cpu.hpp

/*
  ANCH Framework: ANother C++ Hack is a C++ framework based on C++11 standard
  Copyright (C) 2012 Vincent Lachenal
 
  This file is part of ANCH Framework.
 
  ANCH Framework is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  ANCH Framework is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public License
  along with ANCH Framework.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
 
#include "singleton.hpp"
 
#ifdef ANCH_WINDOWS
 
//  Windows
#define anch_cpuid(info, x)    __cpuidex(info, x, 0)
 
#elif defined ANCH_POSIX
 
//  GCC Intrinsics
#include <cpuid.h>
void anch_cpuid(int info[4], int InfoType){
  __cpuid_count(InfoType, 0, info[0], info[1], info[2], info[3]);
}
 
#endif
 
 
namespace anch::device {

  class CPU: public anch::Singleton<CPU> {
 
    friend class anch::Singleton<CPU>;
 
    // Attributes +
  private:
    bool _aes;

    bool _mmx;

    bool _sse;

    bool _sse2;

    bool _sse3;

    bool _ssse3;

    bool _sse4;

    bool _sse4_1;

    bool _sse4_2;
    // Attributes -
 
 
    // Constructors +
  private:
    CPU() {
      int info[4];
      anch_cpuid(info, 0);
      int nIds = info[0];
      if(nIds >= 0x00000001) {
        anch_cpuid(info,0x00000001);
        _aes = (info[2] & ((int)1 << 25)) != 0;
        _mmx = (info[3] & ((int)1 << 23)) != 0;
        _sse = (info[3] & ((int)1 << 25)) != 0;
        _sse2 = (info[3] & ((int)1 << 26)) != 0;
        _sse3 = (info[2] & ((int)1 << 0)) != 0;
        _ssse3 = (info[2] & ((int)1 << 9)) != 0;
        _sse4_1 = (info[2] & ((int)1 << 19)) != 0;
        _sse4_2 = (info[2] & ((int)1 << 20)) != 0;
        _sse4 = _sse4_1 || _sse4_2;
      }
    }
    // Constructors -
 
 
    // Accessors +
  public:
    bool isAES() const;

    bool isMMX() const;

    bool isSSE() const;

    bool isSSE2() const;

    bool isSSE3() const;

    bool isSSSE3() const;

    bool isSSE4() const;

    bool isSSE4_1() const;

    bool isSSE4_2() const;
    // Accessors -
 
  };
 
}
 
#include "device/impl/cpu.hpp"