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# Maintainer: Steven De Bondt <egnappah at gmail dot com>
pkgbase=linux-amd-raven
_srcname=linux
gitver=v5.4.113
pkgver=5.4.v.113
pkgrel=1
arch=('x86_64')
url="https://www.kernel.org/"
license=('GPL2')
makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'git' 'libelf' 'lzop')
options=('!strip')
source=("git+https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git#tag=$gitver"
# the main kernel config files
'config.x86_64'
# standard config files for mkinitcpio ramdisk
"${pkgbase}.preset"
# linux package install directives for pacman
'linux.install'
# patch from our gentoo overlords
'5013_enable-cpu-optimizations-for-gcc10.patch'
)
sha256sums=('SKIP'
#config.x86_64
'419137d34ad421b145a56722d27a860777d59943100dd344299a79345f4873b4'
#.preset file
'fd220b9f47a86162247b042f06311848678f9acb64b92f716572972f3aeb3d18'
#linux install file
'd590e751ab4cf424b78fd0d57e53d187f07401a68c8b468d17a5f39a337dacf0'
#gentoopatch file
'af80efde6c90a2fafdb0809017edf41a955898f923fb5777dfd2d82ff5f01154'
)
_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
# don't run depmod on 'make install'. We'll do this ourselves in packaging
sed -i '2iexit 0' scripts/depmod.sh
# Implement all packaged patches. Ignore errors.
msg2 "Implementing custom kernel patches"
while read patch; do
echo "Applying $patch"
git apply $patch || echo "ERROR: something went wrong with $patch. Advancing anyway."
done <<< $(ls ../*.patch)
# get kernel version
msg2 "Preparing kernel"
yes "" | make prepare
# load configuration
msg2 "Preparing config"
# Configure the kernel. Replace the line below with one of your choice.
#make menuconfig # CLI menu for configuration
#make nconfig # new CLI menu for configuration
#make xconfig # X-based configuration
#make oldconfig # using old config from previous kernel version
make olddefconfig # old config from previous kernel, defaults for new options
# ... or manually edit .config
}
build() {
cd "${_srcname}"
#Force zenv1 architecture optimisation.
export CFLAGS="-march=znver1 -mtune=znver1 -O2 -pipe -fstack-protector-strong"
export CXXFLAGS="${CFLAGS}"
make ${MAKEFLAGS} LOCALVERSION= bzImage modules
}
_package() {
pkgdesc="Linux kernel with working amdgpu for Raven Ridge hardware"
depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7' 'lzop')
optdepends=('crda: to set the correct wireless channels of your country')
backup=("etc/mkinitcpio.d/${pkgbase}.preset")
install=linux.install
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
cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
# set correct depmod command for install
cp -f "${startdir}/${install}" "${startdir}/${install}.pkg"
true && install=${install}.pkg
sed \
-e "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/" \
-e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/" \
-i "${startdir}/${install}"
# install mkinitcpio preset file for kernel
install -D -m644 "${srcdir}/${pkgbase}.preset" "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
sed \
-e "1s|'linux.*'|'${pkgbase}'|" \
-e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${pkgbase}\"|" \
-e "s|default_image=.*|default_image=\"/boot/initramfs-${pkgbase}.img\"|" \
-e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${pkgbase}-fallback.img\"|" \
-i "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
# remove build and source links
rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
# remove the firmware
rm -rf "${pkgdir}/lib/firmware"
# make room for external modules
ln -s "../extramodules-${_basekernel}${_kernelname:--ARCH}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
# add real version for building modules and running depmod from post_install/upgrade
mkdir -p "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--ARCH}"
echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--ARCH}/version"
# Now we call depmod...
depmod -b "${pkgdir}" -F System.map "${_kernver}"
# 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-${_kernver}"
}
_package-headers() {
pkgdesc="Header files and scripts for building modules for Linux kerel with working amdgpu for Raven Ridge hardware"
install -dm755 "${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"
# fix permissions on scripts dir
chmod og-w -R "${pkgdir}/usr/lib/modules/${_kernver}/build/scripts"
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
# Fix file conflict with -doc package
rm "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/kbuild"/Kconfig.*-*
rm "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/Kconfig"
# 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/${_kernver}/build/arch/ -maxdepth 1 -mindepth 1 -type d | grep -v /x86$)
}
_package-docs() {
pkgdesc="Kernel hackers manual - HTML documentation that comes with the Linux kernel"
cd "${_srcname}"
mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build"
cp -al Documentation "${pkgdir}/usr/lib/modules/${_kernver}/build"
find "${pkgdir}" -type f -exec chmod 444 {} \;
find "${pkgdir}" -type d -exec chmod 755 {} \;
# remove a file already in linux package
rm -f "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/DocBook/Makefile"
}
pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-docs")
for _p in ${pkgname[@]}; do
eval "package_${_p}() {
$(declare -f "_package${_p#${pkgbase}}")
_package${_p#${pkgbase}}
}"
done
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