mirror of https://github.com/yuzu-mirror/yuzu
Common: Cleanup CPU capability detection code.
bunnei
10 years ago
parent
a1942238f5
commit
0ee00861f6
@ -1,81 +1,66 @@
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// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
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// Copyright 2013 Dolphin Emulator Project / 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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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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#pragma once
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#pragma once
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#include <string>
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#include <string>
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namespace Common {
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namespace Common {
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enum CPUVendor
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/// x86/x64 CPU vendors that may be detected by this module
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{
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enum class CPUVendor {
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VENDOR_INTEL = 0,
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INTEL,
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VENDOR_AMD = 1,
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AMD,
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VENDOR_ARM = 2,
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OTHER,
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VENDOR_OTHER = 3,
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};
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};
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struct CPUInfo
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/// x86/x64 CPU capabilities that may be detected by this module
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{
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struct CPUCaps {
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CPUVendor vendor;
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CPUVendor vendor;
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char cpu_string[0x21];
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char cpu_string[0x21];
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char brand_string[0x41];
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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 num_cores;
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int logical_cpu_count;
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bool sse;
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bool sse2;
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bool sse3;
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bool ssse3;
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bool sse4_1;
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bool sse4_2;
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bool lzcnt;
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bool avx;
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bool avx2;
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bool bmi1;
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bool bmi2;
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bool fma;
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bool fma4;
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bool aes;
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bool bSSE;
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// Support for the FXSAVE and FXRSTOR instructions
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bool bSSE2;
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bool fxsave_fxrstor;
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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 bAVX2;
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bool bBMI1;
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bool bBMI2;
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bool bFMA;
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bool bFMA4;
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bool bAES;
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// FXSAVE/FXRSTOR
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bool bFXSR;
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bool bMOVBE;
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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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bool bFlushToZero;
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bool bLAHFSAHF64;
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bool bLongMode;
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bool bAtom;
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// ARMv8 specific
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bool movbe;
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bool bFP;
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bool bASIMD;
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bool bCRC32;
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bool bSHA1;
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bool bSHA2;
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// Call Detect()
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// This flag indicates that the hardware supports some mode in which denormal inputs and outputs
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explicit CPUInfo();
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// are automatically set to (signed) zero.
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bool flush_to_zero;
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// Turn the cpu info into a string we can show
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// Support for LAHF and SAHF instructions in 64-bit mode
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std::string Summarize();
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bool lahf_sahf_64;
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private:
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bool long_mode;
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// Detects the various cpu features
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void Detect();
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};
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};
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extern CPUInfo cpu_info;
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/**
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* Gets the supported capabilities of the host CPU
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* @return Reference to a CPUCaps struct with the detected host CPU capabilities
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*/
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const CPUCaps& GetCPUCaps();
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/**
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* Gets a string summary of the name and supported capabilities of the host CPU
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* @return String summary
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*/
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std::string GetCPUCapsString();
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} // namespace Common
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} // namespace Common
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