arm: add uart echo app

arm/hal/lib/common/xil_cache_vxworks.h

@@ -0,0 +1,74 @@
+/******************************************************************************
+* Copyright (c) 2009 - 2021 Xilinx, Inc.  All rights reserved.
+* SPDX-License-Identifier: MIT
+******************************************************************************/
+
+/*****************************************************************************/
+/**
+*
+* @file xil_cache_vxworks.h
+*
+* Contains the cache related functions for VxWorks that is wrapped by
+* xil_cache.
+*
+* <pre>
+* MODIFICATION HISTORY:
+*
+* Ver   Who  Date	 Changes
+* ----- ---- -------- -------------------------------------------------------
+* 1.00a hbm  12/11/09 Initial release
+*
+* </pre>
+*
+* @note
+*
+******************************************************************************/
+
+/**
+ *@cond nocomments
+ */
+
+#ifndef XIL_CACHE_VXWORKS_H
+#define XIL_CACHE_VXWORKS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vxWorks.h"
+#include "vxLib.h"
+#include "sysLibExtra.h"
+#include "cacheLib.h"
+
+#if (CPU_FAMILY==PPC)
+
+#define Xil_DCacheEnable()		cacheEnable(DATA_CACHE)
+
+#define Xil_DCacheDisable()		cacheDisable(DATA_CACHE)
+
+#define Xil_DCacheInvalidateRange(Addr, Len) \
+		cacheInvalidate(DATA_CACHE, (void *)(Addr), (Len))
+
+#define Xil_DCacheFlushRange(Addr, Len) \
+		cacheFlush(DATA_CACHE, (void *)(Addr), (Len))
+
+#define Xil_ICacheEnable()		cacheEnable(INSTRUCTION_CACHE)
+
+#define Xil_ICacheDisable()		cacheDisable(INSTRUCTION_CACHE)
+
+#define Xil_ICacheInvalidateRange(Addr, Len) \
+		cacheInvalidate(INSTRUCTION_CACHE, (void *)(Addr), (Len))
+
+
+#else
+#error "Unknown processor / architecture. Must be PPC for VxWorks."
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/**
+ *@endcond
+ */