diff options
Diffstat (limited to 'PKGBUILD')
| -rw-r--r-- | PKGBUILD | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/PKGBUILD b/PKGBUILD new file mode 100644 index 000000000000..c98814a113a7 --- /dev/null +++ b/PKGBUILD @@ -0,0 +1,364 @@ +# Maintainer: ptr1337 <admin@ptr1337.dev> +# Contributor: Piotr Gorski <lucjan.lucjanov@gmail.com> +# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com> +# Contributor: Tobias Powalowski <tpowa@archlinux.org> +# Contributor: Thomas Baechler <thomas@archlinux.org> + +### BUILD OPTIONS +# Set these variables to ANYTHING that is not null to enable them + +# NUMA is optimized for multi-socket motherboards. +# A single multi-core CPU actually runs slower with NUMA enabled. +# See, https://bugs.archlinux.org/task/31187 +_NUMAdisable=y + +_fsync=y + +_futex2=y + +### Set performance governor as default +_per_gov=y +### Disable Deadline I/O scheduler +_deadline_disable=y +### Disable Kyber I/O scheduler +_kyber_disable=y +### Running with a 1000 HZ, 750HZ or 500HZ tick rate +_1k_HZ_ticks=y +_500_HZ_ticks= +### Tweak kernel options prior to a build via nconfig +_makenconfig= +### Tweak kernel options prior to a build via menuconfig +_makemenuconfig= +### Tweak kernel options prior to a build via xconfig +_makexconfig= +### Tweak kernel options prior to a build via gconfig +_makegconfig= +# Compile ONLY used modules to VASTLYreduce 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 +_localmodcfg= + +# Use the current kernel's .config file +# Enabling this option will use the .config of the RUNNING kernel rather than +# the ARCH defaults. Useful when the package gets updated and you already went +# through the trouble of customizing your config options. NOT recommended when +# a new kernel is released, but again, convenient for package bumps. +_use_current= + +### IMPORTANT: Do no edit below this line unless you know what you're doing + +pkgbase=linux-xanmod-cacule-rt-stable +# pkgname=('linux-xanmod-cacule-rt-stable' linux-xanmod-cacule-rt-stable) +_major=5.10 +_minor=27 +#_minorc=$((_minor+1)) +#_rcver=rc7 +_rt=36 +pkgver=${_major}.${_minor} +_stable=${_major}.${_minor} +#_stablerc=${_major}-${_rcver} +_srcname=linux-${_major} +pkgrel=1 +pkgdesc='Linux XanMod CacULE RT stable Version' +versiontag=5.10.27-rt36-xanmod1 +arch=('x86_64') +url="https://github.com/hamadmarri/cacule-cpu-scheduler" +license=('GPL2') +options=('!strip') +makedepends=('kmod' 'bc' 'libelf' 'python-sphinx' 'python-sphinx_rtd_theme' + 'graphviz' 'imagemagick' 'pahole' 'cpio' 'perl' 'tar' 'xz') +_patchsource="https://raw.githubusercontent.com/ptr1337/kernel-patches/main/$_major" +source=("https://www.kernel.org/pub/linux/kernel/v5.x/linux-$_major.tar.xz" + "https://github.com/xanmod/linux/releases/download/$versiontag/patch-$versiontag.xz" + "${_patchsource}/cacule/cacule5.10-rt.patch" + "${_patchsource}/cacule/0002-cacule-Change-default-preemption-latency-to-2ms-for-.patch") +sha256sums=('dcdf99e43e98330d925016985bfbc7b83c66d367b714b2de0cbbfcbf83d8ca43' + '80b75594f05cb6f318af15b02261255f9cf33da1cb3352b3fa444724cc774953' + 'bdf093d5ed34b9c6907253fbc0b564363a18fe64fa78cbd106f1b49d6906404a' + 'cf00507d6881b737a9814d152e27b1db02f45a4d8a8ba3f4c9f542f0964ac697') + +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 $_srcname + + # hacky work around for xz not getting extracted + # https://bbs.archlinux.org/viewtopic.php?id=265115 + if [[ ! -f "$srcdir/patch-$versiontag" ]]; then + unlink "$srcdir/patch-$versiontag.xz" + xz -dc "$startdir/patch-$versiontag.xz" > "$srcdir/patch-$versiontag" + fi + + # Apply Xanmod-RT patch + patch -Np1 -i ../patch-$versiontag + + ### Setting version + echo "Setting version..." + scripts/setlocalversion --save-scmversion + echo "-$pkgrel" > localversion.10-pkgrel + echo "${pkgbase#linux-xanmod}" > localversion.20-pkgname + + ### Patching sources + local src + for src in "${source[@]}"; do + src="${src%%::*}" + src="${src##*/}" + [[ $src = *.patch ]] || continue + echo "Applying patch $src..." + patch -Np1 < "../$src" + done + + + ### Optionally use running kernel's config + # code originally by nous; http://aur.archlinux.org/packages.php?ID=40191 + if [ -n "$_use_current" ]; then + if [[ -s /proc/config.gz ]]; then + echo "Extracting config from /proc/config.gz..." + # modprobe configs + zcat /proc/config.gz > ./.config + else + warning "Your kernel was not compiled with IKCONFIG_PROC!" + warning "You cannot read the current config!" + warning "Aborting!" + exit + fi + fi + + source "${startdir}"/configure + + cpu_arch + + ### Optionally set tickrate to 1000 + if [ -n "$_1k_HZ_ticks" ]; then + echo "Setting tick rate to 1k..." + scripts/config --disable CONFIG_HZ_300 + scripts/config --enable CONFIG_HZ_1000 + scripts/config --set-val CONFIG_HZ 1000 + fi + + ### Optionally set tickrate to 750HZ + if [ -n "$_750_HZ_ticks" ]; then + echo "Setting tick rate to 1k..." + scripts/config --disable CONFIG_HZ_300 + scripts/config --enable CONFIG_HZ_750 + scripts/config --set-val CONFIG_HZ 750 + fi + + ### Optionally set tickrate to 500HZ + if [ -n "$_500_HZ_ticks" ]; then + echo "Setting tick rate to 1k..." + scripts/config --disable CONFIG_HZ_300 + scripts/config --enable CONFIG_HZ_500 + scripts/config --set-val CONFIG_HZ 500 + fi + + ### Optionally disable NUMA for 64-bit kernels only + # (x86 kernels do not support NUMA) + if [ -n "$_NUMAdisable" ]; then + echo "Disabling NUMA from kernel config..." + scripts/config --disable CONFIG_NUMA + fi + + if [ -n "$_fsync" ]; then + echo "Enable Fsync support" + scripts/config --enable CONFIG_FUTEX + scripts/config --enable CONFIG_FUTEX_PI + fi + + if [ -n "$_futex2" ]; then + echo "Enable Futex2 support" + scripts/config --enable CONFIG_FUTEX2 + fi + + ### Set performance governor + if [ -n "$_per_gov" ]; then + echo "Setting performance governor..." + scripts/config --disable CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL + scripts/config --enable CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE + echo "Disabling uneeded governors..." + scripts/config --disable CONFIG_CPU_FREQ_GOV_ONDEMAND + scripts/config --disable CONFIG_CPU_FREQ_GOV_CONSERVATIVE + scripts/config --disable CONFIG_CPU_FREQ_GOV_USERSPACE + scripts/config --disable CONFIG_CPU_FREQ_GOV_SCHEDUTIL + fi + + ### Disable Deadline I/O scheduler + if [ -n "$_deadline_disable" ]; then + echo "Disabling Deadline I/O scheduler..." + scripts/config --disable CONFIG_MQ_IOSCHED_DEADLINE + fi + + ### Disable Kyber I/O scheduler + if [ -n "$_kyber_disable" ]; then + echo "Disabling Kyber I/O scheduler..." + scripts/config --disable CONFIG_MQ_IOSCHED_KYBER + fi + + echo "Setting Cacule Config" + scripts/config --enable CONFIG_CACULE_SCHED + scripts/config --disable CONFIG_SCHED_DEBUG + scripts/config --disable CONFIG_SCHED_INFO + scripts/config --disable CONFIG_SCHEDSTATS + scripts/config --disable CONFIG_DEBUG_KERNEL + scripts/config --disable CONFIG_EXPERT + + + make olddefconfig + + ### Optionally load needed modules for the make localmodconfig + # See https://aur.archlinux.org/packages/modprobed-db + if [ -n "$_localmodcfg" ]; then + if [ -f $HOME/.config/modprobed.db ]; then + echo "Running Steven Rostedt's make localmodconfig now" + make LSMOD=$HOME/.config/modprobed.db localmodconfig + else + echo "No modprobed.db data found" + exit + fi + fi + + make -s kernelrelease > version + msg2 "Prepared %s version %s" "$pkgbase" "$(<version)" + + ### Running make nconfig + [[ -z "$_makenconfig" ]] || make nconfig + + ### Running make menuconfig + [[ -z "$_makemenuconfig" ]] || make menuconfig + + ### Running make xconfig + [[ -z "$_makexconfig" ]] || make xconfig + + ### Running make gconfig + [[ -z "$_makegconfig" ]] || make gconfig + + ### Save configuration for later reuse + cat .config > "${startdir}/config.last" +} + +build() { + cd $_srcname + + make all +} + +_package() { + pkgdesc="The $pkgdesc kernel and modules" + depends=('coreutils' 'kmod' 'initramfs') + optdepends=('crda: to set the correct wireless channels of your country' + 'linux-firmware: firmware images needed for some devices' + 'modprobed-db: Keeps track of EVERY kernel module that has ever been probed - useful for those of us who make localmodconfig') + + + cd $_srcname + local kernver="$(<version)" + local modulesdir="$pkgdir/usr/lib/modules/$kernver" + + echo "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" + + echo "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 $_srcname + local builddir="$pkgdir/usr/lib/modules/$(<version)/build" + + echo "Installing build files..." + install -Dt "$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 "$builddir"/{fs/xfs,mm} + + echo "Installing headers..." + cp -t "$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 + + echo "Installing KConfig files..." + find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \; + + echo "Removing unneeded architectures..." + local arch + for arch in "$builddir"/arch/*/; do + [[ $arch = */x86/ ]] && continue + echo "Removing $(basename "$arch")" + rm -r "$arch" + done + + echo "Removing documentation..." + rm -r "$builddir/Documentation" + + echo "Removing broken symlinks..." + find -L "$builddir" -type l -printf 'Removing %P\n' -delete + + echo "Removing loose objects..." + find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete + + echo "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) + + echo "Stripping vmlinux..." + strip -v $STRIP_STATIC "$builddir/vmlinux" + + echo "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 |