1 files changed, 28 insertions, 0 deletions
diff --git a/sys/arm/include/atomic.h b/sys/arm/include/atomic.h
index 48b4a33..140a3bc 100644
--- a/sys/arm/include/atomic.h
+++ b/sys/arm/include/atomic.h
@@ -1103,6 +1103,34 @@ atomic_store_long(volatile u_long *dst, u_long src)
 	*dst = src;
 }
 
+static __inline void
+atomic_thread_fence_acq(void)
+{
+
+	dmb();
+}
+
+static __inline void
+atomic_thread_fence_rel(void)
+{
+
+	dmb();
+}
+
+static __inline void
+atomic_thread_fence_acq_rel(void)
+{
+
+	dmb();
+}
+
+static __inline void
+atomic_thread_fence_seq_cst(void)
+{
+
+	dmb();
+}
+
 #define atomic_clear_ptr		atomic_clear_32
 #define atomic_set_ptr			atomic_set_32
 #define atomic_cmpset_ptr		atomic_cmpset_32