--- /dev/null
+/******************************************************************************
+*
+* Copyright (C) 2009 - 2015 Xilinx, Inc. All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* Use of the Software is limited solely to applications:
+* (a) running on a Xilinx device, or
+* (b) that interact with a Xilinx device through a bus or interconnect.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*
+* Except as contained in this notice, the name of the Xilinx shall not be used
+* in advertising or otherwise to promote the sale, use or other dealings in
+* this Software without prior written authorization from Xilinx.
+*
+******************************************************************************/
+/*****************************************************************************/
+/**
+*
+* @file xil_assert.c
+*
+* This file contains basic assert related functions for Xilinx software IP.
+*
+* <pre>
+* MODIFICATION HISTORY:
+*
+* Ver Who Date Changes
+* ----- ---- -------- -------------------------------------------------------
+* 1.00a hbm 07/14/09 Initial release
+* </pre>
+*
+******************************************************************************/
+
+/***************************** Include Files *********************************/
+
+#include "xil_types.h"
+#include "xil_assert.h"
+
+/************************** Constant Definitions *****************************/
+
+/**************************** Type Definitions *******************************/
+
+/***************** Macros (Inline Functions) Definitions *********************/
+
+/************************** Variable Definitions *****************************/
+
+/**
+ * This variable allows testing to be done easier with asserts. An assert
+ * sets this variable such that a driver can evaluate this variable
+ * to determine if an assert occurred.
+ */
+u32 Xil_AssertStatus;
+
+/**
+ * This variable allows the assert functionality to be changed for testing
+ * such that it does not wait infinitely. Use the debugger to disable the
+ * waiting during testing of asserts.
+ */
+/*s32 Xil_AssertWait = 1*/
+
+/* The callback function to be invoked when an assert is taken */
+static Xil_AssertCallback Xil_AssertCallbackRoutine = NULL;
+
+/************************** Function Prototypes ******************************/
+
+/*****************************************************************************/
+/**
+*
+* Implement assert. Currently, it calls a user-defined callback function
+* if one has been set. Then, it potentially enters an infinite loop depending
+* on the value of the Xil_AssertWait variable.
+*
+* @param file is the name of the filename of the source
+* @param line is the linenumber within File
+*
+* @return None.
+*
+* @note None.
+*
+******************************************************************************/
+void Xil_Assert(const char8 *File, s32 Line)
+{
+ s32 Xil_AssertWait = 1;
+ /* if the callback has been set then invoke it */
+ if (Xil_AssertCallbackRoutine != 0) {
+ (*Xil_AssertCallbackRoutine)(File, Line);
+ }
+
+ /* if specified, wait indefinitely such that the assert will show up
+ * in testing
+ */
+ while (Xil_AssertWait != 0) {
+ }
+}
+
+/*****************************************************************************/
+/**
+*
+* Set up a callback function to be invoked when an assert occurs. If there
+* was already a callback installed, then it is replaced.
+*
+* @param routine is the callback to be invoked when an assert is taken
+*
+* @return None.
+*
+* @note This function has no effect if NDEBUG is set
+*
+******************************************************************************/
+void Xil_AssertSetCallback(Xil_AssertCallback Routine)
+{
+ Xil_AssertCallbackRoutine = Routine;
+}
+
+/*****************************************************************************/
+/**
+*
+* Null handler function. This follows the XInterruptHandler signature for
+* interrupt handlers. It can be used to assign a null handler (a stub) to an
+* interrupt controller vector table.
+*
+* @param NullParameter is an arbitrary void pointer and not used.
+*
+* @return None.
+*
+* @note None.
+*
+******************************************************************************/
+void XNullHandler(void *NullParameter)
+{
+ (void *) NullParameter;
+}