diff -Nuar grubby-8.40-1/grubby.c grubby-8.40-1-new/grubby.c
--- grubby-8.40-1/grubby.c	2024-09-09 17:52:12.702785049 +0800
+++ grubby-8.40-1-new/grubby.c	2024-09-09 17:51:22.062183169 +0800
@@ -60,7 +60,7 @@
 
 int isEfi = 0;
 
-#if defined(__aarch64__) || (__loongarch64)
+#if defined(__aarch64__) || (__loongarch64) || defined(__sw_64__)
 #define isEfiOnly	1
 #elif (defined(__riscv) && (__riscv_xlen == 64))
 #define isEfiOnly	1