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Diffstat (limited to 'board/xilinx/common/xbasic_types.c')
| -rw-r--r-- | board/xilinx/common/xbasic_types.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/board/xilinx/common/xbasic_types.c b/board/xilinx/common/xbasic_types.c new file mode 100644 index 000000000..c3a171a35 --- /dev/null +++ b/board/xilinx/common/xbasic_types.c @@ -0,0 +1,165 @@ +/****************************************************************************** +* +* Author: Xilinx, Inc. +* +* +* This program is free software; you can redistribute it and/or modify it +* under the terms of the GNU General Public License as published by the +* Free Software Foundation; either version 2 of the License, or (at your +* option) any later version. +* +* +* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A +* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS +* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD, +* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE +* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING +* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. +* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO +* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY +* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM +* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND +* FITNESS FOR A PARTICULAR PURPOSE. +* +* +* Xilinx hardware products are not intended for use in life support +* appliances, devices, or systems. Use in such applications is +* expressly prohibited. +* +* +* (c) Copyright 2002-2004 Xilinx Inc. +* All rights reserved. +* + * +* You should have received a copy of the GNU General Public License along +* with this program; if not, write to the Free Software Foundation, Inc., +* 675 Mass Ave, Cambridge, MA 02139, USA. +* +******************************************************************************/ +/*****************************************************************************/ +/** +* +* @file xbasic_types.c +* +* This file contains basic functions for Xilinx software IP. +* +* <pre> +* MODIFICATION HISTORY: +* +* Ver Who Date Changes +* ----- ---- -------- ------------------------------------------------------- +* 1.00a rpm 11/07/03 Added XNullHandler function as a stub interrupt handler +* </pre> +* +******************************************************************************/ + +/***************************** Include Files *********************************/ + +#include "xbasic_types.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. + */ +unsigned int XAssertStatus; + +/** + * 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. + */ +u32 XWaitInAssert = TRUE; + +/* The callback function to be invoked when an assert is taken */ +static XAssertCallback XAssertCallbackRoutine = (XAssertCallback) NULL; + +/************************** Function Prototypes ******************************/ + +/*****************************************************************************/ +/** +* +* Implements 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 XWaitInAssert variable. +* +* @param File is the name of the filename of the source +* @param Line is the linenumber within File +* +* @return +* +* None. +* +* @note +* +* None. +* +******************************************************************************/ +void +XAssert(char *File, int Line) +{ + /* if the callback has been set then invoke it */ + if (XAssertCallbackRoutine != NULL) { + (*XAssertCallbackRoutine) (File, Line); + } + + /* if specified, wait indefinitely such that the assert will show up + * in testing + */ + while (XWaitInAssert) { + } +} + +/*****************************************************************************/ +/** +* +* Sets 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 +XAssertSetCallback(XAssertCallback Routine) +{ + XAssertCallbackRoutine = 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) +{ +} |