[rtems commit] arm: Replace __sync_synchronize() implementation
Sebastian Huber
sebh at rtems.org
Tue Sep 1 08:01:08 UTC 2015
Module: rtems
Branch: master
Commit: 95b43d0ddeeedbb6ba9c0b876778f2ced11381eb
Changeset: http://git.rtems.org/rtems/commit/?id=95b43d0ddeeedbb6ba9c0b876778f2ced11381eb
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Tue Sep 1 09:47:12 2015 +0200
arm: Replace __sync_synchronize() implementation
---
cpukit/score/cpu/arm/armv4-sync-synchronize.c | 27 +++++++++++++++++++--------
1 file changed, 19 insertions(+), 8 deletions(-)
diff --git a/cpukit/score/cpu/arm/armv4-sync-synchronize.c b/cpukit/score/cpu/arm/armv4-sync-synchronize.c
index 6fcac05..7e4c91e 100644
--- a/cpukit/score/cpu/arm/armv4-sync-synchronize.c
+++ b/cpukit/score/cpu/arm/armv4-sync-synchronize.c
@@ -1,9 +1,20 @@
-void
-__sync_synchronize (void)
+/*
+ * Copyright (c) 2015 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <rtems at embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#include <rtems/score/cpu.h>
+
+void __sync_synchronize( void )
{
-#ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS
- asm volatile("dmb" : : : "memory");
-#else
- asm volatile("" : : : "memory");
-#endif
-}
\ No newline at end of file
+ _ARM_Data_memory_barrier();
+}
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