From 80a4912baf79d46c696ab4a5c7da92fb511d8cd9 Mon Sep 17 00:00:00 2001
From: ZhangTao <zhangtao@canaan-creative.com>
Date: Tue, 5 Nov 2019 10:30:47 +0800
Subject: 修改了上下文切换退出时的bug，该bug会导致中断被提前打开造成死锁
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---
 libcpu/risc-v/common/context_gcc.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libcpu')

diff --git a/libcpu/risc-v/common/context_gcc.S b/libcpu/risc-v/common/context_gcc.S
index f28b15319b..5c9f05c4e8 100644
--- a/libcpu/risc-v/common/context_gcc.S
+++ b/libcpu/risc-v/common/context_gcc.S
@@ -175,7 +175,7 @@ rt_hw_context_switch_exit:
     LOAD x1,   1 * REGBYTES(sp)
 
     li    t0, 0x00001800
-    csrs  mstatus, t0
+    csrw  mstatus, t0
     LOAD a0,   2 * REGBYTES(sp)
     csrs mstatus, a0
 
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