166 lines
4.5 KiB
C
166 lines
4.5 KiB
C
/**
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* Copyright (c) 2015 - 2019, Nordic Semiconductor ASA
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*
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef HARDFAULT_GENHF_H__
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#define HARDFAULT_GENHF_H__
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#include "compiler_abstraction.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup hardfault_genhf Generating HardFaults for testing
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* @{
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* @brief Macros and functions used to generate a HardFault in a selected place.
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* @ingroup hardfault_default
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*
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* This functionality is meant to be used while testing the @ref hardfault_default library functionality.
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*/
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/**
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* @brief Function for generating an invalid function pointer HardFault.
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*
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* Function tries to jump into illegal address.
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*/
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static inline void hardfault_genhf_invalid_fp(void);
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/**
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* @brief Function for generating an undefined instruction HardFault.
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*
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* This function places the value in the code area that is not the legal instruction.
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*/
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static inline void hardfault_genhf_undefined_instr(void);
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/**
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* @brief Function for generating an unaligned LDM access HardFault.
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*
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* This function generates fault exception loading values from an unaligned address.
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*/
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static inline void hardfault_genhf_ldm_align(void);
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#if defined( __CC_ARM )
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static inline __ASM void hardfault_genhf_invalid_fp(void)
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{
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MOVS r0, #0
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BLX r0
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}
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static inline __ASM void hardfault_genhf_undefined_instr(void)
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{
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DCI 0xf123
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DCI 0x4567
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}
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static inline __ASM void hardfault_genhf_ldm_align(void)
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{
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MOVS r0, #1
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LDM r0!, {r1-r2}
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}
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#elif defined( __ICCARM__ )
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#pragma inline=forced
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static inline void hardfault_genhf_invalid_fp(void)
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{
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__ASM volatile(
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" movs r0, #0 \n"
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" blx r0 \n"
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);
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}
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#pragma inline=forced
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static inline void hardfault_genhf_undefined_instr(void)
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{
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__ASM volatile(
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"DATA \n"
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" DC16 0xf123 \n"
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" DC16 0x4567 \n"
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);
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}
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#pragma inline=forced
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static inline void hardfault_genhf_ldm_align(void)
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{
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__ASM volatile(
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" movs r0, #1 \n"
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" ldm r0!, {r1-r2} \n"
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);
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}
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#elif defined( __GNUC__ )
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static inline void hardfault_genhf_invalid_fp(void)
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{
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__ASM volatile(
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" .syntax unified \n"
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" movs r0, #0 \n"
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" blx r0 \n"
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);
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}
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static inline void hardfault_genhf_undefined_instr(void)
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{
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__ASM volatile(
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" .hword 0xf123 \n"
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" .hword 0x4567 \n"
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);
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}
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static inline void hardfault_genhf_ldm_align(void)
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{
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__ASM volatile(
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" .syntax unified \n"
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" movs r0, #1 \n"
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" ldm r0!, {r1-r2} \n"
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);
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}
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#else
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#error "Unsupported compiler"
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#endif
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* HARDFAULT_GENHF_H__ */
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