From e7a2470d068c99158a2c98d498f3839197d27e6c Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 14 Mar 2022 09:22:40 +0100
Subject: [PATCH] bsps/arm: Fix bsp_start_memcpy() for ARMv7-AR

Synchronize data and instruction streams.
---
 bsps/arm/shared/start/bsp-start-memcpy.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bsps/arm/shared/start/bsp-start-memcpy.S b/bsps/arm/shared/start/bsp-start-memcpy.S
index b22bdf3550..8a7632821c 100644
--- a/bsps/arm/shared/start/bsp-start-memcpy.S
+++ b/bsps/arm/shared/start/bsp-start-memcpy.S
@@ -45,6 +45,10 @@ DEFINE_FUNCTION_ARM(bsp_start_memcpy)
 	adr	ip, worker_begin
 	ldm	ip, {r3-r8}
 	push	{r3-r8}
+#ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS
+	dsb
+	isb
+#endif
 
 	/* Execute worker routine */
 	mov	r3, #0