mirror of
https://github.com/NixOS/nixpkgs.git
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53 lines
1.7 KiB
Nix
53 lines
1.7 KiB
Nix
{ stdenv, fetchurl, kernel, which }:
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# Don't bother with older versions, though some might even work:
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assert stdenv.lib.versionAtLeast kernel.version "4.10";
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let
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release = "0.4.0";
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revbump = "rev25"; # don't forget to change forum download id...
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in stdenv.mkDerivation rec {
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name = "linux-phc-intel-${version}-${kernel.version}";
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version = "${release}-${revbump}";
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src = fetchurl {
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sha256 = "1w91hpphd8i0br7g5qra26jdydqar45zqwq6jq8yyz6l0vb10zlz";
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url = "http://www.linux-phc.org/forum/download/file.php?id=194";
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name = "phc-intel-pack-${revbump}.tar.bz2";
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};
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nativeBuildInputs = [ which ] ++ kernel.moduleBuildDependencies;
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hardeningDisable = [ "pic" ];
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makeFlags = with kernel; [
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"DESTDIR=$(out)"
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"KERNELSRC=${dev}/lib/modules/${modDirVersion}/build"
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];
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configurePhase = ''
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make $makeFlags brave
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'';
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enableParallelBuilding = false;
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installPhase = ''
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install -m 755 -d $out/lib/modules/${kernel.modDirVersion}/extra/
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install -m 644 *.ko $out/lib/modules/${kernel.modDirVersion}/extra/
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'';
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meta = with stdenv.lib; {
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description = "Undervolting kernel driver for Intel processors";
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longDescription = ''
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PHC is a Linux kernel patch to undervolt processors. This can divide the
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power consumption of the CPU by two or more, increasing battery life
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while noticably reducing fan noise. This driver works only on supported
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Intel architectures.
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'';
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homepage = http://www.linux-phc.org/;
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downloadPage = "http://www.linux-phc.org/forum/viewtopic.php?f=7&t=267";
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license = licenses.gpl2;
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platforms = [ "x86_64-linux" "i686-linux" ];
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broken = stdenv.lib.versionAtLeast kernel.version "4.18";
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};
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}
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