From c72433560d66ab58c92eaf86b75358c29fb9bea1 Mon Sep 17 00:00:00 2001
From: kontais <kontais@aliyun.com>
Date: Wed, 15 Jun 2016 08:42:38 -0700
Subject: [PATCH] flush cache after exception code install on ls1b

---
 bsp/ls1bdev/applications/startup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bsp/ls1bdev/applications/startup.c b/bsp/ls1bdev/applications/startup.c
index f5c8eddc08..deedf962f6 100644
--- a/bsp/ls1bdev/applications/startup.c
+++ b/bsp/ls1bdev/applications/startup.c
@@ -54,6 +54,9 @@ void rtthread_startup(void)
     rt_memcpy((void *)(A_K0BASE + 0x180), general_exception, 0x20);
     rt_memcpy((void *)(A_K0BASE + 0x200), irq_exception, 0x20);
 
+    invalidate_writeback_dcache_all();
+    invalidate_icache_all();
+
     /* init board */
     rt_hw_board_init();
 
-- 
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