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suyu/src/common/x64/cpu_detect.h

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C++

// Copyright 2013 Dolphin Emulator Project / 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
namespace Common {
/// x86/x64 CPU vendors that may be detected by this module
enum class CPUVendor {
INTEL,
AMD,
OTHER,
};
/// x86/x64 CPU capabilities that may be detected by this module
struct CPUCaps {
CPUVendor vendor;
char cpu_string[0x21];
char brand_string[0x41];
int num_cores;
bool sse;
bool sse2;
bool sse3;
bool ssse3;
bool sse4_1;
bool sse4_2;
bool lzcnt;
bool avx;
bool avx2;
bool bmi1;
bool bmi2;
bool fma;
bool fma4;
bool aes;
// Support for the FXSAVE and FXRSTOR instructions
bool fxsave_fxrstor;
bool movbe;
// This flag indicates that the hardware supports some mode in which denormal inputs and outputs
// are automatically set to (signed) zero.
bool flush_to_zero;
// Support for LAHF and SAHF instructions in 64-bit mode
bool lahf_sahf_64;
bool long_mode;
};
/**
* Gets the supported capabilities of the host CPU
* @return Reference to a CPUCaps struct with the detected host CPU capabilities
*/
const CPUCaps& GetCPUCaps();
/**
* Gets a string summary of the name and supported capabilities of the host CPU
* @return String summary
*/
std::string GetCPUCapsString();
} // namespace Common