1 files changed, 33 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/microcode/intel.nix b/nixpkgs/pkgs/os-specific/linux/microcode/intel.nix
new file mode 100644
index 000000000000..8362392e0bfd
--- /dev/null
+++ b/nixpkgs/pkgs/os-specific/linux/microcode/intel.nix
@@ -0,0 +1,33 @@
+{ stdenv, fetchurl, libarchive, iucode-tool }:
+
+stdenv.mkDerivation rec {
+  name = "microcode-intel-${version}";
+  version = "20180807a";
+
+  src = fetchurl {
+    url = "https://downloadmirror.intel.com/28087/eng/microcode-${version}.tgz";
+    sha256 = "0dw1akgzdqk95pwmc8gfdmv7kabw9pn4c67f076bcbn4krliias6";
+  };
+
+  nativeBuildInputs = [ iucode-tool libarchive ];
+
+  sourceRoot = ".";
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out kernel/x86/microcode
+    iucode_tool -w kernel/x86/microcode/GenuineIntel.bin intel-ucode/
+    echo kernel/x86/microcode/GenuineIntel.bin | bsdcpio -o -H newc -R 0:0 > $out/intel-ucode.img
+
+    runHook postInstall
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://www.intel.com/;
+    description = "Microcode for Intel processors";
+    license = licenses.unfreeRedistributableFirmware;
+    maintainers = with maintainers; [ wkennington ];
+    platforms = platforms.linux;
+  };
+}