1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2015 Cavium, Inc 3 */ 4 5 #ifndef _RTE_PREFETCH_ARM_64_H_ 6 #define _RTE_PREFETCH_ARM_64_H_ 7 8 #include <rte_compat.h> 9 #include <rte_common.h> 10 #include "generic/rte_prefetch.h" 11 12 #ifdef __cplusplus 13 extern "C" { 14 #endif 15 16 static inline void rte_prefetch0(const volatile void *p) 17 { 18 asm volatile ("PRFM PLDL1KEEP, [%0]" : : "r" (p)); 19 } 20 21 static inline void rte_prefetch1(const volatile void *p) 22 { 23 asm volatile ("PRFM PLDL2KEEP, [%0]" : : "r" (p)); 24 } 25 26 static inline void rte_prefetch2(const volatile void *p) 27 { 28 asm volatile ("PRFM PLDL3KEEP, [%0]" : : "r" (p)); 29 } 30 31 static inline void rte_prefetch_non_temporal(const volatile void *p) 32 { 33 asm volatile ("PRFM PLDL1STRM, [%0]" : : "r" (p)); 34 } 35 36 __rte_experimental 37 static inline void 38 rte_cldemote(const volatile void *p) 39 { 40 RTE_SET_USED(p); 41 } 42 43 #ifdef __cplusplus 44 } 45 #endif 46 47 #endif /* _RTE_PREFETCH_ARM_64_H_ */ 48