1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2015 RehiveTech. All rights reserved. 3 */ 4 5 #ifndef _RTE_PREFETCH_ARM32_H_ 6 #define _RTE_PREFETCH_ARM32_H_ 7 8 #ifdef __cplusplus 9 extern "C" { 10 #endif 11 12 #include <rte_common.h> 13 #include "generic/rte_prefetch.h" 14 15 static inline void rte_prefetch0(const volatile void *p) 16 { 17 asm volatile ("pld [%0]" : : "r" (p)); 18 } 19 20 static inline void rte_prefetch1(const volatile void *p) 21 { 22 asm volatile ("pld [%0]" : : "r" (p)); 23 } 24 25 static inline void rte_prefetch2(const volatile void *p) 26 { 27 asm volatile ("pld [%0]" : : "r" (p)); 28 } 29 30 static inline void rte_prefetch_non_temporal(const volatile void *p) 31 { 32 /* non-temporal version not available, fallback to rte_prefetch0 */ 33 rte_prefetch0(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_ARM32_H_ */ 48