{ lib, stdenvNoCC, fetchFromGitHub, libarchive, iucode-tool, buildPackages, }: stdenvNoCC.mkDerivation (finalAttrs: { pname = "microcode-intel"; version = "20260512"; src = fetchFromGitHub { owner = "intel"; repo = "Intel-Linux-Processor-Microcode-Data-Files"; tag = "microcode-${finalAttrs.version}"; hash = "sha256-hJfuxnHxHAxoTFAdgzontCl2pl5ad222I8BGyHO+MxQ="; }; nativeBuildInputs = [ libarchive ]; installPhase = '' runHook preInstall mkdir -p $out kernel/x86/microcode ${stdenvNoCC.hostPlatform.emulator buildPackages} ${lib.getExe iucode-tool} -w kernel/x86/microcode/GenuineIntel.bin intel-ucode/ touch -d @$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 @- > $out/intel-ucode.img runHook postInstall ''; meta = { homepage = "https://www.intel.com/"; changelog = "https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/${finalAttrs.src.rev}"; description = "Microcode for Intel processors"; license = lib.licenses.unfreeRedistributableFirmware; platforms = [ "i686-linux" "x86_64-linux" ]; maintainers = with lib.maintainers; [ felixsinger ]; }; })