gnss-sdr/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/include/cpu_features_cache_info.h

47 lines
1.2 KiB
C

// SPDX-FileCopyrightText: 2017 Google Inc.
// SPDX-License-Identifier: Apache-2.0
#ifndef CPU_FEATURES_INCLUDE_CPUINFO_COMMON_H_
#define CPU_FEATURES_INCLUDE_CPUINFO_COMMON_H_
#include "cpu_features_macros.h"
CPU_FEATURES_START_CPP_NAMESPACE
typedef enum
{
CPU_FEATURE_CACHE_NULL = 0,
CPU_FEATURE_CACHE_DATA = 1,
CPU_FEATURE_CACHE_INSTRUCTION = 2,
CPU_FEATURE_CACHE_UNIFIED = 3,
CPU_FEATURE_CACHE_TLB = 4,
CPU_FEATURE_CACHE_DTLB = 5,
CPU_FEATURE_CACHE_STLB = 6,
CPU_FEATURE_CACHE_PREFETCH = 7
} CacheType;
typedef struct
{
int level;
CacheType cache_type;
int cache_size; // Cache size in bytes
int ways; // Associativity, 0 undefined, 0xFF fully associative
int line_size; // Cache line size in bytes
int tlb_entries; // number of entries for TLB
int partitioning; // number of lines per sector
} CacheLevelInfo;
// Increase this value if more cache levels are needed.
#ifndef CPU_FEATURES_MAX_CACHE_LEVEL
#define CPU_FEATURES_MAX_CACHE_LEVEL 10
#endif
typedef struct
{
int size;
CacheLevelInfo levels[CPU_FEATURES_MAX_CACHE_LEVEL];
} CacheInfo;
CPU_FEATURES_END_CPP_NAMESPACE
#endif // CPU_FEATURES_INCLUDE_CPUINFO_COMMON_H_