| /****************************************************************************** |
| * |
| * Copyright (C) 2009 - 2016 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 |
| * 6.0 kvn 05/31/16 Make Xil_AsserWait a global variable |
| * </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 ******************************/ |
| |
| /*****************************************************************************/ |
| /** |
| * |
| * @brief 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: filename of the source |
| * @param line: linenumber within File |
| * |
| * @return None. |
| * |
| * @note None. |
| * |
| ******************************************************************************/ |
| void Xil_Assert(const char8 *File, s32 Line) |
| { |
| /* 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) { |
| } |
| } |
| |
| /*****************************************************************************/ |
| /** |
| * |
| * @brief Set up a callback function to be invoked when an assert occurs. |
| * If a callback is already installed, then it will be replaced. |
| * |
| * @param routine: 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; |
| } |
| |
| /*****************************************************************************/ |
| /** |
| * |
| * @brief 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: arbitrary void pointer and not used. |
| * |
| * @return None. |
| * |
| * @note None. |
| * |
| ******************************************************************************/ |
| void XNullHandler(void *NullParameter) |
| { |
| (void) NullParameter; |
| } |