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81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
// Copyright 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_CPU_FEATURES_INCLUDE_CPUINFO_ARM_H_
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#define THIRD_PARTY_CPU_FEATURES_INCLUDE_CPUINFO_ARM_H_
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#include "cpu_features_macros.h"
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START_CPP_NAMESPACE
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typedef struct {
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int vfp : 1; // Vector Floating Point.
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int iwmmxt : 1; // Intel Wireless MMX Technology.
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int neon : 1; // Advanced SIMD.
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int vfpv3 : 1; // VFP version 3
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int vfpv3d16 : 1; // VFP version 3 with 16 D-registers
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int vfpv4 : 1; // VFP version 4 with fast context switching
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int idiva : 1; // SDIV and UDIV hardware division in ARM mode.
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int idivt : 1; // SDIV and UDIV hardware division in Thumb mode.
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int aes : 1; // Hardware-accelerated Advanced Encryption Standard.
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int pmull : 1; // Polynomial multiply long.
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int sha1 : 1; // Hardware-accelerated SHA1.
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int sha2 : 1; // Hardware-accelerated SHA2-256.
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int crc32 : 1; // Hardware-accelerated CRC-32.
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// Make sure to update ArmFeaturesEnum below if you add a field here.
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} ArmFeatures;
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typedef struct {
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ArmFeatures features;
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int implementer;
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int architecture;
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int variant;
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int part;
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int revision;
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} ArmInfo;
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// TODO(user): Add macros to know which features are present at compile
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// time.
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ArmInfo GetArmInfo(void);
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////////////////////////////////////////////////////////////////////////////////
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// Introspection functions
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typedef enum {
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ARM_VFP,
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ARM_IWMMXT,
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ARM_NEON,
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ARM_VFPV3,
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ARM_VFPV3D16,
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ARM_VFPV4,
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ARM_IDIVA,
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ARM_IDIVT,
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ARM_AES,
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ARM_PMULL,
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ARM_SHA1,
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ARM_SHA2,
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ARM_CRC32,
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ARM_LAST_,
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} ArmFeaturesEnum;
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int GetArmFeaturesEnumValue(const ArmFeatures* features, ArmFeaturesEnum value);
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const char* GetArmFeaturesEnumName(ArmFeaturesEnum);
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END_CPP_NAMESPACE
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#endif // THIRD_PARTY_CPU_FEATURES_INCLUDE_CPUINFO_ARM_H_
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