From 28aa777191e7b41e4f1f346ab79f8688edc59c6d Mon Sep 17 00:00:00 2001
From: YOUR_NAME <zhangfanfan2@huawei.com>
Date: Sun, 25 Apr 2021 20:53:33 +0800
Subject: [PATCH] fix: no exception information output, when the system is
 abnormal after holding the scheduling lock in SMP.

Change-Id: Ib10128fede9aa3e00269f1265089a917ffd96d88
---
 arch/arm/arm/src/los_hw_exc.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/arm/src/los_hw_exc.S b/arch/arm/arm/src/los_hw_exc.S
index 6a02fb89..a1d7d2e9 100644
--- a/arch/arm/arm/src/los_hw_exc.S
+++ b/arch/arm/arm/src/los_hw_exc.S
@@ -205,7 +205,9 @@ _osExceptSwiHdl:
     PUSH_FPU_REGS R1
 
     MOV     FP, #0                                           @ Init frame pointer
+    CPSIE   I
     BLX     OsArmA32SyscallHandle
+    CPSID   I
 
     POP_FPU_REGS R1
     ADD     SP, SP,#4
@@ -329,9 +331,7 @@ _osExcPageFault:
     MOV     R5, R0
     MOV     R8, R2
     MOV     R9, R3
-    CPSIE   I
     BLX     OsArmSharedPageFault
-    CPSID   I
 
     POP_FPU_REGS R1
     MOV     SP, R4