original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
12254 changed files with 7655111 additions and 0 deletions
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+/* vxAtomicArchLibCommon.h - x86_64 specific atomic library header */
+
+/*
+ * Copyright (c) 2010, 2012 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute or otherwise make use of this software
+ * may be licensed only pursuant to the terms of an applicable Wind River
+ * license agreement.
+ */
+
+/*
+modification history
+--------------------
+01b,27apr12,scm  WIND00346365 - VX_MEM_BARRIER_R()/_W()/_RW all using
+                 mfence...
+01a,23mar10,scm  written.
+*/
+
+#ifndef __INCvxAtomicArchLibCommonh
+#define __INCvxAtomicArchLibCommonh
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define _WRS_ARCH_SUPPORTS_MEM_BARRIER
+
+/* 
+ * Macros to provide memory barrier. 
+ */
+
+#define VX_MEM_BARRIER_R()	    _WRS_BARRIER("lfence");
+#define VX_MEM_BARRIER_W()	    _WRS_BARRIER("sfence");
+#define VX_MEM_BARRIER_RW()	    _WRS_BARRIER("mfence");
+#define VX_INSTR_BARRIER()          _WRS_BARRIER("mfence")
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCvxAtomicArchLibCommonh */