* Copyright 2021 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef ENABLE_ARM
#include <string>
#ifndef MINDSPORE_LITE_SRC_CPU_INFO_H
#define MINDSPORE_LITE_SRC_CPU_INFO_H
namespace mindspore::lite {
#ifndef MS_COMPILE_IOS
#define ARM_CPU_IMPLEMENTER_MASK UINT32_C(0xFF000000)
#define ARM_CPU_PART_MASK UINT32_C(0x0000FFF0)
#define ARM_CPU_IMPLEMENTER_OFFSET 24
#define ARM_CPU_PART_OFFSET 4
typedef struct AndroidCpuInfo {
uint32_t cpu_implementer = 0;
uint32_t cpu_part = 0;
std::string hardware = "";
} AndroidCpuInfo;
#endif
class CpuInfo {
public:
CpuInfo() = default;
virtual ~CpuInfo() = default;
bool ArmIsSupportFp16();
private:
#ifndef MS_COMPILE_IOS
uint32_t StringToDigit(const std::string &str);
uint32_t ParseArmCpuPart(const std::string &suffix);
uint32_t MidrSetImplementer(uint32_t implementer);
uint32_t MidrSetPart(uint32_t part);
uint32_t ParseArmCpuImplementer(const std::string &suffix);
void GetArmProcCpuInfo(AndroidCpuInfo *android_cpu_info);
uint32_t midr_ = 0;
AndroidCpuInfo android_cpu_info_;
#endif
bool fp16_flag_ = false;
};
}
#endif
#endif