5.10.27-rt36-xanmod1

3 files changed, 465 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..c337bad0848a
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,39 @@
+pkgbase = linux-xanmod-rt510
+	pkgdesc = Linux Xanmod real-time version
+	pkgver = 5.10.27
+	pkgrel = 1
+	url = http://www.xanmod.org/
+	arch = x86_64
+	license = GPL2
+	makedepends = xmlto
+	makedepends = kmod
+	makedepends = inetutils
+	makedepends = bc
+	makedepends = libelf
+	makedepends = cpio
+	options = !strip
+	source = https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.tar.xz
+	source = https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.tar.sign
+	source = https://github.com/xanmod/linux/releases/download/5.10.27-rt36-xanmod1/patch-5.10.27-rt36-xanmod1.xz
+	source = choose-gcc-optimization.sh
+	source = sphinx-workaround.patch::https://git.archlinux.org/svntogit/packages.git/plain/trunk/sphinx-workaround.patch?h=packages/linux&id=be7d4710850020de55bce930c83fa80347c02fc3
+	validpgpkeys = ABAF11C65A2970B130ABE3C479BE3E4300411886
+	validpgpkeys = 647F28654894E3BD457199BE38DBBDC86092693E
+	sha256sums = dcdf99e43e98330d925016985bfbc7b83c66d367b714b2de0cbbfcbf83d8ca43
+	sha256sums = SKIP
+	sha256sums = 80b75594f05cb6f318af15b02261255f9cf33da1cb3352b3fa444724cc774953
+	sha256sums = 03bb8b234a67b877a34a8212936ba69d8700c54c7877686cbd9742a536c87134
+	sha256sums = 52fc0fcd806f34e774e36570b2a739dbdf337f7ff679b1c1139bee54d03301eb
+
+pkgname = linux-xanmod-rt510
+	pkgdesc = The Linux kernel and modules with Xanmod patches
+	depends = coreutils
+	depends = kmod
+	depends = initramfs
+	optdepends = crda: to set the correct wireless channels of your country
+	optdepends = linux-firmware: firmware images needed for some devices
+
+pkgname = linux-xanmod-rt510-headers
+	pkgdesc = Headers and scripts for building modules for the Linux Xanmod real-time version kernel
+	depends = pahole
+
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..f4df390724c0
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,304 @@
+# Maintainer: Joan Figueras <ffigue at gmail dot com>
+# Contributor: Torge Matthies <openglfreak at googlemail dot com>
+# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
+# Contributor: Yoshi2889 <rick.2889 at gmail dot com>
+# Contributor: Tobias Powalowski <tpowa@archlinux.org>
+# Contributor: Thomas Baechler <thomas@archlinux.org>
+
+##
+## The following variables can be customized at build time. Use env or export to change at your wish
+##
+##   Example: env _microarchitecture=99 use_numa=n use_tracers=n use_pds=n makepkg -sc
+##
+## Look inside 'choose-gcc-optimization.sh' to choose your microarchitecture
+## Valid numbers between: 0 to 99
+## Default is: 0 => generic
+## Good option if your package is for one machine: 99 => native
+if [ -z ${_microarchitecture+x} ]; then
+  _microarchitecture=0
+fi
+
+## Disable NUMA since most users do not have multiple processors. Breaks CUDA/NvEnc.
+## Archlinux and Xanmod enable it by default.
+## Set variable "use_numa" to: n to disable (possibly increase performance)
+##                             y to enable  (stock default)
+if [ -z ${use_numa+x} ]; then
+  use_numa=y
+fi
+
+## For performance you can disable FUNCTION_TRACER/GRAPH_TRACER. Limits debugging and analyzing of the kernel.
+## Stock Archlinux and Xanmod have this enabled. 
+## Set variable "use_tracers" to: n to disable (possibly increase performance)
+##                                y to enable  (stock default)
+if [ -z ${use_tracers+x} ]; then
+  use_tracers=y
+fi
+
+# Compile ONLY used modules to VASTLY reduce the number of modules built
+# and the build time.
+#
+# To keep track of which modules are needed for your specific system/hardware,
+# give module_db script a try: https://aur.archlinux.org/packages/modprobed-db
+# This PKGBUILD read the database kept if it exists
+#
+# More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db
+if [ -z ${_localmodcfg} ]; then
+  _localmodcfg=n
+fi
+
+# Tweak kernel options prior to a build via nconfig
+_makenconfig=
+
+### IMPORTANT: Do no edit below this line unless you know what you're doing
+
+pkgbase=linux-xanmod-rt510
+_major=5.10
+pkgver=${_major}.27
+_branch=5.x
+_rt=36
+xanmod=1
+pkgrel=${xanmod}
+pkgdesc='Linux Xanmod real-time version'
+url="http://www.xanmod.org/"
+arch=(x86_64)
+license=(GPL2)
+makedepends=(
+  xmlto kmod inetutils bc libelf cpio
+)
+options=('!strip')
+_srcname="linux-${pkgver}-rt${_rt}-xanmod${xanmod}"
+
+source=("https://cdn.kernel.org/pub/linux/kernel/v${_branch}/linux-${_major}.tar."{xz,sign}
+        "https://github.com/xanmod/linux/releases/download/${pkgver}-rt${_rt}-xanmod${xanmod}/patch-${pkgver}-rt${_rt}-xanmod${xanmod}.xz"
+        choose-gcc-optimization.sh)
+validpgpkeys=(
+    'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linux Torvalds
+    '647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
+)
+
+# Archlinux patches
+_commit="be7d4710850020de55bce930c83fa80347c02fc3"
+_patches=("sphinx-workaround.patch")
+for _patch in ${_patches[@]}; do
+    source+=("${_patch}::https://git.archlinux.org/svntogit/packages.git/plain/trunk/${_patch}?h=packages/linux&id=${_commit}")
+done
+
+sha256sums=('dcdf99e43e98330d925016985bfbc7b83c66d367b714b2de0cbbfcbf83d8ca43'
+            'SKIP'
+            '80b75594f05cb6f318af15b02261255f9cf33da1cb3352b3fa444724cc774953'
+            '03bb8b234a67b877a34a8212936ba69d8700c54c7877686cbd9742a536c87134'
+            '52fc0fcd806f34e774e36570b2a739dbdf337f7ff679b1c1139bee54d03301eb')
+
+export KBUILD_BUILD_HOST=${KBUILD_BUILD_HOST:-archlinux}
+export KBUILD_BUILD_USER=${KBUILD_BUILD_USER:-makepkg}
+export KBUILD_BUILD_TIMESTAMP=${KBUILD_BUILD_TIMESTAMP:-$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})}
+
+prepare() {
+  cd linux-${_major}
+
+  # hacky work around for xz not getting extracted
+  # https://bbs.archlinux.org/viewtopic.php?id=265115
+  if [[ ! -f "$srcdir/patch-${pkgver}-rt${_rt}-xanmod${xanmod}" ]]; then
+    unlink "$srcdir/patch-${pkgver}-rt${_rt}-xanmod${xanmod}.xz"
+    xz -dc "$startdir/patch-${pkgver}-rt${_rt}-xanmod${xanmod}.xz" > "$srcdir/patch-${pkgver}-rt${_rt}-xanmod${xanmod}"
+  fi
+
+  # Apply Xanmod patch
+  patch -Np1 -i ../patch-${pkgver}-rt${_rt}-xanmod${xanmod}
+
+  msg2 "Setting version..."
+  scripts/setlocalversion --save-scmversion
+  echo "-$pkgrel" > localversion.10-pkgrel
+  echo "${pkgbase#linux-xanmod}" > localversion.20-pkgname
+
+  # Archlinux patches
+  local src
+  for src in "${source[@]}"; do
+    src="${src%%::*}"
+    src="${src##*/}"
+    [[ $src = *.patch ]] || continue
+    msg2 "Applying patch $src..."
+    patch -Np1 < "../$src"
+  done
+
+  # CONFIG_STACK_VALIDATION gives better stack traces. Also is enabled in all official kernel packages by Archlinux team
+  scripts/config --enable CONFIG_STACK_VALIDATION
+
+  # Enable IKCONFIG following Arch's philosophy
+  scripts/config --enable CONFIG_IKCONFIG \
+                 --enable CONFIG_IKCONFIG_PROC
+
+  # User set. See at the top of this file
+  if [ "$use_tracers" = "n" ]; then
+    msg2 "Disabling FUNCTION_TRACER/GRAPH_TRACER..."
+    scripts/config --disable CONFIG_FUNCTION_TRACER \
+                   --disable CONFIG_STACK_TRACER
+  fi
+
+  if [ "$use_numa" = "n" ]; then
+    msg2 "Disabling NUMA..."
+    scripts/config --disable CONFIG_NUMA
+  fi
+
+  # Let's user choose microarchitecture optimization in GCC
+  sh ${srcdir}/choose-gcc-optimization.sh $_microarchitecture
+
+  # This is intended for the people that want to build this package with their own config
+  # Put the file "myconfig" at the package folder (this will take preference) or "${XDG_CONFIG_HOME}/linux-xanmod/myconfig"
+  # If we detect partial file with scripts/config commands, we execute as a script
+  # If not, it's a full config, will be replaced
+  for _myconfig in "${startdir}/myconfig" "${XDG_CONFIG_HOME}/linux-xanmod/myconfig" ; do
+    if [ -f "${_myconfig}" ]; then
+      if grep -q 'scripts/config' "${_myconfig}"; then
+        # myconfig is a partial file. Executing as a script
+        msg2 "Applying myconfig..."
+        bash -x "${_myconfig}"
+      else
+        # myconfig is a full config file. Replacing default .config
+        msg2 "Using user CUSTOM config..."
+        cp -f "${_myconfig}" .config
+      fi
+      echo
+    fi
+  done
+
+  make olddefconfig
+
+  ### Optionally load needed modules for the make localmodconfig
+  # See https://aur.archlinux.org/packages/modprobed-db
+  if [ "$_localmodcfg" = "y" ]; then
+    if [ -f $HOME/.config/modprobed.db ]; then
+      msg2 "Running Steven Rostedt's make localmodconfig now"
+      make LSMOD=$HOME/.config/modprobed.db localmodconfig
+    else
+      msg2 "No modprobed.db data found"
+      exit
+    fi
+  fi
+
+  make -s kernelrelease > version
+  msg2 "Prepared %s version %s" "$pkgbase" "$(<version)"
+
+  [[ -z "$_makenconfig" ]] || make nconfig
+
+  # save configuration for later reuse
+  cat .config > "${startdir}/config.last"
+}
+
+build() {
+  cd linux-${_major}
+  make all
+}
+
+_package() {
+  pkgdesc="The Linux kernel and modules with Xanmod patches"
+  depends=(coreutils kmod initramfs)
+  optdepends=('crda: to set the correct wireless channels of your country'
+              'linux-firmware: firmware images needed for some devices')
+
+  cd linux-${_major}
+  local kernver="$(<version)"
+  local modulesdir="$pkgdir/usr/lib/modules/$kernver"
+
+  msg2 "Installing boot image..."
+  # systemd expects to find the kernel here to allow hibernation
+  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
+  install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
+
+  # Used by mkinitcpio to name the kernel
+  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
+
+  msg2 "Installing modules..."
+  make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install
+
+  # remove build and source links
+  rm "$modulesdir"/{source,build}
+}
+
+_package-headers() {
+  pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
+  depends=(pahole)
+
+  cd linux-${_major}
+  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
+
+  msg2 "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
+
+  # add objtool for external module building and enabled VALIDATION_STACK option
+  install -Dt "$builddir/tools/objtool" tools/objtool/objtool
+
+  # add xfs and shmem for aufs building
+  mkdir -p "$builddir"/{fs/xfs,mm}
+
+  msg2 "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 "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
+
+  msg2 "Installing KConfig files..."
+  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
+
+  msg2 "Removing unneeded architectures..."
+  local arch
+  for arch in "$builddir"/arch/*/; do
+    [[ $arch = */x86/ ]] && continue
+    echo "Removing $(basename "$arch")"
+    rm -r "$arch"
+  done
+
+  msg2 "Removing documentation..."
+  rm -r "$builddir/Documentation"
+
+  msg2 "Removing broken symlinks..."
+  find -L "$builddir" -type l -printf 'Removing %P\n' -delete
+
+  msg2 "Removing loose objects..."
+  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
+
+  msg2 "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)
+
+  msg2 "Stripping vmlinux..."
+  strip -v $STRIP_STATIC "$builddir/vmlinux"
+  msg2 "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#$pkgbase}
+  }"
+done
+
+# vim:set ts=8 sts=2 sw=2 et:
diff --git a/choose-gcc-optimization.sh b/choose-gcc-optimization.sh
new file mode 100755
index 000000000000..1a537df29334
--- /dev/null
+++ b/choose-gcc-optimization.sh
@@ -0,0 +1,122 @@
+#!/usr/bin/env bash
+
+. /usr/share/makepkg/util/message.sh
+colorize
+
+Detect_CPU=$(gcc -c -Q -march=native --help=target | grep march | awk '{print $2}' | head -1)
+
+msg "Detected CPU architecture: $Detect_CPU"
+
+cat << EOF
+
+    Available CPU microarchitectures:
+
+    1) AMD K6/K6-II/K6-III
+    2) AMD Athlon/Duron/K7
+    3) AMD Opteron/Athlon64/Hammer/K8
+    4) AMD Opteron/Athlon64/Hammer/K8 with SSE3
+    5) AMD 61xx/7x50/PhenomX3/X4/II/K10
+    6) AMD Family 10h (Barcelona)
+    7) AMD Family 14h (Bobcat)
+    8) AMD Family 16h (Jaguar)
+    9) AMD Family 15h (Bulldozer)
+   10) AMD Family 15h (Piledriver)
+   11) AMD Family 15h (Steamroller)
+   12) AMD Family 15h (Excavator)
+   13) AMD Family 17h (Zen)
+   14) AMD Family 17h (Zen 2)
+   15) Transmeta Crusoe
+   16) Transmeta Efficeon
+   17) IDT Winchip C6
+   18) Winchip-2/Winchip-2A/Winchip-3
+   19) AMD Elan
+   20) Geode GX1 (Cyrix MediaGX)
+   21) AMD Geode GX and LX
+   22) Cyrix III or C3
+   23) VIA C3 "Nehemiah"
+   24) VIA C7
+   25) Intel Pentium 4, Pentium D and older Nocona/Dempsey Xeon CPUs with Intel 64bit
+   26) Intel Atom
+   27) Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and 53xx)
+   28) Intel 1st Gen Core i3/i5/i7-family (Nehalem)
+   29) Intel 1.5 Gen Core i3/i5/i7-family (Westmere)
+   30) Intel Silvermont
+   31) Intel Goldmont (Apollo Lake and Denverton)
+   32) Intel Goldmont Plus (Gemini Lake)
+   33) Intel 2nd Gen Core i3/i5/i7-family (Sandybridge)
+   34) Intel 3rd Gen Core i3/i5/i7-family (Ivybridge)
+   35) Intel 4th Gen Core i3/i5/i7-family (Haswell)
+   36) Intel 5th Gen Core i3/i5/i7-family (Broadwell)
+   37) Intel 6th Gen Core i3/i5/i7-family (Skylake)
+   38) Intel 6th Gen Core i7/i9-family (Skylake X)
+   39) Intel 8th Gen Core i3/i5/i7-family (Cannon Lake)
+   40) Intel 8th Gen Core i7/i9-family (Ice Lake)
+   41) Xeon processors in the Cascade Lake family
+   42) Intel Xeon (Cooper Lake)
+   43) Intel 3rd Gen 10nm++ i3/i5/i7/i9-family (Tiger Lake)
+
+   99) Native optimizations autodetected by GCC
+
+    0) Generic (default)
+    
+EOF
+
+sleep 1
+answer=$1
+
+case $answer in
+    1) Microarchitecture=CONFIG_MK6 ;;
+    2) Microarchitecture=CONFIG_MK7 ;;
+    3) Microarchitecture=CONFIG_MK8 ;;
+    4) Microarchitecture=CONFIG_MK8SSE3 ;;
+    5) Microarchitecture=CONFIG_MK10 ;;
+    6) Microarchitecture=CONFIG_MBARCELONA ;;
+    7) Microarchitecture=CONFIG_MBOBCAT ;;
+    8) Microarchitecture=CONFIG_MJAGUAR ;;
+    9) Microarchitecture=CONFIG_MBULLDOZER ;;
+   10) Microarchitecture=CONFIG_MPILEDRIVER ;;
+   11) Microarchitecture=CONFIG_MSTEAMROLLER ;;
+   12) Microarchitecture=CONFIG_MEXCAVATOR ;;
+   13) Microarchitecture=CONFIG_MZEN ;;
+   14) Microarchitecture=CONFIG_MZEN2 ;;
+   15) Microarchitecture=CONFIG_MCRUSOE ;;
+   16) Microarchitecture=CONFIG_MEFFICEON ;;
+   17) Microarchitecture=CONFIG_MWINCHIPC6 ;;
+   18) Microarchitecture=CONFIG_MWINCHIP3D ;;
+   19) Microarchitecture=CONFIG_MELAN ;;
+   20) Microarchitecture=CONFIG_MGEODEGX1 ;;
+   21) Microarchitecture=CONFIG_MGEODE_LX ;;
+   22) Microarchitecture=CONFIG_MCYRIXIII ;;
+   23) Microarchitecture=CONFIG_MVIAC3_2 ;;
+   24) Microarchitecture=CONFIG_MVIAC7 ;;
+   25) Microarchitecture=CONFIG_MPSC ;;
+   26) Microarchitecture=CONFIG_MATOM ;;
+   27) Microarchitecture=CONFIG_MCORE2 ;;
+   28) Microarchitecture=CONFIG_MNEHALEM ;;
+   29) Microarchitecture=CONFIG_MWESTMERE ;;
+   30) Microarchitecture=CONFIG_MSILVERMONT ;;
+   31) Microarchitecture=CONFIG_MGOLDMONT ;;
+   32) Microarchitecture=CONFIG_MGOLDMONTPLUS ;;
+   33) Microarchitecture=CONFIG_MSANDYBRIDGE ;;
+   34) Microarchitecture=CONFIG_MIVYBRIDGE ;;
+   35) Microarchitecture=CONFIG_MHASWELL ;;
+   36) Microarchitecture=CONFIG_MBROADWELL ;;
+   37) Microarchitecture=CONFIG_MSKYLAKE ;;
+   38) Microarchitecture=CONFIG_MSKYLAKEX ;;
+   39) Microarchitecture=CONFIG_MCANNONLAKE ;;
+   40) Microarchitecture=CONFIG_MICELAKE ;;
+   41) Microarchitecture=CONFIG_MCASCADELAKE ;;
+   42) Microarchitecture=CONFIG_MCOOPERLAKE ;;
+   43) Microarchitecture=CONFIG_MTIGERLAKE ;;
+   99) Microarchitecture=CONFIG_MNATIVE ;;
+    *) default=CONFIG_GENERIC_CPU ;;
+esac
+
+warning "According to PKGBUILD variable _microarchitecture, your choice is $answer"
+msg "Building this package for microarchitecture: $Microarchitecture$default"
+sleep 5
+
+sed -e 's|^CONFIG_GENERIC_CPU=y|# CONFIG_GENERIC_CPU is not set|g' -i .config
+sed -e "s|^# $Microarchitecture is not set|$Microarchitecture=y|g" -i .config
+
+echo