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
# copy in Kconfig files
for i in $(find . -name "Kconfig*"); do
mkdir -p "${pkgdir}"/usr/lib/modules/${_kernver}/build/`echo ${i} | sed 's|/Kconfig.*||'`
cp ${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/${i}"
done
# Add objtool for CONFIG_STACK_VALIDATION
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/tools"
cp -a tools/objtool "${pkgdir}/usr/lib/modules/${_kernver}/build/tools"
chown -R root:root "${pkgdir}/usr/lib/modules/${_kernver}/build"
find "${pkgdir}/usr/lib/modules/${_kernver}/build" -type d -exec chmod 755 {} \;
# strip scripts directory
find "${pkgdir}/usr/lib/modules/${_kernver}/build/scripts" -type f -perm -u+w 2>/dev/null | while read binary ; do
case "$(file -bi "${binary}")" in
*application/x-sharedlib*) # Libraries (.so)
/usr/bin/strip ${STRIP_SHARED} "${binary}";;
*application/x-archive*) # Libraries (.a)
/usr/bin/strip ${STRIP_STATIC} "${binary}";;
*application/x-executable*) # Binaries
/usr/bin/strip ${STRIP_BINARIES} "${binary}";;
esac
done
# remove unneeded architectures
while read modarch; do
rm -rf $modarch
done <<< $(find "${pkgdir}"/usr/lib/modules/${_kernver}/build/arch/ -maxdepth 1 -mindepth 1 -type d | grep -v /x86$)
}
pkgname=("${pkgbase}" "${pkgbase}-headers")
for _p in ${pkgname[@]}; do
eval "package_${_p}() {
$(declare -f "_package${_p#${pkgbase}}")
_package${_p#${pkgbase}}
}"
done
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