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55 lines
2.6 KiB
C
55 lines
2.6 KiB
C
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/*
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* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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#include "inc/hw_types.h"
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#include "inc/hw_memmap.h"
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#include "inc/hw_cpu_scs.h"
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/*---------------------------------------------------------------------------*/
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#define fault_handlers_hard_fault_isr FaultISR
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/*---------------------------------------------------------------------------*/
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void
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fault_handlers_hard_fault_isr(void)
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{
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/*
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* Workaround for (Im)precise Bus Faults caused under unknown circumstances,
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* likely by access to RFC registers while the RF PD is off (which is
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* something that should never happen because we do in fact check before
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* accessing)
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*/
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if((HWREG(CPU_SCS_BASE + CPU_SCS_O_CFSR) == CPU_SCS_CFSR_IMPRECISERR) ||
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(HWREG(CPU_SCS_BASE + CPU_SCS_O_CFSR) & CPU_SCS_CFSR_PRECISERR)){
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/* ToDo: Check BFARVALID and then BFAR to filter down even further */
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return;
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}
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while(1);
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}
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/*---------------------------------------------------------------------------*/
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