78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/****************************************************************************
|
|
* arch/arm/src/armv8-m/arm_memfault.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <assert.h>
|
|
#include <debug.h>
|
|
|
|
#include <arch/irq.h>
|
|
|
|
#include "arm_arch.h"
|
|
#include "nvic.h"
|
|
#include "arm_internal.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_DEBUG_MEMFAULT
|
|
# define mferr(format, ...) _alert(format, ##__VA_ARGS__)
|
|
# define mfinfo(format, ...) _alert(format, ##__VA_ARGS__)
|
|
#else
|
|
# define mferr(x...)
|
|
# define mfinfo(x...)
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: arm_memfault
|
|
*
|
|
* Description:
|
|
* This is Memory Management Fault exception handler. Normally we get
|
|
* here when the Cortex M3 MPU is enabled and an MPU fault is detected.
|
|
* However, I understand that there are other error conditions that can
|
|
* also generate memory management faults.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int arm_memfault(int irq, FAR void *context, FAR void *arg)
|
|
{
|
|
/* Dump some memory management fault info */
|
|
|
|
up_irq_save();
|
|
_alert("PANIC!!! Memory Management Fault:\n");
|
|
mfinfo(" IRQ: %d context: %p\n", irq, context);
|
|
_alert(" CFAULTS: %08x MMFAR: %08x\n",
|
|
getreg32(NVIC_CFAULTS), getreg32(NVIC_MEMMANAGE_ADDR));
|
|
mfinfo(" BASEPRI: %08x PRIMASK: %08x IPSR: %08x CONTROL: %08x\n",
|
|
getbasepri(), getprimask(), getipsr(), getcontrol());
|
|
|
|
PANIC();
|
|
return OK; /* Won't get here */
|
|
}
|