1 /* 2 * SPDX-License-Identifier: BSD-3-Clause 3 * Copyright (C) IBM Corporation 2014. 4 */ 5 6 #ifndef _RTE_PREFETCH_PPC_64_H_ 7 #define _RTE_PREFETCH_PPC_64_H_ 8 9 #include <rte_compat.h> 10 #include <rte_common.h> 11 #include "generic/rte_prefetch.h" 12 13 #ifdef __cplusplus 14 extern "C" { 15 #endif 16 17 static inline void rte_prefetch0(const volatile void *p) 18 { 19 asm volatile ("dcbt 0,%[p],0" : : [p] "r" (p)); 20 } 21 22 static inline void rte_prefetch1(const volatile void *p) 23 { 24 asm volatile ("dcbt 0,%[p],0" : : [p] "r" (p)); 25 } 26 27 static inline void rte_prefetch2(const volatile void *p) 28 { 29 asm volatile ("dcbt 0,%[p],0" : : [p] "r" (p)); 30 } 31 32 static inline void rte_prefetch_non_temporal(const volatile void *p) 33 { 34 /* non-temporal version not available, fallback to rte_prefetch0 */ 35 rte_prefetch0(p); 36 } 37 38 __rte_experimental 39 static inline void 40 rte_cldemote(const volatile void *p) 41 { 42 RTE_SET_USED(p); 43 } 44 45 #ifdef __cplusplus 46 } 47 #endif 48 49 #endif /* _RTE_PREFETCH_PPC_64_H_ */ 50