2011-02-17 11:33:15 +08:00
|
|
|
/******************************************************************//**
|
|
|
|
|
* @file fault_gcc.S
|
|
|
|
|
* @brief Faults handling functions
|
2011-02-28 12:47:50 +08:00
|
|
|
* COPYRIGHT (C) 2011, RT-Thread Development Team
|
2011-02-17 11:33:15 +08:00
|
|
|
* @author Bernard, onelife
|
|
|
|
|
* @version 0.4 beta
|
|
|
|
|
**********************************************************************
|
|
|
|
|
* @section License
|
|
|
|
|
* The license and distribution terms for this file may be found in the file LICENSE in this
|
|
|
|
|
* distribution or at http://www.rt-thread.org/license/LICENSE
|
|
|
|
|
**********************************************************************
|
|
|
|
|
* @section Change Logs
|
|
|
|
|
* Date Author Notes
|
|
|
|
|
* 2009-10-11 Bernard first version
|
|
|
|
|
* 2010-12-29 onelife Modify for EFM32
|
|
|
|
|
*********************************************************************/
|
|
|
|
|
|
|
|
|
|
/******************************************************************//**
|
|
|
|
|
* @addtogroup cortex-m3
|
|
|
|
|
* @{
|
|
|
|
|
*********************************************************************/
|
|
|
|
|
|
|
|
|
|
.cpu cortex-m3
|
|
|
|
|
.fpu softvfp
|
|
|
|
|
.syntax unified
|
|
|
|
|
.thumb
|
|
|
|
|
.text
|
|
|
|
|
|
|
|
|
|
.global rt_hw_hard_fault
|
|
|
|
|
.type rt_hw_hard_fault, %function
|
|
|
|
|
rt_hw_hard_fault:
|
|
|
|
|
/* get current context */
|
|
|
|
|
MRS r0, psp /* get fault thread stack pointer */
|
|
|
|
|
PUSH {lr}
|
|
|
|
|
BL rt_hw_hard_fault_exception
|
|
|
|
|
POP {lr}
|
|
|
|
|
|
|
|
|
|
ORR lr, lr, #0x04
|
|
|
|
|
BX lr
|
|
|
|
|
|
|
|
|
|
/******************************************************************//**
|
|
|
|
|
* @}
|
|
|
|
|
*********************************************************************/
|
