91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/*
|
|
* Copyright (c) 2012 - 2017, 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 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__
|