--- /dev/null
+/******************************************************************************
+*
+* Copyright (C) 2014 - 2015 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_exception.c
+*
+* This file contains low-level driver functions for the Cortex R5 exception
+* Handler.
+*
+* <pre>
+* MODIFICATION HISTORY:
+*
+* Ver Who Date Changes
+* ----- -------- -------- -----------------------------------------------
+* 5.00 pkp 02/20/14 First release
+*
+* </pre>
+*
+*****************************************************************************/
+
+/***************************** Include Files ********************************/
+
+#include "xil_types.h"
+#include "xil_assert.h"
+#include "xil_exception.h"
+#include "xpseudo_asm.h"
+#include "xdebug.h"
+/************************** Constant Definitions ****************************/
+
+/**************************** Type Definitions ******************************/
+
+typedef struct {
+ Xil_ExceptionHandler Handler;
+ void *Data;
+} XExc_VectorTableEntry;
+
+/***************** Macros (Inline Functions) Definitions ********************/
+
+/************************** Function Prototypes *****************************/
+static void Xil_ExceptionNullHandler(void *Data);
+/************************** Variable Definitions *****************************/
+/*
+ * Exception vector table to store handlers for each exception vector.
+ */
+XExc_VectorTableEntry XExc_VectorTable[XIL_EXCEPTION_ID_LAST + 1] =
+{
+ {Xil_ExceptionNullHandler, NULL},
+ {Xil_ExceptionNullHandler, NULL},
+ {Xil_ExceptionNullHandler, NULL},
+ {Xil_PrefetchAbortHandler, NULL},
+ {Xil_DataAbortHandler, NULL},
+ {Xil_ExceptionNullHandler, NULL},
+ {Xil_ExceptionNullHandler, NULL},
+};
+
+/*****************************************************************************/
+
+/****************************************************************************/
+/**
+*
+* This function is a stub Handler that is the default Handler that gets called
+* if the application has not setup a Handler for a specific exception. The
+* function interface has to match the interface specified for a Handler even
+* though none of the arguments are used.
+*
+* @param Data is unused by this function.
+*
+* @return None.
+*
+* @note None.
+*
+*****************************************************************************/
+static void Xil_ExceptionNullHandler(void *Data)
+{
+ (void *)Data;
+DieLoop: goto DieLoop;
+}
+
+/****************************************************************************/
+/**
+* The function is a common API used to initialize exception handlers across all
+* processors supported. For ARM CortexR5, the exception handlers are being
+* initialized statically and hence this function does not do anything.
+*
+*
+* @param None.
+*
+* @return None.
+*
+* @note None.
+*
+*****************************************************************************/
+void Xil_ExceptionInit(void)
+{
+ return;
+}
+
+/*****************************************************************************/
+/**
+*
+* Makes the connection between the Id of the exception source and the
+* associated Handler that is to run when the exception is recognized. The
+* argument provided in this call as the Data is used as the argument
+* for the Handler when it is called.
+*
+* @param exception_id contains the ID of the exception source and should
+* be in the range of 0 to XIL_EXCEPTION_ID_LAST.
+ See xil_exception_l.h for further information.
+* @param Handler to the Handler for that exception.
+* @param Data is a reference to Data that will be passed to the
+* Handler when it gets called.
+*
+* @return None.
+*
+* @note None.
+*
+****************************************************************************/
+void Xil_ExceptionRegisterHandler(u32 Exception_id,
+ Xil_ExceptionHandler Handler,
+ void *Data)
+{
+ XExc_VectorTable[Exception_id].Handler = Handler;
+ XExc_VectorTable[Exception_id].Data = Data;
+}
+
+/*****************************************************************************/
+/**
+*
+* Removes the Handler for a specific exception Id. The stub Handler is then
+* registered for this exception Id.
+*
+* @param exception_id contains the ID of the exception source and should
+* be in the range of 0 to XIL_EXCEPTION_ID_LAST.
+* See xil_exception_l.h for further information.
+
+* @return None.
+*
+* @note None.
+*
+****************************************************************************/
+void Xil_ExceptionRemoveHandler(u32 Exception_id)
+{
+ Xil_ExceptionRegisterHandler(Exception_id,
+ Xil_ExceptionNullHandler,
+ NULL);
+}
+/*****************************************************************************/
+/**
+*
+* Default Data abort handler which prints a debug message on console if
+* Debug flag is enabled
+*
+* @param None
+*
+* @return None.
+*
+* @note None.
+*
+****************************************************************************/
+
+void Xil_DataAbortHandler(void *CallBackRef){
+
+ xdbg_printf(XDBG_DEBUG_ERROR, "Data abort \n");
+ while(1) {
+ ;
+ }
+}
+
+/*****************************************************************************/
+/**
+*
+* Default Prefetch abort handler which printsa debug message on console if
+* Debug flag is enabled
+*
+* @param None
+*
+* @return None.
+*
+* @note None.
+*
+****************************************************************************/
+void Xil_PrefetchAbortHandler(void *CallBackRef){
+
+ xdbg_printf(XDBG_DEBUG_ERROR, "Prefetch abort \n");
+ while(1) {
+ ;
+ }
+}
projects / freertos / blobdiff