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51 lines
1.1 KiB
C++
51 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(bool AesSwitch, bool AvxSwitch, bool force)
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{
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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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if ((info[2] & bit_AES && AesSwitch) || (AesSwitch && force)) {
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aesni = true;
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}
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if ((info[2] & bit_AVX && AvxSwitch) || (AvxSwitch && force)) {
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avx = true;
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}
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}
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#endif // defined(__x86_64__) || defined(__i386__)
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LogPrint(eLogInfo, "AESNI ", (aesni ? "enabled" : "disabled"));
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LogPrint(eLogInfo, "AVX ", (avx ? "enabled" : "disabled"));
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}
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}
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}
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