From a3fa8203dbb3ce47b6e7a249577b2a2a804759f7 Mon Sep 17 00:00:00 2001
From: osbm <osmanfbayram@gmail.com>
Date: Tue, 11 Feb 2025 22:16:56 +0300
Subject: [PATCH] make emulation a module

---
 hosts/tartarus/configuration.nix |  3 +--
 hosts/ymir/configuration.nix     |  4 +---
 modules/default.nix              |  1 +
 modules/emulation.nix            | 21 +++++++++++++++++++++
 4 files changed, 24 insertions(+), 5 deletions(-)
 create mode 100644 modules/emulation.nix

diff --git a/hosts/tartarus/configuration.nix b/hosts/tartarus/configuration.nix
index 0b0e42e..36a93e0 100644
--- a/hosts/tartarus/configuration.nix
+++ b/hosts/tartarus/configuration.nix
@@ -18,10 +18,9 @@
     blockBluesky = false;
     enableKDE = true;
     enableTailscale = true;
+    enableAarch64Emulation = true;
   };
 
-  boot.binfmt.emulatedSystems = ["aarch64-linux"];
-  nix.settings.extra-platforms = config.boot.binfmt.emulatedSystems;
 
   home-manager.useGlobalPkgs = true;
   home-manager.useUserPackages = true;
diff --git a/hosts/ymir/configuration.nix b/hosts/ymir/configuration.nix
index e125f54..a012c14 100644
--- a/hosts/ymir/configuration.nix
+++ b/hosts/ymir/configuration.nix
@@ -20,6 +20,7 @@
     enableTailscale = true;
     # jellyfin is unnecessary for now
     enableJellyfin = true;
+    enableAarch64Emulation = true;
   };
 
   # Bootloader.
@@ -148,8 +149,5 @@
     acceleration = "cuda";
   };
 
-  boot.binfmt.emulatedSystems = ["aarch64-linux"];
-  nix.settings.extra-platforms = config.boot.binfmt.emulatedSystems;
-
   system.stateVersion = "25.05"; # great taboo of the nixos world
 }
diff --git a/modules/default.nix b/modules/default.nix
index 5772328..2992dcc 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -3,6 +3,7 @@
     ./arduino.nix
     ./common-packages.nix
     ./concentration.nix
+    ./emulation.nix
     ./firefox.nix
     ./fonts.nix
     ./graphical-interface.nix
diff --git a/modules/emulation.nix b/modules/emulation.nix
new file mode 100644
index 0000000..7e26754
--- /dev/null
+++ b/modules/emulation.nix
@@ -0,0 +1,21 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: {
+  options = {
+    myModules.enableAarch64Emulation = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Enable Aarch64 emulation";
+    };
+  };
+
+  config = lib.mkMerge [
+    (lib.mkIf config.myModules.enableAarch64Emulation {
+        boot.binfmt.emulatedSystems = ["aarch64-linux"];
+        nix.settings.extra-platforms = config.boot.binfmt.emulatedSystems;
+    })
+    ];
+}