{ pkgs, ... }: { imports = [ # ./opencore.nix ]; environment.systemPackages = [ pkgs.efibootmgr ]; boot.kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-latest-lto-x86_64-v2; boot.kernelParams = [ "preempt=full" "i915.enable_fbc=1" "mitigations=off" "usbcore.autosuspend=-1" "transparent_hugepage=always" "split_lock_detect=off" ]; boot.loader = { timeout = 5; efi = { canTouchEfiVariables = true; efiSysMountPoint = "/boot"; }; systemd-boot = { enable = true; configurationLimit = 10; }; }; }