1 /******************************************************************************
3 * Copyright (C) 2009 - 2014 Xilinx, Inc. All rights reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * Use of the Software is limited solely to applications:
16 * (a) running on a Xilinx device, or
17 * (b) that interact with a Xilinx device through a bus or interconnect.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
24 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * Except as contained in this notice, the name of the Xilinx shall not be used
28 * in advertising or otherwise to promote the sale, use or other dealings in
29 * this Software without prior written authorization from Xilinx.
31 ******************************************************************************/
32 /*****************************************************************************/
37 * This file contains basic assert related functions for Xilinx software IP.
40 * MODIFICATION HISTORY:
42 * Ver Who Date Changes
43 * ----- ---- -------- -------------------------------------------------------
44 * 1.00a hbm 07/14/09 Initial release
47 ******************************************************************************/
49 /***************************** Include Files *********************************/
51 #include "xil_types.h"
52 #include "xil_assert.h"
54 /************************** Constant Definitions *****************************/
56 /**************************** Type Definitions *******************************/
58 /***************** Macros (Inline Functions) Definitions *********************/
60 /************************** Variable Definitions *****************************/
63 * This variable allows testing to be done easier with asserts. An assert
64 * sets this variable such that a driver can evaluate this variable
65 * to determine if an assert occurred.
67 unsigned int Xil_AssertStatus;
70 * This variable allows the assert functionality to be changed for testing
71 * such that it does not wait infinitely. Use the debugger to disable the
72 * waiting during testing of asserts.
74 int Xil_AssertWait = TRUE;
76 /* The callback function to be invoked when an assert is taken */
77 static Xil_AssertCallback Xil_AssertCallbackRoutine = NULL;
79 /************************** Function Prototypes ******************************/
81 /*****************************************************************************/
84 * Implement assert. Currently, it calls a user-defined callback function
85 * if one has been set. Then, it potentially enters an infinite loop depending
86 * on the value of the Xil_AssertWait variable.
88 * @param file is the name of the filename of the source
89 * @param line is the linenumber within File
95 ******************************************************************************/
96 void Xil_Assert(const char *File, int Line)
98 /* if the callback has been set then invoke it */
99 if (Xil_AssertCallbackRoutine != 0) {
100 (*Xil_AssertCallbackRoutine)(File, Line);
103 /* if specified, wait indefinitely such that the assert will show up
106 while (Xil_AssertWait) {
110 /*****************************************************************************/
113 * Set up a callback function to be invoked when an assert occurs. If there
114 * was already a callback installed, then it is replaced.
116 * @param routine is the callback to be invoked when an assert is taken
120 * @note This function has no effect if NDEBUG is set
122 ******************************************************************************/
123 void Xil_AssertSetCallback(Xil_AssertCallback Routine)
125 Xil_AssertCallbackRoutine = Routine;
128 /*****************************************************************************/
131 * Null handler function. This follows the XInterruptHandler signature for
132 * interrupt handlers. It can be used to assign a null handler (a stub) to an
133 * interrupt controller vector table.
135 * @param NullParameter is an arbitrary void pointer and not used.
141 ******************************************************************************/
142 void XNullHandler(void *NullParameter)
144 (void) NullParameter;