87 lines
2.5 KiB
C++
87 lines
2.5 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 2017-2019 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 2018-2019 tevador <tevador@gmail.com>
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* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
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* Copyright 2016-2019 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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#include "crypto/rx/RxCache.h"
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#include "crypto/common/VirtualMemory.h"
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#include "crypto/randomx/randomx.h"
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static_assert(RANDOMX_FLAG_JIT == 8, "RANDOMX_FLAG_JIT flag mismatch");
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static_assert(RANDOMX_FLAG_LARGE_PAGES == 1, "RANDOMX_FLAG_LARGE_PAGES flag mismatch");
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xmrig::RxCache::RxCache(bool hugePages, uint32_t nodeId)
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{
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m_memory = new VirtualMemory(maxSize(), hugePages, false, false, nodeId);
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create(m_memory->raw());
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}
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xmrig::RxCache::RxCache(uint8_t *memory)
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{
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create(memory);
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}
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xmrig::RxCache::~RxCache()
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{
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randomx_release_cache(m_cache);
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delete m_memory;
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}
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bool xmrig::RxCache::init(const Buffer &seed)
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{
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if (m_seed == seed) {
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return false;
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}
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m_seed = seed;
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randomx_init_cache(m_cache, m_seed.data(), m_seed.size());
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return true;
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}
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xmrig::HugePagesInfo xmrig::RxCache::hugePages() const
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{
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return m_memory ? m_memory->hugePages() : HugePagesInfo();
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}
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void xmrig::RxCache::create(uint8_t *memory)
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{
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m_cache = randomx_create_cache(RANDOMX_FLAG_JIT, memory);
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if (!m_cache) {
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m_jit = false;
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m_cache = randomx_create_cache(RANDOMX_FLAG_DEFAULT, memory);
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}
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}
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