Initial push

1 files changed, 261 insertions, 0 deletions

diff --git a/PKGBUILD b/PKGBUILD
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+# Maintainer: Steven De Bondt <egnappah at gmail dot com>
+
+pkgbase=linux-amd-znver2
+_srcname=linux
+gitver=v5.9.1
+pkgver=5.9.v.1
+pkgrel=1
+arch=('x86_64')
+url="https://www.kernel.org/"
+license=('GPL2')
+makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'git' 'libelf')
+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
+            'e34a67499393b0f97bd6e67729a711fa7e426771397ef8f1c9e82a1842c43b53'
+            #.preset file
+            '71caf34adf69e9e2567a38cfc951d1c60b13dbe87f58a9acfeb3fe48ffdc9d08'
+            #linux install file
+            'd590e751ab4cf424b78fd0d57e53d187f07401a68c8b468d17a5f39a337dacf0'
+            #gentoopatch
+            '5ab29eb64e57df83b395a29a6a4f89030d142feffbfbf73b3afc6d97a2a7fd12'
+)
+
+_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 ${MAKEFLAGS} LOCALVERSION= bzImage modules
+}
+
+_package() {
+  pkgdesc="Linux kernel aimed at the znver2 AMD CPU based hardware"
+  depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7')
+  optdepends=('crda: to set the correct wireless channels of your country')
+  provides=('linux')
+  backup=("etc/mkinitcpio.d/${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/${_kernver}/build/vmlinux" 
+
+  # add System.map
+  install -D -m644 System.map "${pkgdir}/boot/System.map-${_kernver}"
+}
+
+_package-headers() {
+  pkgdesc="Header files and scripts for building modules for the linux-amd-znver2 kernel"
+  provides=('linux-headers')
+
+  install -dm755 "${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 acpi asm-generic config crypto drm generated keys linux math-emu \
+    media net pcmcia scsi sound trace uapi video xen; 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/${_kernver}/build/.tmp_versions"
+
+  mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel"
+
+  cp arch/${KARCH}/Makefile "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
+
+  if [ "${CARCH}" = "i686" ]; then
+    cp arch/${KARCH}/Makefile_32.cpu "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
+  fi
+
+  cp arch/${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/${_kernver}/build/arch/ -maxdepth 1 -mindepth 1 -type d | grep -v /x86$)
+
+  #Fix missing vdso files after overhaul
+  cp -r "include/vdso/" "${pkgdir}/usr/lib/modules/${_kernver}/build/include/"
+}
+
+_package-docs() {
+  pkgdesc="Kernel hackers manual - HTML documentation that comes with the Linux kernel"
+  provides=('linux-docs')
+
+  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