1 #ifndef _GPXE_NAP_H 2 #define _GPXE_NAP_H 3 4 /** @file 5 * 6 * CPU sleeping 7 * 8 */ 9 10 FILE_LICENCE ( GPL2_OR_LATER ); 11 12 #include <gpxe/api.h> 13 #include <config/nap.h> 14 15 /** 16 * Calculate static inline CPU sleeping API function name 17 * 18 * @v _prefix Subsystem prefix 19 * @v _api_func API function 20 * @ret _subsys_func Subsystem API function 21 */ 22 #define NAP_INLINE( _subsys, _api_func ) \ 23 SINGLE_API_INLINE ( NAP_PREFIX_ ## _subsys, _api_func ) 24 25 /** 26 * Provide an CPU sleeping API implementation 27 * 28 * @v _prefix Subsystem prefix 29 * @v _api_func API function 30 * @v _func Implementing function 31 */ 32 #define PROVIDE_NAP( _subsys, _api_func, _func ) \ 33 PROVIDE_SINGLE_API ( NAP_PREFIX_ ## _subsys, _api_func, _func ) 34 35 /** 36 * Provide a static inline CPU sleeping API implementation 37 * 38 * @v _prefix Subsystem prefix 39 * @v _api_func API function 40 */ 41 #define PROVIDE_NAP_INLINE( _subsys, _api_func ) \ 42 PROVIDE_SINGLE_API_INLINE ( NAP_PREFIX_ ## _subsys, _api_func ) 43 44 /* Include all architecture-independent I/O API headers */ 45 #include <gpxe/null_nap.h> 46 47 /* Include all architecture-dependent I/O API headers */ 48 #include <bits/nap.h> 49 50 /** 51 * Sleep until next CPU interrupt 52 * 53 */ 54 void cpu_nap ( void ); 55 56 #endif /* _GPXE_NAP_H */ 57
