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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h new file mode 100644 index 0000000..37e3183 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h @@ -0,0 +1,165 @@ +/** + * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#ifndef HARDFAULT_GENHF_H__ +#define HARDFAULT_GENHF_H__ + +#include "compiler_abstraction.h" + +#ifdef __cplusplus +extern "C" { +#endif +/** + * @defgroup hardfault_genhf Generating HardFaults for testing + * @{ + * @brief Macros and functions used to generate a HardFault in a selected place. + * @ingroup hardfault_default + * + * This functionality is meant to be used while testing the @ref hardfault_default library functionality. + */ + +/** + * @brief Function for generating an invalid function pointer HardFault. + * + * Function tries to jump into illegal address. + */ +static inline void hardfault_genhf_invalid_fp(void); + +/** + * @brief Function for generating an undefined instruction HardFault. + * + * This function places the value in the code area that is not the legal instruction. + */ +static inline void hardfault_genhf_undefined_instr(void); + +/** + * @brief Function for generating an unaligned LDM access HardFault. + * + * This function generates fault exception loading values from an unaligned address. + */ +static inline void hardfault_genhf_ldm_align(void); + +#if defined( __CC_ARM ) + +static inline __ASM void hardfault_genhf_invalid_fp(void) +{ + MOVS r0, #0 + BLX r0 +} + +static inline __ASM void hardfault_genhf_undefined_instr(void) +{ + DCI 0xf123 + DCI 0x4567 +} + +static inline __ASM void hardfault_genhf_ldm_align(void) +{ + MOVS r0, #1 + LDM r0!, {r1-r2} +} + +#elif defined( __ICCARM__ ) + +#pragma inline=forced +static inline void hardfault_genhf_invalid_fp(void) +{ + __ASM volatile( + " movs r0, #0 \n" + " blx r0 \n" + ); +} + +#pragma inline=forced +static inline void hardfault_genhf_undefined_instr(void) +{ + __ASM volatile( + "DATA \n" + " DC16 0xf123 \n" + " DC16 0x4567 \n" + ); +} + +#pragma inline=forced +static inline void hardfault_genhf_ldm_align(void) +{ + __ASM volatile( + " movs r0, #1 \n" + " ldm r0!, {r1-r2} \n" + ); +} + +#elif defined( __GNUC__ ) + +static inline void hardfault_genhf_invalid_fp(void) +{ + __ASM volatile( + " .syntax unified \n" + " movs r0, #0 \n" + " blx r0 \n" + ); +} + +static inline void hardfault_genhf_undefined_instr(void) +{ + __ASM volatile( + " .hword 0xf123 \n" + " .hword 0x4567 \n" + ); +} + +static inline void hardfault_genhf_ldm_align(void) +{ + __ASM volatile( + " .syntax unified \n" + " movs r0, #1 \n" + " ldm r0!, {r1-r2} \n" + ); +} + +#else +#error "Unsupported compiler" +#endif + +/** @} */ +#ifdef __cplusplus +} +#endif + +#endif /* HARDFAULT_GENHF_H__ */ |