91 lines
3.6 KiB
C
91 lines
3.6 KiB
C
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/*
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* Copyright (c) 2012 - 2017, Nordic Semiconductor ASA
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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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#ifndef NRF_SVC__
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#define NRF_SVC__
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#include "stdint.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef SVCALL_AS_NORMAL_FUNCTION
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#define SVCALL(number, return_type, signature) return_type signature
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#else
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#ifndef SVCALL
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#if defined (__CC_ARM)
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#define SVCALL(number, return_type, signature) return_type __svc(number) signature
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#elif defined (__GNUC__)
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#ifdef __cplusplus
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#define GCC_CAST_CPP (uint16_t)
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#else
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#define GCC_CAST_CPP
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#endif
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#define SVCALL(number, return_type, signature) \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \
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__attribute__((naked)) \
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__attribute__((unused)) \
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static return_type signature \
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{ \
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__asm( \
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"svc %0\n" \
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"bx r14" : : "I" (GCC_CAST_CPP number) : "r0" \
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); \
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} \
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_Pragma("GCC diagnostic pop")
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#elif defined (__ICCARM__)
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#define PRAGMA(x) _Pragma(#x)
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#define SVCALL(number, return_type, signature) \
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PRAGMA(swi_number = (number)) \
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__swi return_type signature;
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#else
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#define SVCALL(number, return_type, signature) return_type signature
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#endif
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#endif // SVCALL
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#endif // SVCALL_AS_NORMAL_FUNCTION
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_SVC__
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