////////////////////////////////////////////////////////////////////////////////// Copyright (c) 2004 Xilinx, Inc.  All rights reserved. // // Xilinx, Inc. // 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 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.//// $Id: microblaze_interrupt_handler.c,v 1.2 2004/07/31 23:46:47 sathya Exp $/////////////////////////////////////////////////////////////////////////////////*****************************************************************************//**** @file microblaze_interrupt_handler.c** This file contains the standard interrupt handler for the MicroBlaze processor.** <pre>* MODIFICATION HISTORY:** Ver   Date     Changes* ----- -------- -----------------------------------------------* 1.00b 10/03/03 First release* </pre>*******************************************************************************//***************************** Include Files *********************************/#include "microblaze_interrupts_i.h"/************************** Constant Definitions *****************************//**************************** Type Definitions *******************************//***************** Macros (Inline Functions) Definitions *********************//************************** Function Prototypes ******************************/void __interrupt_handler () __attribute__ ((interrupt_handler));/************************** Variable Definitions *****************************/extern MB_InterruptVectorTableEntry MB_InterruptVectorTable;/*****************************************************************************//**** This function is the standard interrupt handler used by the MicroBlaze processor.* It saves all volatile registers, calls the users top level interrupt handler.* When this returns, it restores all registers, and returns using a rtid instruction.** @param    ** None** @return** None.** @note** None.*******************************************************************************/void __interrupt_handler(void){	/* The compiler saves all volatiles and the MSR */	MB_InterruptVectorTable.Handler(MB_InterruptVectorTable.CallBackRef);	/* The compiler restores all volatiles and MSR, and returns from interrupt */}/****************************************************************************//*****************************************************************************//**** Registers a top-level interrupt handler for the MicroBlaze. The* argument provided in this call as the DataPtr is used as the argument* for the handler when it is called.** @param    Top level handler.* @param    DataPtr is a reference to data that will be passed to the handler*           when it gets called.* @return   None.** @note** None.*****************************************************************************/void microblaze_register_handler(XInterruptHandler Handler, void *DataPtr){   MB_InterruptVectorTable.Handler = Handler;   MB_InterruptVectorTable.CallBackRef = DataPtr;}