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59 lines
1.1 KiB
C++
59 lines
1.1 KiB
C++
/*
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* Copyright (c) 2013-2023, 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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#include "Log.h"
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#if defined(_MSC_VER)
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#include <intrin.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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#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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inline bool cpu_support_aes()
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{
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#if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_IX86) || defined(__i386__))
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#if defined(_MSC_VER)
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int cpu_info[4];
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__cpuid(cpu_info, 1);
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return ((cpu_info[2] & bit_AES) != 0);
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#elif defined(__clang__)
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#if __clang_major__ >= 6
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__builtin_cpu_init();
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#endif
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return __builtin_cpu_supports("aes");
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#elif defined(__GNUC__)
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__builtin_cpu_init();
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return __builtin_cpu_supports("aes");
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#else
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return false;
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#endif
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#else
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return false;
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#endif
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}
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void Detect(bool AesSwitch, bool force)
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{
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if ((cpu_support_aes() && AesSwitch) || (AesSwitch && force)) {
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aesni = true;
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}
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LogPrint(eLogInfo, "AESNI ", (aesni ? "enabled" : "disabled"));
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}
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}
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}
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