92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/***************************************************************************
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kcpuinfo.h
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(c) 2000-2017 Benoît Minisini <benoit.minisini@gambas-basic.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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/*
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* This file is part of the KDE libraries
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* Copyright (C) 2003 Fredrik Höglund <fredrik@kde.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __KCPUINFO_H
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#define __KCPUINFO_H
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/**
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* This class provides a means for applications to obtain information at
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* runtime about processor support for certain architecture extensions,
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* such as MMX, SSE, 3DNow and AltiVec.
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*
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* @since 3.2
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*/
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class KCPUInfo
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{
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public:
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/**
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* This enum contains the list of architecture extensions you
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* can query.
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*/
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enum Extensions {
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IntelMMX = 1 << 0, //!< Intel's MMX instructions.
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IntelSSE = 1 << 1, //!< Intel's SSE instructions.
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IntelSSE2 = 1 << 2, //!< Intel's SSE2 instructions.
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AMD3DNOW = 1 << 3, //!< AMD 3DNOW instructions
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AltiVec = 1 << 4 //!< Motorola AltiVec instructions
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};
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/**
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* Returns true if the processor supports @p extension,
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* and false otherwise.
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*
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* @param extension the feature to query.
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* @return If true, the processor supports @p extension.
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* @see Extensions
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*/
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static bool haveExtension( unsigned int extension )
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{ return s_features & extension; }
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private:
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static unsigned int s_features;
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};
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#endif
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