From 2eb1bef773e099ac93ec74dba7ec216bdf61597c Mon Sep 17 00:00:00 2001
From: qz721 <295354721@qq.com>
Date: Mon, 25 Mar 2019 20:03:49 +0800
Subject: Make 'qemu-vexpress-a9' and 'imx6ul' use the same libcpu code.

---
 libcpu/arm/cortex-a/stack.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'libcpu/arm/cortex-a/stack.c')

diff --git a/libcpu/arm/cortex-a/stack.c b/libcpu/arm/cortex-a/stack.c
index 1d3ebcb9e6..d76b8a428a 100644
--- a/libcpu/arm/cortex-a/stack.c
+++ b/libcpu/arm/cortex-a/stack.c
@@ -50,13 +50,17 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
     *(--stk) = 0xdeadbeef;                  /* r2 */
     *(--stk) = 0xdeadbeef;                  /* r1 */
     *(--stk) = (rt_uint32_t)parameter;      /* r0 : argument */
-
     /* cpsr */
     if ((rt_uint32_t)tentry & 0x01)
         *(--stk) = SVCMODE | 0x20;          /* thumb mode */
     else
         *(--stk) = SVCMODE;                 /* arm mode   */
 
+#ifdef RT_USING_LWP
+    *(--stk) = 0;       /* user lr */
+    *(--stk) = 0;       /* user sp*/
+#endif
+
     /* return task's current stack address */
     return (rt_uint8_t *)stk;
 }
-- 
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