72 lines
2.9 KiB
C
72 lines
2.9 KiB
C
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/*
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* Copyright (c) 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 must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other 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 other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* 4. This software must only be used in a processor manufactured by Nordic
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* Semiconductor ASA, or in a processor manufactured by a third party that
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* is used in combination with a processor manufactured by Nordic Semiconductor.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef NRF_SVC__
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#define NRF_SVC__
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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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#define SVCALL(number, return_type, signature) \
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_Pragma("GCC diagnostic ignored \"-Wunused-function\"") \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \
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__attribute__((naked)) 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" (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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#endif // NRF_SVC__
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