mac updates

hosts/mac-nixos/boot.nix

@@ -0,0 +1,33 @@
+{ pkgs, lib, ... }:
+{
+  # Use the systemd-boot EFI boot loader.
+  boot = {
+    loader = {
+      systemd-boot = {
+        enable = true;
+        configurationLimit = 3;
+      };
+      efi.canTouchEfiVariables = lib.mkForce false;
+    };
+
+    kernelParams = [
+      "apple_dcp.show_notch=1"
+    ];
+
+    extraModprobeConfig = ''
+      options hid_apple iso_layout=0
+    '';
+
+    binfmt.registrations. "x86_64-linux" = {
+      magicOrExtension = ''\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x3e\x00'';
+      mask = ''\xff\xff\xff\xff\xff\xfe\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'';
+      openBinary = true;
+      interpreter = "${pkgs.box64}/bin/box64";
+      preserveArgvZero = true; 
+      matchCredentials = true;
+      fixBinary = false;
+    };
+  };
+
+  zramSwap.enable = true;
+}