diff --git a/tools/include/uapi/asm/bitsperlong.h b/tools/include/uapi/asm/bitsperlong.h
index edba4d93e9e6a346572d12e7def7e01f1c88822d..e8fc1fdfde2a2fa14226715f024ea06df25ef586 100644
--- a/tools/include/uapi/asm/bitsperlong.h
+++ b/tools/include/uapi/asm/bitsperlong.h
@@ -17,6 +17,8 @@
 #include "../../../arch/riscv/include/uapi/asm/bitsperlong.h"
 #elif defined(__alpha__)
 #include "../../../arch/alpha/include/uapi/asm/bitsperlong.h"
+#elif defined(__sw_64__)
+#include "../../../arch/sw_64/include/uapi/asm/bitsperlong.h"
 #else
 #include <asm-generic/bitsperlong.h>
 #endif