nixpkgs/pkgs/os-specific/linux/microcode/intel.nix

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{ stdenv, fetchurl, microcode2ucode }:
let version = "20111110";
num = "20728";
in stdenv.mkDerivation {
name = "microcode-intel-${version}";
src = fetchurl {
url = "http://downloadmirror.intel.com/${num}/eng/microcode-${version}.tgz";
sha256 = "16f532cdf9cce03e01e714619ad9406a465aa965bbd1288035398db79921cbc1";
};
buildInputs = [ microcode2ucode ];
sourceRoot = ".";
buildPhase = ''
intel-microcode2ucode microcode.dat
'';
installPhase = ''
ensureDir $out
cp -r intel-ucode "$out/"
'';
meta = {
homepage = http://www.intel.com;
description = "Microcode for Intel processors";
};
}