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/*
* mptCPU.h
* --------
* Purpose: CPU feature detection.
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#pragma once
#include "openmpt/all/BuildSettings.hpp"
OPENMPT_NAMESPACE_BEGIN
namespace CPU
{
namespace feature {
inline constexpr uint32 lm = 0x00004; // Processor supports long mode (amd64)
inline constexpr uint32 mmx = 0x00010; // Processor supports MMX instructions
inline constexpr uint32 sse = 0x00100; // Processor supports SSE instructions
inline constexpr uint32 sse2 = 0x00200; // Processor supports SSE2 instructions
inline constexpr uint32 sse3 = 0x00400; // Processor supports SSE3 instructions
inline constexpr uint32 ssse3 = 0x00800; // Processor supports SSSE3 instructions
inline constexpr uint32 sse4_1 = 0x01000; // Processor supports SSE4.1 instructions
inline constexpr uint32 sse4_2 = 0x02000; // Processor supports SSE4.2 instructions
inline constexpr uint32 avx = 0x10000; // Processor supports AVX instructions
inline constexpr uint32 avx2 = 0x20000; // Processor supports AVX2 instructions
} // namespace feature
#ifdef MPT_ENABLE_ARCH_INTRINSICS
extern uint32 EnabledFeatures;
struct Info
{
public:
uint32 AvailableFeatures = 0;
uint32 CPUID = 0;
char VendorID[16+1] = {};
char BrandID[4*4*3+1] = {};
uint16 Family = 0;
uint8 Model = 0;
uint8 Stepping = 0;
private:
Info();
public:
static const Info & Get();
};
void EnableAvailableFeatures();
struct AvailableFeaturesEnabler
{
AvailableFeaturesEnabler()
{
EnableAvailableFeatures();
}
};
// enabled processor features for inline asm and intrinsics
MPT_FORCEINLINE uint32 GetEnabledFeatures()
{
return EnabledFeatures;
}
MPT_FORCEINLINE bool HasFeatureSet(uint32 features)
{
return features == (GetEnabledFeatures() & features);
}
#endif // MPT_ENABLE_ARCH_INTRINSICS
uint32 GetMinimumFeatures();
} // namespace CPU
OPENMPT_NAMESPACE_END
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