mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2024-10-31 09:20:38 +00:00
64 lines
1.1 KiB
C++
64 lines
1.1 KiB
C++
/*
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* Copyright (c) 2013-2020, The PurpleI2P Project
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*
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* This file is part of Purple i2pd project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#include "CPU.h"
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#if defined(__x86_64__) || defined(__i386__)
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#include <cpuid.h>
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#endif
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#include "Log.h"
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#ifndef bit_AES
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#define bit_AES (1 << 25)
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#endif
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#ifndef bit_AVX
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#define bit_AVX (1 << 28)
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#endif
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namespace i2p
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{
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namespace cpu
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{
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bool aesni = false;
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bool avx = false;
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void Detect()
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{
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#if defined(__AES__) || defined(__AVX__)
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#if defined(__x86_64__) || defined(__i386__)
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int info[4];
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__cpuid(0, info[0], info[1], info[2], info[3]);
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if (info[0] >= 0x00000001) {
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__cpuid(0x00000001, info[0], info[1], info[2], info[3]);
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#ifdef __AES__
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aesni = info[2] & bit_AES; // AESNI
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#endif // __AES__
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#ifdef __AVX__
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avx = info[2] & bit_AVX; // AVX
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#endif // __AVX__
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}
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#endif // defined(__x86_64__) || defined(__i386__)
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#ifdef __AES__
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if(aesni)
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{
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LogPrint(eLogInfo, "AESNI enabled");
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}
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#endif // __AES__
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#ifdef __AVX__
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if(avx)
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{
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LogPrint(eLogInfo, "AVX enabled");
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}
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#endif // __AVX__
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#endif // defined(__AES__) || defined(__AVX__)
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}
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}
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}
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