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119 lines
3.3 KiB
119 lines
3.3 KiB
/*
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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 <new>
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#include "intrinPortable.h"
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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 CacheBlockSize = 1024;
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constexpr int CacheShift = CacheBlockSize / 2;
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constexpr int BlockExpansionRatio = 64;
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constexpr uint32_t DatasetBlockSize = BlockExpansionRatio * CacheBlockSize;
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constexpr uint32_t DatasetBlockCount = 65536;
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constexpr uint32_t CacheSize = DatasetBlockCount * CacheBlockSize;
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constexpr uint64_t DatasetSize = (uint64_t)DatasetBlockCount * DatasetBlockSize;
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constexpr int ArgonIterations = 12;
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constexpr uint32_t ArgonMemorySize = 65536; //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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#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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typedef union {
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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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} convertible_t;
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constexpr int ProgramLength = 512;
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constexpr int InstructionCount = 1024 * 1024;
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constexpr uint32_t ScratchpadSize = 256 * 1024;
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constexpr uint32_t ScratchpadLength = ScratchpadSize / sizeof(convertible_t);
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constexpr uint32_t ScratchpadL1 = ScratchpadSize / 16 / sizeof(convertible_t);
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constexpr uint32_t ScratchpadL2 = ScratchpadSize / sizeof(convertible_t);
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constexpr int RegistersCount = 8;
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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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struct LightClientMemory {
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uint8_t* cache;
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uint8_t* block;
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uint32_t blockNumber;
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alignas(16) __m128i keys[10];
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void* operator new(size_t size) {
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void* ptr = _mm_malloc(size, sizeof(__m128i));
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if (ptr == nullptr)
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throw std::bad_alloc();
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return ptr;
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}
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void operator delete(void* ptr) {
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_mm_free(ptr);
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}
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};
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struct MemoryRegisters {
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addr_t ma, mx;
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union {
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uint8_t* dataset;
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LightClientMemory* lcm;
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};
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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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convertible_t f[RegistersCount];
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};
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static_assert(sizeof(RegisterFile) == 2 * RegistersCount * sizeof(convertible_t), "Invalid alignment of struct RandomX::RegisterFile");
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typedef convertible_t(*DatasetReadFunc)(addr_t, MemoryRegisters&);
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typedef void(*ProgramFunc)(RegisterFile&, MemoryRegisters&, convertible_t*);
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extern "C" {
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void executeProgram(RegisterFile& registerFile, MemoryRegisters& memory, convertible_t* scratchpad);
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}
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} |