OVMF-xen: init

Signed-off-by: Hongbo <hehongbo@mail.com>

pkgs/by-name/ov/OVMF-xen/package.nix

@@ -0,0 +1,17 @@
+{ lib, OVMF }:
+
+(OVMF.override {
+  projectDscPath = "OvmfPkg/OvmfXen.dsc";
+  fwPrefix = "OVMF";
+  metaPlatforms = builtins.filter (lib.hasPrefix "x86_64-") OVMF.meta.platforms;
+}).overrideAttrs
+  (oldAttrs: {
+    __structuredAttrs = true;
+
+    pname = "OVMF-xen";
+
+    meta = oldAttrs.meta // {
+      description = "Sample UEFI firmware for Xen guests";
+      teams = [ lib.teams.xen ];
+    };
+  })