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RandomX portable interpreter

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tevador
2018-12-11 21:00:30 +01:00
parent 072130c774
commit c9102ee88c
31 changed files with 19262 additions and 0 deletions
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src/VirtualMachine.cpp
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/*
Copyright (c) 2018 tevador
This file is part of RandomX.
RandomX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RandomX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#include "VirtualMachine.hpp"
#include "common.hpp"
#include "dataset.hpp"
#include <cstring>
namespace RandomX {
VirtualMachine::VirtualMachine(bool softAes) : softAes(softAes), lightClient(false) {
mem.dataset = nullptr;
}
void VirtualMachine::initializeDataset(const void* seed, bool light) {
if (lightClient) {
_mm_free(mem.lcm->cache);
_mm_free(mem.lcm->block);
}
_mm_free(mem.dataset);
lightClient = light;
if (light) {
if (softAes) {
datasetInitLight<true>(seed, mem.lcm);
readDataset = &datasetReadLight<true>;
}
else {
datasetInitLight<false>(seed, mem.lcm);
readDataset = &datasetReadLight<false>;
}
}
else {
readDataset = &datasetRead;
if (softAes) {
datasetInit<true>(seed, mem.dataset);
}
else {
datasetInit<false>(seed, mem.dataset);
}
}
}
void VirtualMachine::initializeScratchpad(uint32_t index) {
if (lightClient) {
if (softAes) {
initBlock<true>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 0, 4 * index + 0, mem.lcm->keys);
initBlock<true>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 1, 4 * index + 1, mem.lcm->keys);
initBlock<true>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 2, 4 * index + 2, mem.lcm->keys);
initBlock<true>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 3, 4 * index + 3, mem.lcm->keys);
}
else {
initBlock<false>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 0, 4 * index + 0, mem.lcm->keys);
initBlock<false>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 1, 4 * index + 1, mem.lcm->keys);
initBlock<false>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 2, 4 * index + 2, mem.lcm->keys);
initBlock<false>(mem.lcm->cache, ((uint8_t*)scratchpad) + DatasetBlockSize * 3, 4 * index + 3, mem.lcm->keys);
}
}
else {
memcpy(scratchpad, mem.dataset + ScratchpadSize * index, ScratchpadSize);
}
}
}