90 lines
1.4 KiB
C++
90 lines
1.4 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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// Detect the cpu, so we'll know which optimizations to use
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#ifndef _CPUDETECT_H_
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#define _CPUDETECT_H_
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#include <string>
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enum CPUVendor
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{
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VENDOR_INTEL = 0,
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VENDOR_AMD = 1,
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VENDOR_ARM = 2,
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VENDOR_OTHER = 3,
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};
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struct CPUInfo
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{
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CPUVendor vendor;
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char cpu_string[0x21];
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char brand_string[0x41];
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bool OS64bit;
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bool CPU64bit;
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bool Mode64bit;
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bool HTT;
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int num_cores;
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int logical_cpu_count;
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bool bSSE;
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bool bSSE2;
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bool bSSE3;
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bool bSSSE3;
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bool bPOPCNT;
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bool bSSE4_1;
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bool bSSE4_2;
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bool bLZCNT;
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bool bSSE4A;
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bool bAVX;
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bool bFMA;
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bool bAES;
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// FXSAVE/FXRSTOR
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bool bFXSR;
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// This flag indicates that the hardware supports some mode
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// in which denormal inputs _and_ outputs are automatically set to (signed) zero.
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// TODO: ARM
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bool bFlushToZero;
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bool bLAHFSAHF64;
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bool bLongMode;
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// ARM specific CPUInfo
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bool bSwp;
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bool bHalf;
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bool bThumb;
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bool bFastMult;
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bool bVFP;
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bool bEDSP;
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bool bThumbEE;
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bool bNEON;
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bool bVFPv3;
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bool bTLS;
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bool bVFPv4;
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bool bIDIVa;
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bool bIDIVt;
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bool bArmV7; // enable MOVT, MOVW etc
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// ARMv8 specific
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bool bFP;
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bool bASIMD;
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// Call Detect()
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explicit CPUInfo();
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// Turn the cpu info into a string we can show
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std::string Summarize();
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bool IsUnsafe();
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private:
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// Detects the various cpu features
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void Detect();
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};
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extern CPUInfo cpu_info;
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#endif // _CPUDETECT_H_
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