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xdevs23xdevs23
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Add NixOS module
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‎default.nix‎

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{
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pkgs,
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lib,
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config,
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...
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}:
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{
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options = {
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linux-nitrous = {
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processorFamily = lib.mkOption {
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type = lib.types.nullOr (
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lib.types.enum [
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# Intel
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"nocona"
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"core2"
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"penryn"
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"bonnell"
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"atom"
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"silvermont"
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"slm"
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"goldmont"
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"goldmont-plus"
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"tremont"
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"nehalem"
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"corei7"
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"westmere"
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"sandybridge"
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"corei7-avx"
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"ivybridge"
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"core-avx-i"
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"haswell"
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"core-avx2"
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"broadwell"
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"skylake"
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"skylake-avx512"
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"skx"
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"cascadelake"
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"cooperlake"
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"cannonlake"
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"icelake-client"
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"rocketlake"
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"icelake-server"
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"tigerlake"
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"sapphirerapids"
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"alderlake"
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"raptorlake"
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"meteorlake"
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"arrowlake"
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"arrowlake-s"
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"lunarlake"
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"gracemont"
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"pantherlake"
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"sierraforest"
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"grandridge"
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"graniterapids"
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"graniterapids-d"
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"emeraldrapids"
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"clearwaterforest"
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"diamondrapids"
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# AMD
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"knl"
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"knm"
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"k8"
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"athlon64"
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"athlon-fx"
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"opteron"
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"k8-sse3"
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"athlon64-sse3"
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"opteron-sse3"
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"amdfam10"
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"barcelona"
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"btver1"
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"btver2"
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"bdver1"
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"bdver2"
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"bdver3"
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"bdver4"
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"znver1"
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"znver2"
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"znver3"
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"znver4"
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"znver5"
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# Generic
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"x86-64"
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"x86-64-v2"
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"x86-64-v3"
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"x86-64-v4"
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]
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);
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default = null;
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};
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enableDrmXe = lib.mkEnableOption "Intel Xe support";
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};
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};
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config = {
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boot.kernelPackages = lib.mkOverride 80 (
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let
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version = "6.17.1-1";
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linuxVersion = lib.head (lib.splitString "-" version);
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suffix = "nitrous";
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llvm = pkgs.unstable.llvmPackages_20;
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linux_nitrous_pkg =
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{ fetchurl, buildLinux, ... }@args:
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buildLinux (
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args
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// rec {
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inherit version;
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pname = "linux-${suffix}";
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modDirVersion = lib.versions.pad 3 "${linuxVersion}-${suffix}";
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stdenv = pkgs.unstable.overrideCC llvm.stdenv (
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llvm.stdenv.cc.override { inherit (llvm) bintools; }
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);
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nativeBuildInputs = [ llvm.lld ];
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extraMakeFlags = [
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"LLVM=1"
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"LD=${llvm.lld}/bin/ld.lld"
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"CC=${lib.getExe llvm.clang-unwrapped}"
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]
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++ (
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let
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processorFamily = config.linux-nitrous.processorFamily;
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in
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if processorFamily != null then
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[
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"KCPPFLAGS=-march=${processorFamily}"
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"KCFLAGS=-march=${processorFamily}"
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"KRUSTFLAGS=-Ctarget-cpu=${processorFamily}"
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]
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else
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[ ]
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);
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src = fetchurl {
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url = "https://gitlab.com/xdevs23/linux-nitrous/-/archive/v${version}/linux-nitrous-v${version}.tar.gz";
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hash = "sha256-Xzm+cD5VkZI80O8zVYkSBdtQ//F/aGwzFghHjp+04to=";
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};
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structuredExtraConfig = with lib.kernel; {
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LOCALVERSION_AUTO = no;
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NTSYNC = yes;
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#LATENCYTOP = no;
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BCACHEFS_FS = module;
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DRM_XE = if config.linux-nitrous.enableDrmXe then module else no;
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#SCHED_CLASS_EXT = lib.mkForce no;
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PREEMPT_VOLUNTARY = lib.mkForce no;
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PREEMPT_LAZY = yes;
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CC_OPTIMIZE_FOR_PERFORMANCE_O3 = yes;
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KVM = yes;
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#LTO_CLANG_THIN = yes;
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USB_FEW_INIT_RETRIES = yes;
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ANDROID_BINDER_IPC = yes;
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ANDROID_BINDERFS = yes;
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FS_SYSCTL_PROTECTED_SYMLINKS = yes;
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FS_SYSCTL_PROTECTED_HARDLINKS = yes;
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};
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kernelPatches = [
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{
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name = "nitrous-config";
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patch = null;
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extraConfig = ''
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LOCALVERSION -${suffix}
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FS_SYSCTL_PROTECTED_FIFOS 2
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FS_SYSCTL_PROTECTED_REGULAR 2
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KPTR_RESTRICT 1
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'';
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}
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];
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extraMeta.branch = lib.versions.majorMinor version;
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}
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// (args.argsOverride or { })
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);
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linux_nitrous = pkgs.callPackage linux_nitrous_pkg { };
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in
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pkgs.recurseIntoAttrs (
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(pkgs.unstable.linuxPackagesFor linux_nitrous).extend (
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lpfinal: lpprev: {
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ryzen-smu = lpprev.ryzen-smu.overrideAttrs (
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oldAttrs:
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let
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newSrc = oldAttrs.src.override {
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owner = "amkillam";
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repo = "ryzen_smu";
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rev = "172c316f53ac8f066afd7cb9e1da517084273368";
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hash = "sha256-U2UMWY7XgLXOpNgl2OsFBRvZSC4/qLa9rzJxFOpZ830=";
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};
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monitor-cpu = llvm.stdenv.mkDerivation {
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pname = "monitor-cpu";
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inherit (oldAttrs) version src;
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makeFlags = [
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"-C userspace"
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"CC=${lib.getExe llvm.clang}"
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];
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installPhase = ''
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runHook preInstall
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install userspace/monitor_cpu -Dm755 -t $out/bin
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runHook postInstall
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'';
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};
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in
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{
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src = newSrc;
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stdenv = pkgs.unstable.overrideCC llvm.stdenv (
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llvm.stdenv.cc.override { inherit (llvm) bintools; }
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);
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nativeBuildInputs = (oldAttrs.nativeBuildInputs or [ ]) ++ [ llvm.lld ];
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makeFlags = (oldAttrs.makeFlags or [ ]) ++ [
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"CC=${lib.getExe llvm.clang-unwrapped}"
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"CXX=${lib.getExe llvm.clang-unwrapped}"
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"LD=${llvm.lld}/bin/ld.lld"
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];
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installPhase = ''
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runHook preInstall
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install ryzen_smu.ko -Dm444 -t $out/lib/modules/${lpprev.kernel.modDirVersion}/kernel/drivers/ryzen_smu
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install ${monitor-cpu}/bin/monitor_cpu -Dm755 -t $out/bin
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runHook postInstall
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'';
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}
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);
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}
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)
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)
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);
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};
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}
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