nix/module/AmdCpu.nix

{
	config,
	lib,
	pkgs,
	...
}: let
	cfg = config.module.amd.cpu;

	controlFile = "/sys/devices/system/cpu/cpufreq/boost";
	disableCmd  = "1";
	enableCmd   = "0";
in {
	options.module.amd.cpu = {
		enable    = lib.mkEnableOption "the AMD Cpu support.";
		powersave = lib.mkEnableOption "the AMD Cpu powersave.";
	};

	config = lib.mkIf cfg.enable (lib.mkMerge [
		{
			boot.kernelModules = [ "kvm-amd" ];
			hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
		}
		(lib.mkIf cfg.powersave {
			module.powersave = {
				enable = true;
				cpu.boost = {
					inherit controlFile enableCmd disableCmd;
				};
			};
		})
	]);
}