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I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
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58 lines
1.3 KiB
58 lines
1.3 KiB
/* |
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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 defined (_WIN32) && (WINVER == 0x0501) // WinXP |
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if (AesSwitch && force) { // only if forced |
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#else |
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if ((info[2] & bit_AES && AesSwitch) || (AesSwitch && force)) { |
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#endif |
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aesni = true; |
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} |
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#if defined (_WIN32) && (WINVER == 0x0501) // WinXP |
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if (AvxSwitch && force) { // only if forced |
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#else |
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if ((info[2] & bit_AVX && AvxSwitch) || (AvxSwitch && force)) { |
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#endif |
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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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