91 lines
5.1 KiB
C++
91 lines
5.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// MuldeR's Utilities for Qt
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// Copyright (C) 2004-2019 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// http://www.gnu.org/licenses/lgpl-2.1.txt
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//////////////////////////////////////////////////////////////////////////////////
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/**
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* @file
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* @brief This file contains function for detecting information about the CPU
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*
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* Call the MUtils::CPUFetaures::detect() to detect information about the processor, which will be returned in a `MUtils::CPUFetaures::cpu_info_t` struct.
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*/
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#pragma once
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//MUtils
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#include <MUtils/Global.h>
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//Qt
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#include <QStringList>
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namespace MUtils
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{
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/**
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* \brief This namespace contains functions and constants for detecting CPU information
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*
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* Call the detect() to detect information about the processor, which will be returned in a `cpu_info_t` struct.
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*/
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namespace CPUFetaures
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{
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// CPU vendor flag
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static const quint8 VENDOR_INTEL = 0x01U; ///< \brief CPU vendor flag \details Indicates that the CPU's vendor is *Intel*
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static const quint8 VENDOR_AMD = 0x02U; ///< \brief CPU vendor flag \details Indicates that the CPU's vendor is *AMD*
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// CPU feature flag
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static const quint32 FLAG_CMOV = 0x001U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *CMOV* instruction
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static const quint32 FLAG_MMX = 0x002U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *MMX* instruction set extension
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static const quint32 FLAG_SSE = 0x004U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *SSE* instruction set extension
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static const quint32 FLAG_SSE2 = 0x008U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *SSE2* instruction set extension
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static const quint32 FLAG_SSE3 = 0x010U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *SSE3* instruction set extension
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static const quint32 FLAG_SSSE3 = 0x020U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *SSSE3* instruction set extension
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static const quint32 FLAG_SSE41 = 0x040U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *SSE4.1* instruction set extension
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static const quint32 FLAG_SSE42 = 0x080U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *SSE4.2* instruction set extension
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static const quint32 FLAG_AVX = 0x100U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *AVX* instruction set extension
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static const quint32 FLAG_AVX2 = 0x200U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *AVX2* instruction set extension
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static const quint32 FLAG_FMA3 = 0x400U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *FMA3* instruction
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static const quint32 FLAG_LZCNT = 0x800U; ///< \brief CPU feature flag \details Indicates that the CPU supports the *LZCNT* instruction
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/**
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* \brief Struct to hold information about the CPU. See `_cpu_info_t` for details!
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*/
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typedef struct _cpu_info_t
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{
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quint32 family; ///< CPU *family* indicator, which specifies the processor "generation" to which the CPU belongs
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quint32 model; ///< CPU *model* indicator, which is used to distinguish processor "variants" within a generation
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quint32 stepping; ///< CPU *stepping* indicator, which is used to distinguish "revisions" of a certain processor model
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quint32 count; ///< The number of available (logical) processors
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quint32 features; ///< CPU *feature* flags, indicating suppoprt for extended instruction sets; all flags are OR-combined
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bool x64; ///< Indicates that the processor and the operating system support 64-Bit (AMD64/EM64T)
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quint8 vendor; ///< CPU *vendor* flag; might be zero, if vendor is unknown
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char idstr[13]; ///< CPU *identifier* string, exactly 12 characters (e.g. "GenuineIntel" or "AuthenticAMD")
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char brand[48]; ///< CPU *brand* string, up to 48 characters (e.g. "Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz")
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}
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cpu_info_t;
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/**
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* \brief Detect processor information
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*
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* Detects information about the CPU on which the application is running, including CPU vendor, identifier string, feature flags (MMX, SSE, AVX, etc) as well as the CPU core count.
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*
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* \return The function returns a `cpu_info_t` struct containing the detected information about the CPU.
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*/
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MUTILS_API cpu_info_t detect(void);
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}
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}
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