ref: ae73411f9ab5de7f104d8bc046fc9db8ec05f716
dir: /codec/processing/src/common/cpu.h/
/*! * \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 * ************************************************************************************* */ #ifndef WELSVP_CPU_H #define WELSVP_CPU_H #include "typedef.h" WELSVP_NAMESPACE_BEGIN /* * WELS CPU feature flags */ #define WELS_CPU_MMX 0x00000001 /* mmx */ #define WELS_CPU_MMXEXT 0x00000002 /* mmx-ext*/ #define WELS_CPU_SSE 0x00000004 /* sse */ #define WELS_CPU_SSE2 0x00000008 /* sse 2 */ #define WELS_CPU_SSE3 0x00000010 /* sse 3 */ #define WELS_CPU_SSE41 0x00000020 /* sse 4.1 */ #define WELS_CPU_3DNOW 0x00000040 /* 3dnow! */ #define WELS_CPU_3DNOWEXT 0x00000080 /* 3dnow! ext */ #define WELS_CPU_ALTIVEC 0x00000100 /* altivec */ #define WELS_CPU_SSSE3 0x00000200 /* ssse3 */ #define WELS_CPU_SSE42 0x00000400 /* sse 4.2 */ /* CPU features application extensive */ #define WELS_CPU_AVX 0x00000800 /* Advanced Vector eXtentions */ #define WELS_CPU_FPU 0x00001000 /* x87-FPU on chip */ #define WELS_CPU_HTT 0x00002000 /* Hyper-Threading Technology (HTT), Multi-threading enabled feature: physical processor package is capable of supporting more than one logic processor */ #define WELS_CPU_CMOV 0x00004000 /* Conditional Move Instructions, also if x87-FPU is present at indicated by the CPUID.FPU feature bit, then FCOMI and FCMOV are supported */ #define WELS_CPU_MOVBE 0x00008000 /* MOVBE instruction */ #define WELS_CPU_AES 0x00010000 /* AES instruction extensions */ #define WELS_CPU_FMA 0x00020000 /* AVX VEX FMA instruction sets */ #define WELS_CPU_CACHELINE_16 0x10000000 /* CacheLine Size 16 */ #define WELS_CPU_CACHELINE_32 0x20000000 /* CacheLine Size 32 */ #define WELS_CPU_CACHELINE_64 0x40000000 /* CacheLine Size 64 */ #define WELS_CPU_CACHELINE_128 0x80000000 /* CacheLine Size 128 */ /* * Interfaces for CPU core feature detection as below */ #ifdef X86_ASM WELSVP_EXTERN_C_BEGIN 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(); WELSVP_EXTERN_C_END #endif uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors); WELSVP_NAMESPACE_END #endif