/* | |
* Copyright (c) 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 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 other | |
* contributors to this software may be used to endorse or promote products | |
* derived from this software without specific prior written permission. | |
* | |
* 4. This software must only be used in a processor manufactured by Nordic | |
* Semiconductor ASA, or in a processor manufactured by a third party that | |
* is used in combination with a processor manufactured by Nordic Semiconductor. | |
* | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 NRF_SVC__ | |
#define NRF_SVC__ | |
#include "stdint.h" | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
#ifdef SVCALL_AS_NORMAL_FUNCTION | |
#define SVCALL(number, return_type, signature) return_type signature | |
#else | |
#ifndef SVCALL | |
#if defined (__CC_ARM) | |
#define SVCALL(number, return_type, signature) return_type __svc(number) signature | |
#elif defined (__GNUC__) | |
#ifdef __cplusplus | |
#define GCC_CAST_CPP (uint16_t) | |
#else | |
#define GCC_CAST_CPP | |
#endif | |
#define SVCALL(number, return_type, signature) \ | |
_Pragma("GCC diagnostic push") \ | |
_Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \ | |
__attribute__((naked)) \ | |
__attribute__((unused)) \ | |
static return_type signature \ | |
{ \ | |
__asm( \ | |
"svc %0\n" \ | |
"bx r14" : : "I" (GCC_CAST_CPP number) : "r0" \ | |
); \ | |
} \ | |
_Pragma("GCC diagnostic pop") | |
#elif defined (__ICCARM__) | |
#define PRAGMA(x) _Pragma(#x) | |
#define SVCALL(number, return_type, signature) \ | |
PRAGMA(swi_number = (number)) \ | |
__swi return_type signature; | |
#else | |
#define SVCALL(number, return_type, signature) return_type signature | |
#endif | |
#endif // SVCALL | |
#endif // SVCALL_AS_NORMAL_FUNCTION | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif // NRF_SVC__ |