{ lib, stdenv, fetchFromGitHub, libarchive, iucode-tool, }: stdenv.mkDerivation rec { pname = "microcode-intel"; version = "20240910"; src = fetchFromGitHub { owner = "intel"; repo = "Intel-Linux-Processor-Microcode-Data-Files"; rev = "microcode-${version}"; hash = "sha256-cn0qK81dwbamh5PBlPuC9KtDWyT2NwSxDD0XlCRAv6s="; }; nativeBuildInputs = [ iucode-tool libarchive ]; installPhase = '' runHook preInstall mkdir -p $out kernel/x86/microcode iucode_tool -w kernel/x86/microcode/GenuineIntel.bin intel-ucode/ touch -d @$SOURCE_DATE_EPOCH kernel/x86/microcode/GenuineIntel.bin echo kernel/x86/microcode/GenuineIntel.bin | bsdtar --uid 0 --gid 0 -cnf - -T - | bsdtar --null -cf - --format=newc @- > $out/intel-ucode.img runHook postInstall ''; meta = with lib; { homepage = "https://www.intel.com/"; changelog = "https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/${src.rev}"; description = "Microcode for Intel processors"; license = licenses.unfreeRedistributableFirmware; platforms = [ "i686-linux" "x86_64-linux" ]; maintainers = with maintainers; [ felixsinger ]; }; }