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{ lib, stdenv, fetchFromGitHub, libarchive, iucode-tool }:
stdenv.mkDerivation rec {
pname = "microcode-intel";
version = "20240312";
src = fetchFromGitHub {
owner = "intel";
repo = "Intel-Linux-Processor-Microcode-Data-Files";
rev = "microcode-${version}";
hash = "sha256-4ZSA+LVczfjZINXhImmFOCc/6kKNrrUQvrXPdOvMM8g=";
};
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 = platforms.linux;
maintainers = with maintainers; [ ];
};
}
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