From 3897e6e50f937cc0821507e5a2e3df0124d57d03 Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Wed, 29 Mar 2023 23:17:34 +0800
Subject: [PATCH] fix CE

---
 os/src/boards/qemu.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os/src/boards/qemu.rs b/os/src/boards/qemu.rs
index ad9cf096..0c8e9b4e 100644
--- a/os/src/boards/qemu.rs
+++ b/os/src/boards/qemu.rs
@@ -79,7 +79,7 @@ pub unsafe extern "C" fn timervec() -> ! {
     // used for processing in this scratch space.
     // a0 saved in mscrach, a1 ~ a3 saved in scratch space.
     //loop {}
-    asm!(
+    core::arch::asm!(
         "csrrw a0, mscratch, a0",
         "sd a1, 0(a0)",
         "sd a2, 8(a0)",