mirror of
https://git.wownero.com/wownero/RandomWOW.git
synced 2024-08-15 00:23:14 +00:00
141 lines
4 KiB
C++
141 lines
4 KiB
C++
/*
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Copyright (c) 2018 tevador
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This file is part of RandomX.
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RandomX 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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RandomX 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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You should have received a copy of the GNU General Public License
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along with RandomX. If not, see<http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <cstdint>
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#include <iostream>
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namespace RandomX {
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using addr_t = uint32_t;
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constexpr int RoundToNearest = 0;
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constexpr int RoundDown = 1;
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constexpr int RoundUp = 2;
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constexpr int RoundToZero = 3;
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constexpr int SeedSize = 32;
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constexpr int ResultSize = 32;
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constexpr int ArgonIterations = 3;
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constexpr uint32_t ArgonMemorySize = 262144; //KiB
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constexpr int ArgonLanes = 1;
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const char ArgonSalt[] = "Monero\x1A$";
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constexpr int ArgonSaltSize = sizeof(ArgonSalt) - 1;
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constexpr int CacheLineSize = 64;
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constexpr uint64_t DatasetSize = 4ULL * 1024 * 1024 * 1024; //4 GiB
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constexpr uint32_t CacheSize = ArgonMemorySize * 1024;
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constexpr int CacheBlockCount = CacheSize / CacheLineSize;
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constexpr int BlockExpansionRatio = DatasetSize / CacheSize;
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constexpr int DatasetBlockCount = BlockExpansionRatio * CacheBlockCount;
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constexpr int DatasetIterations = 3;
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#ifdef TRACE
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constexpr bool trace = true;
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#else
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constexpr bool trace = false;
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#endif
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union convertible_t {
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double f64;
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int64_t i64;
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uint64_t u64;
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int32_t i32;
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uint32_t u32;
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struct {
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int32_t i32lo;
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int32_t i32hi;
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};
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};
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struct fpu_reg_t {
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convertible_t lo;
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convertible_t hi;
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};
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constexpr int ProgramLength = 128;
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constexpr uint32_t InstructionCount = 1024;
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constexpr uint32_t ScratchpadSize = 1024 * 1024;
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constexpr uint32_t ScratchpadLength = ScratchpadSize / sizeof(convertible_t);
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constexpr uint32_t ScratchpadL1 = ScratchpadSize / 64 / sizeof(convertible_t);
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constexpr uint32_t ScratchpadL2 = ScratchpadSize / 4 / sizeof(convertible_t);
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constexpr uint32_t ScratchpadL3 = ScratchpadSize / sizeof(convertible_t);
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constexpr int ScratchpadL1Mask = (ScratchpadL1 - 1) * 8;
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constexpr int ScratchpadL2Mask = (ScratchpadL2 - 1) * 8;
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constexpr int ScratchpadL1Mask16 = (ScratchpadL1 / 2 - 1) * 16;
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constexpr int ScratchpadL2Mask16 = (ScratchpadL2 / 2 - 1) * 16;
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constexpr uint32_t TransformationCount = 90;
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constexpr int RegistersCount = 8;
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class Cache;
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inline int wrapInstr(int i) {
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return i % RandomX::ProgramLength;
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}
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class ILightClientAsyncWorker {
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public:
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virtual void prepareBlock(addr_t) = 0;
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virtual void prepareBlocks(void* out, uint32_t startBlock, uint32_t blockCount) = 0;
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virtual const uint64_t* getBlock(addr_t) = 0;
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virtual void getBlocks(void* out, uint32_t startBlock, uint32_t blockCount) = 0;
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virtual void sync() = 0;
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const Cache* getCache() {
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return cache;
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}
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protected:
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ILightClientAsyncWorker(const Cache* c) : cache(c) {}
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const Cache* cache;
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};
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union dataset_t {
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uint8_t* dataset;
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Cache* cache;
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ILightClientAsyncWorker* asyncWorker;
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};
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struct MemoryRegisters {
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addr_t mx, ma;
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dataset_t ds;
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};
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static_assert(sizeof(MemoryRegisters) == 2 * sizeof(addr_t) + sizeof(uintptr_t), "Invalid alignment of struct RandomX::MemoryRegisters");
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struct RegisterFile {
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convertible_t r[RegistersCount];
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fpu_reg_t f[RegistersCount / 2];
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fpu_reg_t g[RegistersCount / 2];
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fpu_reg_t a[RegistersCount / 2];
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};
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static_assert(sizeof(RegisterFile) == 256, "Invalid alignment of struct RandomX::RegisterFile");
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typedef void(*DatasetReadFunc)(addr_t, MemoryRegisters&, RegisterFile&);
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typedef void(*ProgramFunc)(RegisterFile&, MemoryRegisters&, convertible_t*, uint64_t);
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extern "C" {
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void executeProgram(RegisterFile&, MemoryRegisters&, convertible_t*, uint64_t);
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}
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}
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std::ostream& operator<<(std::ostream& os, const RandomX::RegisterFile& rf);
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