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1 | /* |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright (C) Cavium networks Ltd. 2015. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * | |
10 | * * Redistributions of source code must retain the above copyright | |
11 | * notice, this list of conditions and the following disclaimer. | |
12 | * * Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in | |
14 | * the documentation and/or other materials provided with the | |
15 | * distribution. | |
16 | * * Neither the name of Cavium networks nor the names of its | |
17 | * contributors may be used to endorse or promote products derived | |
18 | * from this software without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
31 | */ | |
32 | ||
33 | #ifndef _RTE_PREFETCH_ARM_64_H_ | |
34 | #define _RTE_PREFETCH_ARM_64_H_ | |
35 | ||
36 | #ifdef __cplusplus | |
37 | extern "C" { | |
38 | #endif | |
39 | ||
40 | #include <rte_common.h> | |
41 | #include "generic/rte_prefetch.h" | |
42 | ||
43 | static inline void rte_prefetch0(const volatile void *p) | |
44 | { | |
45 | asm volatile ("PRFM PLDL1KEEP, [%0]" : : "r" (p)); | |
46 | } | |
47 | ||
48 | static inline void rte_prefetch1(const volatile void *p) | |
49 | { | |
50 | asm volatile ("PRFM PLDL2KEEP, [%0]" : : "r" (p)); | |
51 | } | |
52 | ||
53 | static inline void rte_prefetch2(const volatile void *p) | |
54 | { | |
55 | asm volatile ("PRFM PLDL3KEEP, [%0]" : : "r" (p)); | |
56 | } | |
57 | ||
58 | static inline void rte_prefetch_non_temporal(const volatile void *p) | |
59 | { | |
60 | asm volatile ("PRFM PLDL1STRM, [%0]" : : "r" (p)); | |
61 | } | |
62 | ||
63 | #ifdef __cplusplus | |
64 | } | |
65 | #endif | |
66 | ||
67 | #endif /* _RTE_PREFETCH_ARM_64_H_ */ |