blob: 3a822c52625768ba9dac84b436df006707f2ccb7 [file] [log] [blame]
/* memerror-vector.S -- Memory Error Exception Vector and Handler */
/* SPDX-License-Identifier: MIT */
/*
* Copyright (c) 2006-2013 Tensilica Inc.
*
* 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.
*
* 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 THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <xtensa/coreasm.h>
#include <xtensa/corebits.h>
/* This file just contains this one symbol, used by the reset code.
* It is here rather than in reset-vector.S because we want the symbol
* to be external, so resolution is delayed until link time.
*
* To define your own value to override this default, redefine the
* symbol _MemErrorHandler to the desired value, e.g. -
*
* xt-xcc test.c -g -o test -Wl,--defsym=_MemErrorHandler=0x08080808
*/
.global _MemErrorHandler
.weak _MemErrorHandler
.equ _MemErrorHandler, XCHAL_CACHE_MEMCTL_DEFAULT