/*! * \copy *     Copyright (c)  2009-2013, Cisco Systems *     All rights reserved. * *     Redistribution and use in source and binary forms, with or without *     modification, are permitted provided that the following conditions *     are met: * *        * Redistributions of source code must retain the above copyright *          notice, this list of conditions and the following disclaimer. * *        * Redistributions in binary form must reproduce the above copyright *          notice, this list of conditions and the following disclaimer in *          the documentation and/or other materials provided with the *          distribution. * *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *     POSSIBILITY OF SUCH DAMAGE. * * * \file    cpu.h * * \brief   CPU feature compatibility detection * * \date    04/29/2009 Created * ************************************************************************************* */#if !defined(WELS_CPU_DETECTION_H__)#define WELS_CPU_DETECTION_H__ #include "typedefs.h"#include "cpu_core.h"  #if defined(__cplusplus)extern "C" {#endif//__cplusplus #if defined(X86_ASM)/* *  cpuid support verify routine *  return 0 if cpuid is not supported by cpu */int32_t  WelsCPUIdVerify(); void WelsCPUId (uint32_t uiIndex, uint32_t* pFeatureA, uint32_t* pFeatureB, uint32_t* pFeatureC, uint32_t* pFeatureD); int32_t WelsCPUSupportAVX (uint32_t eax, uint32_t ecx);int32_t WelsCPUSupportFMA (uint32_t eax, uint32_t ecx); void WelsEmms(); /* *  clear FPU registers states for potential float based calculation if support */void     WelsCPURestore (const uint32_t kuiCPU); #else#define WelsEmms()#endif uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors); #if defined(__cplusplus)}#endif//__cplusplus #endif//WELS_CPU_DETECTION_H__