allow grub2 as secondary payload

1 files changed, 11 insertions, 1 deletions

diff --git a/modules/grub2/default.nix b/modules/grub2/default.nix
index 214eb04d38db..2f918f476eef 100644
--- a/modules/grub2/default.nix
+++ b/modules/grub2/default.nix
@@ -4,10 +4,20 @@ with lib;
 
 let
   cfg = config.grub2;
+  payloadName = if cfg.asSecondaryPayload then
+    "img/grub2"
+  else
+    "fallback/payload";
+
 in {
   options.grub2 = {
     enable = mkEnableOption "grub2 coreboot primary payload";
 
+    asSecondaryPayload = mkOption {
+      type = types.bool;
+      default = false;
+    };
+
     font = mkOption {
       type = types.path;
       #default = "${pkgs.dejavu_fonts}/share/fonts/truetype/DejaVuSansMono.ttf";
@@ -17,7 +27,7 @@ in {
 
   config = lib.mkIf cfg.enable {
     corenix.extraFiles = {
-      "fallback/payload" = {
+      ${payloadName} = {
         type = "payload";
         src = "${pkgs.coreboot-payload-grub2}/default_payload.elf";
       };