nixpkgs/pkgs/os-specific/linux/microcode/amd.nix
2022-01-22 18:13:29 +01:00

31 lines
803 B
Nix

{ lib, stdenv, linux-firmware, libarchive }:
stdenv.mkDerivation {
pname = "amd-ucode";
version = linux-firmware.version;
src = linux-firmware;
sourceRoot = ".";
buildInputs = [ libarchive ];
buildPhase = ''
mkdir -p kernel/x86/microcode
find ${linux-firmware}/lib/firmware/amd-ucode -name \*.bin \
-exec sh -c 'cat {} >> kernel/x86/microcode/AuthenticAMD.bin' \;
'';
installPhase = ''
mkdir -p $out
echo kernel/x86/microcode/AuthenticAMD.bin | bsdcpio -o -H newc -R 0:0 > $out/amd-ucode.img
'';
meta = with lib; {
description = "AMD Processor microcode patch";
homepage = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";
license = licenses.unfreeRedistributableFirmware;
platforms = platforms.linux;
};
}