1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifdef ENABLE_ARM 17 #include <string> 18 #ifndef MINDSPORE_LITE_SRC_CPU_INFO_H 19 #define MINDSPORE_LITE_SRC_CPU_INFO_H 20 namespace mindspore::lite { 21 #ifndef MS_COMPILE_IOS 22 #define ARM_CPU_IMPLEMENTER_MASK UINT32_C(0xFF000000) 23 #define ARM_CPU_PART_MASK UINT32_C(0x0000FFF0) 24 #define ARM_CPU_IMPLEMENTER_OFFSET 24 25 #define ARM_CPU_PART_OFFSET 4 26 typedef struct AndroidCpuInfo { 27 uint32_t cpu_implementer = 0; 28 uint32_t cpu_part = 0; 29 std::string hardware = ""; 30 } AndroidCpuInfo; 31 #endif 32 33 class CpuInfo { 34 public: 35 CpuInfo() = default; 36 virtual ~CpuInfo() = default; 37 bool ArmIsSupportFp16(); 38 39 private: 40 #ifndef MS_COMPILE_IOS 41 uint32_t StringToDigit(const std::string &str); 42 uint32_t ParseArmCpuPart(const std::string &suffix); 43 uint32_t MidrSetImplementer(uint32_t implementer); 44 uint32_t MidrSetPart(uint32_t part); 45 uint32_t ParseArmCpuImplementer(const std::string &suffix); 46 void GetArmProcCpuInfo(AndroidCpuInfo *android_cpu_info); 47 uint32_t midr_ = 0; 48 AndroidCpuInfo android_cpu_info_; 49 #endif 50 bool fp16_flag_ = false; 51 }; 52 } // namespace mindspore::lite 53 #endif // MINDSPORE_LITE_SRC_CPU_INFO_H 54 #endif 55