pyrox.dev
1{ lib, stdenv, fetchFromGitHub, libarchive, iucode-tool }:
2
3stdenv.mkDerivation rec {
4 pname = "microcode-intel";
5 version = "20221108";
6
7 src = fetchFromGitHub {
8 owner = "intel";
9 repo = "Intel-Linux-Processor-Microcode-Data-Files";
10 rev = "microcode-${version}";
11 hash = "sha256-JZbBrD3fHgJogDw4u2YggDX7OCXCu5/XEZKzHuVJR9k=";
12 };
13
14 nativeBuildInputs = [ iucode-tool libarchive ];
15
16 installPhase = ''
17 runHook preInstall
18
19 mkdir -p $out kernel/x86/microcode
20 iucode_tool -w kernel/x86/microcode/GenuineIntel.bin intel-ucode/
21 touch -d @$SOURCE_DATE_EPOCH kernel/x86/microcode/GenuineIntel.bin
22 echo kernel/x86/microcode/GenuineIntel.bin | bsdtar --uid 0 --gid 0 -cnf - -T - | bsdtar --null -cf - --format=newc @- > $out/intel-ucode.img
23
24 runHook postInstall
25 '';
26
27 meta = with lib; {
28 homepage = "http://www.intel.com/";
29 description = "Microcode for Intel processors";
30 license = licenses.unfreeRedistributableFirmware;
31 platforms = platforms.linux;
32 maintainers = with maintainers; [ ];
33 };
34}