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81 lines
3.1 KiB
C++
81 lines
3.1 KiB
C++
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/*
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Copyright (c) 2018-2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <cstdint>
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#include <vector>
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#include <type_traits>
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#include "common.hpp"
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#include "superscalar_program.hpp"
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#include "allocator.hpp"
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/* Global scope for C binding */
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struct randomx_dataset {
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uint8_t* memory = nullptr;
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randomx::DatasetDeallocFunc* dealloc;
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};
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/* Global scope for C binding */
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struct randomx_cache {
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uint8_t* memory = nullptr;
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randomx::CacheDeallocFunc* dealloc;
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randomx::JitCompiler* jit;
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randomx::CacheInitializeFunc* initialize;
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randomx::DatasetInitFunc* datasetInit;
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randomx::SuperscalarProgram programs[RANDOMX_CACHE_MAX_ACCESSES];
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std::vector<uint64_t> reciprocalCache;
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bool isInitialized() {
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return programs[0].getSize() != 0;
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}
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};
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//A pointer to a standard-layout struct object points to its initial member
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static_assert(std::is_standard_layout<randomx_dataset>(), "randomx_dataset must be a standard-layout struct");
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static_assert(std::is_standard_layout<randomx_cache>(), "randomx_cache must be a standard-layout struct");
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namespace randomx {
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using DefaultAllocator = AlignedAllocator<CacheLineSize>;
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template<class Allocator>
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void deallocDataset(randomx_dataset* dataset) {
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if (dataset->memory != nullptr)
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Allocator::freeMemory(dataset->memory, RANDOMX_DATASET_MAX_SIZE);
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}
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template<class Allocator>
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void deallocCache(randomx_cache* cache);
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void initCache(randomx_cache*, const void*, size_t);
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void initCacheCompile(randomx_cache*, const void*, size_t);
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void initDatasetItem(randomx_cache* cache, uint8_t* out, uint64_t blockNumber);
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void initDataset(randomx_cache* cache, uint8_t* dataset, uint32_t startBlock, uint32_t endBlock);
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}
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