First Commit

system/core.nix

@@ -0,0 +1,53 @@
+{ pkgs, config, ... }:
+let
+  cfg = config.my.cachyosKernel;
+in
+{
+  nix = {
+    settings = {
+      download-buffer-size = 200000000;
+      auto-optimise-store = true;
+
+      substituters = [
+        "https://hyprland.cachix.org"
+        "https://attic.xuyh0120.win/lantian"
+        "https://nix-community.cachix.org"
+        "https://ezkea.cachix.org"
+      ];
+      trusted-substituters = [ "https://hyprland.cachix.org" ];
+      trusted-public-keys = [
+        "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+        "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "ezkea.cachix.org-1:ioBmUbJTZIKsHmWWXPe1FSFbeVe+afhfgqgTSNd34eI="
+      ];
+
+      experimental-features = [ "nix-command" "flakes" "pipe-operators" ];
+    };
+  };
+
+  # Boot/Kernel Stuff
+  boot = {
+    kernelPackages = 
+      (
+        if cfg.enable
+        then pkgs.cachyosKernels.linuxPackages-cachyos-latest-zen4
+        else pkgs.linuxPackages_latest
+      );
+    kernelModules = ["v4l2loopback" "kvm-amd"];
+    extraModulePackages = [config.boot.kernelPackages.v4l2loopback];
+    kernel.sysctl = {"vm.max_map_count" = 2147483642;};
+    loader.systemd-boot.enable = true;
+    loader.efi.canTouchEfiVariables = true;
+    # Appimage Support
+    binfmt.registrations.appimage = {
+      wrapInterpreterInShell = false;
+      interpreter = "${pkgs.appimage-run}/bin/appimage-run";
+      recognitionType = "magic";
+      offset = 0;
+      mask = ''\xff\xff\xff\xff\x00\x00\x00\x00\xff\xff\xff'';
+      magicOrExtension = ''\x7fELF....AI\x02'';
+    };
+    plymouth.enable = true;
+  };
+}