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

;/*
; * File      : fault_iar.S
; * This file is part of RT-Thread RTOS
; * COPYRIGHT (C) 2009, 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
; */

    SECTION    .text:CODE(2)
    THUMB
    REQUIRE8
    PRESERVE8

    IMPORT rt_hw_hard_fault_exception

    EXPORT rt_hw_hard_fault
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

    END