1 files changed, 4 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
index 029937f..6133bfd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+#![feature(asm)]
 #![no_std]
 #![no_main]
 
@@ -5,6 +6,9 @@ use core::panic::PanicInfo;
 
 #[no_mangle]
 pub extern "C" fn pre_main() -> ! {
+    unsafe {
+        core::ptr::null::<usize>().read_volatile();
+    }
     loop {}
 }