rt-thread/libcpu/arm/stm32/fault_rvds.S

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;/*
; * File : context.S
; * This file is part of RT-Thread RTOS
; * COPYRIGHT (C) 2006, RT-Thread Development Team
; *
; * 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
; *
; * Change Logs:
; * Date Author Notes
; * 2009-01-17 Bernard first version
; */
AREA |.text|, CODE, READONLY, ALIGN=2
THUMB
REQUIRE8
PRESERVE8
IMPORT rt_hw_hard_fault_exception
rt_hw_hard_fault PROC
EXPORT rt_hw_hard_fault
; get current context
MRS r0, psp ; get fault thread stack pointer
BL rt_hw_hard_fault_exception
ORR lr, lr, #0x04
BX lr