linux-exynos5-mainline: init

it builds, but is not bootable on samsung chromebook

hosts/modules/hal/samsung/default.nix

@@ -82,11 +82,12 @@ in
     #  "sbs-manager"
 
 
+    boot.kernelPackages = with pkgs; linuxPackagesFor linux-exynos5-mainline;
     # boot.kernelPackages = with pkgs; linuxPackagesFor (linux-postmarketos-exynos5.override {
     #   linux = linux_6_6;
     #   # linux = linux_6_8;
     #   # linux = linux_6_9;
-    #   optimizeForSize = true;
+    #   # optimizeForSize = true;
     # });
     # boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux-postmarketos-exynos5;
     # boot.kernelPackages = pkgs.linuxPackagesFor (pkgs.linux_latest.override {

pkgs/additional/linux-exynos5-mainline/default.nix

@@ -0,0 +1,25 @@
+{ buildLinux
+, fetchFromGitLab
+#v nixpkgs calls `.override` on the kernel to configure additional things
+, features ? {}
+, randstructSeed ? ""
+, ...
+}:
+buildLinux {
+  src = fetchFromGitLab {
+    owner = "exynos5-mainline";
+    repo = "linux";
+    rev = "20e7d0fbd9213858325dfeb9be0da1a3756744a1";
+    hash = "sha256-tbNYuOk4XHRH12B3EdMCgO7EUKaAs6Q7G+/r3r35ZFY=";
+  };
+  version = "6.8.0-rc2";
+  # modDirVersion = "6.8.0-rc2";
+  modDirVersion = "6.8.0-rc2-next-20240201-postmarketos-exynos5";
+  extraMeta.branch = "6.8";
+
+  defconfig = "exynos5_defconfig";
+  autoModules = false;
+  # preferBuiltin = false;
+
+  inherit features randstructSeed;
+}

pkgs/default.nix

@@ -51,6 +51,7 @@ let
     libdng = callPackage ./additional/libdng { };
     libmegapixels = callPackage ./additional/libmegapixels { };
     lightdm-mobile-greeter = callPackage ./additional/lightdm-mobile-greeter { };
+    linux-exynos5-mainline = callPackage ./additional/linux-exynos5-mainline { };
     linux-firmware-megous = callPackage ./additional/linux-firmware-megous { };
     # XXX: eval error: need to port past linux_6_4
     # linux-manjaro = callPackage ./additional/linux-manjaro { };