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nordic/nrf-sdk/s110/nrf_svc.h@63:708b23889028, 2014-08-31 (annotated)
- Committer:
- yihui
- Date:
- Sun Aug 31 00:58:52 2014 +0000
- Revision:
- 63:708b23889028
- Parent:
- 37:c29c330d942c
fix 'impossible constraint in asm' error for gcc toolchain
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:eff01767de02 | 1 | #ifndef NRF_SVC__ |
bogdanm | 0:eff01767de02 | 2 | #define NRF_SVC__ |
bogdanm | 0:eff01767de02 | 3 | |
bogdanm | 0:eff01767de02 | 4 | #ifdef SVCALL_AS_NORMAL_FUNCTION |
bogdanm | 0:eff01767de02 | 5 | #define SVCALL(number, return_type, signature) return_type signature |
bogdanm | 0:eff01767de02 | 6 | #else |
bogdanm | 0:eff01767de02 | 7 | |
bogdanm | 0:eff01767de02 | 8 | #ifndef SVCALL |
bogdanm | 0:eff01767de02 | 9 | #if defined (__CC_ARM) |
bogdanm | 0:eff01767de02 | 10 | #define SVCALL(number, return_type, signature) return_type __svc(number) signature |
bogdanm | 0:eff01767de02 | 11 | #elif defined (__GNUC__) |
bogdanm | 0:eff01767de02 | 12 | #define SVCALL(number, return_type, signature) \ |
bogdanm | 0:eff01767de02 | 13 | _Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \ |
bogdanm | 0:eff01767de02 | 14 | _Pragma("GCC diagnostic ignored \"-Wunused-function\"") \ |
bogdanm | 0:eff01767de02 | 15 | __attribute__((naked)) static return_type signature \ |
bogdanm | 0:eff01767de02 | 16 | { \ |
bogdanm | 0:eff01767de02 | 17 | __asm( \ |
bogdanm | 0:eff01767de02 | 18 | "svc %0\n" \ |
yihui | 63:708b23889028 | 19 | "bx r14" : : "I" ((uint32_t)number) : "r0" \ |
bogdanm | 0:eff01767de02 | 20 | ); \ |
bogdanm | 0:eff01767de02 | 21 | } |
bogdanm | 0:eff01767de02 | 22 | #elif defined (__ICCARM__) |
bogdanm | 0:eff01767de02 | 23 | #define PRAGMA(x) _Pragma(#x) |
bogdanm | 0:eff01767de02 | 24 | #define SVCALL(number, return_type, signature) \ |
bogdanm | 0:eff01767de02 | 25 | PRAGMA(swi_number = number) \ |
bogdanm | 0:eff01767de02 | 26 | __swi return_type signature; |
bogdanm | 0:eff01767de02 | 27 | #else |
bogdanm | 0:eff01767de02 | 28 | #define SVCALL(number, return_type, signature) return_type signature |
bogdanm | 0:eff01767de02 | 29 | #endif |
bogdanm | 0:eff01767de02 | 30 | #endif // SVCALL |
bogdanm | 0:eff01767de02 | 31 | |
bogdanm | 0:eff01767de02 | 32 | #endif // SVCALL_AS_NORMAL_FUNCTION |
bogdanm | 0:eff01767de02 | 33 | #endif // NRF_SVC__ |