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87 lines
2.4 KiB
C++
87 lines
2.4 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 2016-2017 XMRig <support@xmrig.com>
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*
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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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#include <memory.h>
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#include "crypto/CryptoNight.h"
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#include "Mem.h"
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#include "Options.h"
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bool Mem::m_doubleHash = false;
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int Mem::m_algo = 0;
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int Mem::m_flags = 0;
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int Mem::m_threads = 0;
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size_t Mem::m_offset = 0;
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uint8_t *Mem::m_memory = nullptr;
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cryptonight_ctx *Mem::create(int threadId)
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{
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# ifndef XMRIG_NO_AEON
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if (m_algo == Options::ALGO_CRYPTONIGHT_LITE) {
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return createLite(threadId);
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}
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# endif
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cryptonight_ctx *ctx = reinterpret_cast<cryptonight_ctx *>(&m_memory[MEMORY - sizeof(cryptonight_ctx) * (threadId + 1)]);
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const int ratio = m_doubleHash ? 2 : 1;
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ctx->memory = &m_memory[MEMORY * (threadId * ratio + 1)];
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return ctx;
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}
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void *Mem::calloc(size_t num, size_t size)
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{
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void *mem = &m_memory[m_offset];
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m_offset += (num * size);
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memset(mem, 0, num * size);
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return mem;
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}
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#ifndef XMRIG_NO_AEON
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cryptonight_ctx *Mem::createLite(int threadId) {
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cryptonight_ctx *ctx;
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if (!m_doubleHash) {
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const size_t offset = MEMORY * (threadId + 1);
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ctx = reinterpret_cast<cryptonight_ctx *>(&m_memory[offset + MEMORY_LITE]);
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ctx->memory = &m_memory[offset];
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return ctx;
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}
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ctx = reinterpret_cast<cryptonight_ctx *>(&m_memory[MEMORY - sizeof(cryptonight_ctx) * (threadId + 1)]);
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ctx->memory = &m_memory[MEMORY * (threadId + 1)];
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return ctx;
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}
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#endif
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