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- /*
- * 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 (uint8_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__
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