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cpu_features_cache_info.h
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1// Copyright 2017 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef CPU_FEATURES_INCLUDE_CPUINFO_COMMON_H_
16#define CPU_FEATURES_INCLUDE_CPUINFO_COMMON_H_
17
18#include "cpu_features_macros.h"
19
21
22typedef enum {
32
33typedef struct {
34 int level;
36 int cache_size; // Cache size in bytes
37 int ways; // Associativity, 0 undefined, 0xFF fully associative
38 int line_size; // Cache line size in bytes
39 int tlb_entries; // number of entries for TLB
40 int partitioning; // number of lines per sector
42
43// Increase this value if more cache levels are needed.
44#ifndef CPU_FEATURES_MAX_CACHE_LEVEL
45#define CPU_FEATURES_MAX_CACHE_LEVEL 10
46#endif
47typedef struct {
48 int size;
50} CacheInfo;
51
53
54#endif // CPU_FEATURES_INCLUDE_CPUINFO_COMMON_H_
CacheType
Definition cpu_features_cache_info.h:22
@ CPU_FEATURE_CACHE_DATA
Definition cpu_features_cache_info.h:24
@ CPU_FEATURE_CACHE_STLB
Definition cpu_features_cache_info.h:29
@ CPU_FEATURE_CACHE_UNIFIED
Definition cpu_features_cache_info.h:26
@ CPU_FEATURE_CACHE_TLB
Definition cpu_features_cache_info.h:27
@ CPU_FEATURE_CACHE_DTLB
Definition cpu_features_cache_info.h:28
@ CPU_FEATURE_CACHE_PREFETCH
Definition cpu_features_cache_info.h:30
@ CPU_FEATURE_CACHE_INSTRUCTION
Definition cpu_features_cache_info.h:25
@ CPU_FEATURE_CACHE_NULL
Definition cpu_features_cache_info.h:23
#define CPU_FEATURES_MAX_CACHE_LEVEL
Definition cpu_features_cache_info.h:45
#define CPU_FEATURES_START_CPP_NAMESPACE
Definition cpu_features_macros.h:127
#define CPU_FEATURES_END_CPP_NAMESPACE
Definition cpu_features_macros.h:128
Definition cpu_features_cache_info.h:47
int size
Definition cpu_features_cache_info.h:48
Definition cpu_features_cache_info.h:33
int tlb_entries
Definition cpu_features_cache_info.h:39
int cache_size
Definition cpu_features_cache_info.h:36
int partitioning
Definition cpu_features_cache_info.h:40
int level
Definition cpu_features_cache_info.h:34
CacheType cache_type
Definition cpu_features_cache_info.h:35
int line_size
Definition cpu_features_cache_info.h:38
int ways
Definition cpu_features_cache_info.h:37