f91f73ede2
The nrf51822 chip is still widely available, for example in the BBC micro:bit. Therefore it's a good idea to support it too. Unfortunately, Nordic decided to change the API in some significant ways so many parts are not compatible between S110 for nrf51 and the other nrf52* SoftDevices.
72 lines
2.9 KiB
C
72 lines
2.9 KiB
C
/*
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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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