60 lines
1.6 KiB
Nix
60 lines
1.6 KiB
Nix
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{
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stdenv,
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lib,
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fetchpatch,
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kernel,
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rr,
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}:
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/*
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The python script shouldn't be needed for users of this kernel module.
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https://github.com/rr-debugger/rr/blob/master/scripts/zen_workaround.py
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The module itself is called "zen_workaround" (a bit generic unfortunately).
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*/
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stdenv.mkDerivation {
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pname = "rr-zen_workaround";
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inherit (rr) src version;
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sourceRoot = "${rr.src.name}/third-party/zen-pmu-workaround";
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patches = [
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(fetchpatch {
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name = "kernel-6.16.patch";
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url = "https://github.com/rr-debugger/rr/commit/86aa1ebe03c6a7f60eb65249233f866fd3da8316.diff";
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stripLen = 2;
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hash = "sha256-zj5MNwlZmWnagu0tE5Jl5a48wEF0lqNTh4KcbhmOkOo=";
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})
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];
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hardeningDisable = [ "pic" ];
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nativeBuildInputs = kernel.moduleBuildDependencies;
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makeFlags = [
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"-C${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
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];
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postConfigure = ''
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appendToVar makeFlags "M=$(pwd)"
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'';
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buildFlags = [ "modules" ];
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installPhase =
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let
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modDestDir = "$out/lib/modules/${kernel.modDirVersion}/kernel"; # TODO: longer path?
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in
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''
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runHook preInstall
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mkdir -p "${modDestDir}"
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cp *.ko "${modDestDir}/"
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find ${modDestDir} -name '*.ko' -exec xz -f '{}' \;
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runHook postInstall
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'';
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meta = with lib; {
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description = "Kernel module supporting the rr debugger on (some) AMD Zen-based CPUs";
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homepage = "https://github.com/rr-debugger/rr/wiki/Zen#kernel-module";
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license = licenses.gpl2;
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maintainers = [ maintainers.vcunat ];
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platforms = [ "x86_64-linux" ];
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broken = versionOlder kernel.version "4.19"; # 4.14 breaks and 4.19 works
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};
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}
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