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/*
Copyright (C) 2001 Malte Starostik <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _arts_cpuinfo_h
#define _arts_cpuinfo_h
#include "arts_export.h"
/*
* BC - Status (2002-03-08): CpuInfo
*
* This class will be kept binary compatible - it just exports the static
* CpuInfo::flags() function as only functionality.
*/
namespace Arts {
/**
* Provides information about the availability of the various
* "Multimedia extensions" the CPU supports. If you implement
* a routine in assembler, use @ref flags() to know which
* SIMD instructions the user's CPU knows about.
*
* @short Information about the CPU's SIMD implementation
*/
class ARTS_EXPORT CpuInfo
{
public:
/**
* Values for the detected features of the CPU:
* @li CpuMMX - CPU supports MMX
* @li CpuEMMX - CPU supports Cyrix Extended MMX
* @li Cpu3DNow - CPU supports AMD 3DNow!
* @li CpuSSE - CPU supports Intel SSE
*/
enum Flags
{
CpuMMX = 0x001, // Pentium MMX
CpuEMMX = 0x002, // Cyrix Extended MMX
Cpu3DNow = 0x004, // AMD 3DNow!
CpuSSE = 0x008 // Pentium III SSE
};
/**
* @return the @ref Flags values that correspond to the
* CPU's features. Multiple values are bitwised or'ed
*/
static int flags() { return s_flags; }
private:
friend class CpuInfoStartup;
static int s_flags;
};
}
#endif // _arts_cpuinfo_h
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