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Add support for the Xilinx ML300 platform * Patch by Stephan Linz, 17 Feb 2004: Fix watchdog support for NIOS * Patch by Josh Fryman, 16 Feb 2004: Fix byte-swapping for cfi_flash.c for different bus widths * Patch by Jon Diekema, 14 Jeb 2004: Remove duplicate "FPGA Support" notes from the README file
166 lines
5.0 KiB
C
166 lines
5.0 KiB
C
/******************************************************************************
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*
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* Author: Xilinx, Inc.
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*
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* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
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* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
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* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD,
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* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE
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* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING
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* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
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* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
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* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY
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* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM
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* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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*
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* Xilinx hardware products are not intended for use in life support
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* appliances, devices, or systems. Use in such applications is
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* expressly prohibited.
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*
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*
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* (c) Copyright 2002-2004 Xilinx Inc.
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* All rights reserved.
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*
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xbasic_types.c
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*
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* This file contains basic functions for Xilinx software IP.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -------------------------------------------------------
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* 1.00a rpm 11/07/03 Added XNullHandler function as a stub interrupt handler
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xbasic_types.h"
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/************************** Variable Definitions *****************************/
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/**
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* This variable allows testing to be done easier with asserts. An assert
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* sets this variable such that a driver can evaluate this variable
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* to determine if an assert occurred.
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*/
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unsigned int XAssertStatus;
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/**
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* This variable allows the assert functionality to be changed for testing
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* such that it does not wait infinitely. Use the debugger to disable the
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* waiting during testing of asserts.
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*/
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u32 XWaitInAssert = TRUE;
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/* The callback function to be invoked when an assert is taken */
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static XAssertCallback XAssertCallbackRoutine = (XAssertCallback) NULL;
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/************************** Function Prototypes ******************************/
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/*****************************************************************************/
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/**
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*
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* Implements assert. Currently, it calls a user-defined callback function
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* if one has been set. Then, it potentially enters an infinite loop depending
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* on the value of the XWaitInAssert variable.
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*
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* @param File is the name of the filename of the source
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* @param Line is the linenumber within File
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*
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* @return
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*
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* None.
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*
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* @note
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*
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* None.
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*
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******************************************************************************/
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void
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XAssert(char *File, int Line)
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{
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/* if the callback has been set then invoke it */
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if (XAssertCallbackRoutine != NULL) {
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(*XAssertCallbackRoutine) (File, Line);
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}
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/* if specified, wait indefinitely such that the assert will show up
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* in testing
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*/
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while (XWaitInAssert) {
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}
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}
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/*****************************************************************************/
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/**
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*
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* Sets up a callback function to be invoked when an assert occurs. If there
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* was already a callback installed, then it is replaced.
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*
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* @param Routine is the callback to be invoked when an assert is taken
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*
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* @return
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*
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* None.
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*
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* @note
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*
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* This function has no effect if NDEBUG is set
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*
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******************************************************************************/
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void
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XAssertSetCallback(XAssertCallback Routine)
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{
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XAssertCallbackRoutine = Routine;
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}
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/*****************************************************************************/
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/**
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*
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* Null handler function. This follows the XInterruptHandler signature for
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* interrupt handlers. It can be used to assign a null handler (a stub) to an
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* interrupt controller vector table.
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*
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* @param NullParameter is an arbitrary void pointer and not used.
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*
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* @return
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*
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* None.
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*
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* @note
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*
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* None.
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*
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******************************************************************************/
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void
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XNullHandler(void *NullParameter)
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{
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}
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