libcruft-util/cpuid/x86.hpp

52 lines
1.1 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2018 Danny Robson <danny@nerdcruft.net>
*/
#pragma once
#include "../platform.hpp"
#if !defined(PROCESSOR_AMD64)
#error "Wrong architecture"
#endif
#include <array>
#include <iosfwd>
namespace cruft::cpu {
/// Queries x86 CPU features using the CPUID instruction.
struct x86 {
x86 ();
struct {
int logical;
// currently unused because we lack APIC enumeration code
// required for physical:logical mappings.
int physical = 0;
bool hyper_threading;
} cores;
struct {
bool sse;
bool sse2;
bool sse3;
bool ssse3;
bool sse41;
bool sse42;
bool avx;
} simd;
std::array<char,12> vendor_name;
std::array<char,48> product_name;
};
std::ostream&
operator<< (std::ostream&, const cruft::cpu::x86&);
};