# Maintainer: Steven De Bondt pkgbase=linux-amd-znver2 _srcname=linux gitver=v5.10.11 pkgver=5.10.v.11 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 '76e63a14599ac8a8c30000aa6c54a904cf124bf85dfc0dd7ff96fcb0de478f77' #.preset file '60c6ba602443e94a9eba3aeee9d194027d69bffaa428c6d055348ebf03681b5c' #linux install file 'd590e751ab4cf424b78fd0d57e53d187f07401a68c8b468d17a5f39a337dacf0' #gentoopatch '126cd35b1153b69dd8d713f902d09ecc64ce8af2e4fa6f021219a65e62e13875' ) _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. 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 zenv2 architecture optimisation. export CFLAGS="-march=znver2 -mtune=znver2 -O2 -pipe -fstack-protector-strong" export CXXFLAGS="${CFLAGS}" make ${MAKEFLAGS} LOCALVERSION= bzImage modules } _package() { pkgdesc="Linux kernel aimed at the znver2 AMD Ryzen CPU based hardware" depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7' 'lzop') optdepends=('crda: to set the correct wireless channels of your country') backup=("etc/mkinitcpio.d/${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-${_kernver}" } _package-headers() { pkgdesc="Header files and scripts for building modules for the linux-amd-znver2 kernel" install -dm755 "${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" # 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