Separate boot and interface configurations

boot.nix

@@ -0,0 +1,27 @@
+{ ... }:
+{
+  boot = {
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
+    initrd = {
+      systemd.enable = true;
+      availableKernelModules = [
+        "nvme"
+        "xhci_pci"
+        "usbhid"
+        "usb_storage"
+        "sd_mod"
+      ];
+    };
+    kernelModules = ["kvm-amd"];
+    kernelParams = [
+      "amd_pstate=active"
+      "quiet"
+      "loglevel=3"
+      "udev.log-priority=3"
+    ];
+    plymouth.enable = true;
+  };
+}

configuration.nix

@@ -2,6 +2,8 @@
 {
   imports = [
     ./hardware.nix
+    ./boot.nix
+    ./interface.nix
     ./networking.nix
     ./users.nix
     ./coding.nix
@@ -10,24 +12,15 @@
 
   time.timeZone = "America/Los_Angeles";
 
-  i18n.defaultLocale = "en_US.UTF-8";
-  
-  nixpkgs.config.allowUnfree = true;
-
   environment.systemPackages = with pkgs; [
     lshw
     firefox
   ];
   
-  services.xserver = {
-    enable = true;
-    desktopManager = {
-      cinnamon.enable = true;
-      xterm.enable = false;
+  nixpkgs = {
+    hostPlatform = "x86_64-linux";
+    config.allowUnfree = true;
   };
-  };
-
-  services.displayManager.defaultSession = "cinnamon";
 
   system.stateVersion = "24.05";
 }

hardware.nix

@@ -1,21 +1,5 @@
 { pkgs, ... }:
 {
-  boot = {
-    loader = {
-      systemd-boot.enable = true;
-      efi.canTouchEfiVariables = true;
-    };
-    initrd.availableKernelModules = [
-      "nvme"
-      "xhci_pci"
-      "usbhid"
-      "usb_storage"
-      "sd_mod"
-    ];
-    kernelModules = ["kvm-amd"];
-    kernelParams = ["amd_pstate=active"];
-  };
-
   fileSystems = {
     "/" = {
       device = "/dev/disk/by-uuid/648c6539-892c-40d7-8b07-23fe760df02a";
@@ -28,8 +12,6 @@
     };
   };
 
-  nixpkgs.hostPlatform = "x86_64-linux";
-
   hardware = {
     enableRedistributableFirmware = true;
     cpu.amd.updateMicrocode = true;

interface.nix

@@ -0,0 +1,13 @@
+{ ... }:
+{
+  services = {
+    xserver = {
+      enable = true;
+      desktopManager = {
+        cinnamon.enable = true;
+        xterm.enable = false;
+      };
+    };
+    displayManager.defaultSession = "cinnamon";
+  };
+}