diff --git a/test/testdrv1/main.cpp b/test/testdrv1/main.cpp
index 0b67a82..59bb625 100644
--- a/test/testdrv1/main.cpp
+++ b/test/testdrv1/main.cpp
@@ -8,6 +8,26 @@ LibWinDrvDriverUnLoad(__in DRIVER_OBJECT *DriverObject)
     dprintf("world hello\n");
 }
 
+// ULONG_PTR g_addr = 0;
+//__declspec(naked) __declspec("volatile") void myfunc2()
+//{
+//     _asm {
+//         mov rax, g_addr
+//         add rax, 3
+//         jmp rax
+//     }
+// }
+//
+//__declspec(naked) __declspec("volatile") void myfunc1(void *p)
+//{
+//     _asm {
+//         mov rax, [rsp]
+//         mov g_addr, rax
+//         mov [rsp], rcx
+//         ret
+//     }
+// }
+
 EXTERN_C
 NTSTATUS
 LibWinDrvDriverEntry(__in DRIVER_OBJECT *DriverObject, __in UNICODE_STRING *RegistryPath)
@@ -16,5 +36,12 @@ LibWinDrvDriverEntry(__in DRIVER_OBJECT *DriverObject, __in UNICODE_STRING *Regi
     UNREFERENCED_PARAMETER(RegistryPath);
 
     dprintf("hello world\n");
+    /*myfunc1((void *)myfunc2);
+    _asm {
+        nop
+        nop
+        nop
+    }
+    dprintf("hello world2\n");*/
     return -1;
 }