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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
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* Copyright 2018 Lee Clagett <https://github.com/vtnerd>
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* Copyright 2016-2018 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MEM_H__
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#define __MEM_H__
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#include <stddef.h>
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#include <stdint.h>
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#include "common/xmrig.h"
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struct cryptonight_ctx;
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struct MemInfo
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{
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alignas(16) uint8_t *memory;
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size_t hugePages;
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size_t pages;
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size_t size;
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};
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class Mem
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{
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public:
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enum Flags {
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HugepagesAvailable = 1,
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HugepagesEnabled = 2,
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Lock = 4
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};
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static MemInfo create(cryptonight_ctx **ctx, xmrig::Algo algorithm, size_t count);
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static void init(bool enabled);
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static void release(cryptonight_ctx **ctx, size_t count, MemInfo &info);
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static inline bool isHugepagesAvailable() { return (m_flags & HugepagesAvailable) != 0; }
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private:
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static void allocate(MemInfo &info, bool enabled);
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static void release(MemInfo &info);
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static int m_flags;
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static bool m_enabled;
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};
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#endif /* __MEM_H__ */
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