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- #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
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif
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