mirror of
https://git.wownero.com/wownero/RandomWOW.git
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163 lines
7.5 KiB
C++
163 lines
7.5 KiB
C++
/*
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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 <iostream>
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#include <climits>
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#include "blake2/endian.h"
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#include "configuration.h"
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#include "randomx.h"
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namespace randomx {
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static_assert((RANDOMX_ARGON_MEMORY & (RANDOMX_ARGON_MEMORY - 1)) == 0, "RANDOMX_ARGON_MEMORY must be a power of 2.");
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static_assert((RANDOMX_DATASET_BASE_SIZE & (RANDOMX_DATASET_BASE_SIZE - 1)) == 0, "RANDOMX_DATASET_BASE_SIZE must be a power of 2.");
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static_assert(RANDOMX_DATASET_BASE_SIZE <= 4294967296ULL, "RANDOMX_DATASET_BASE_SIZE must not exceed 4294967296.");
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static_assert(RANDOMX_DATASET_EXTRA_SIZE % 64 == 0, "RANDOMX_DATASET_EXTRA_SIZE must be divisible by 64.");
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static_assert(RANDOMX_PROGRAM_SIZE > 0, "RANDOMX_PROGRAM_SIZE must be greater than 0");
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static_assert(RANDOMX_PROGRAM_ITERATIONS > 0, "RANDOMX_PROGRAM_ITERATIONS must be greater than 0");
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static_assert(RANDOMX_PROGRAM_COUNT > 0, "RANDOMX_PROGRAM_COUNT must be greater than 0");
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static_assert((RANDOMX_SCRATCHPAD_L3 & (RANDOMX_SCRATCHPAD_L3 - 1)) == 0, "RANDOMX_SCRATCHPAD_L3 must be a power of 2.");
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static_assert(RANDOMX_SCRATCHPAD_L3 >= RANDOMX_SCRATCHPAD_L2, "RANDOMX_SCRATCHPAD_L3 must be greater than or equal to RANDOMX_SCRATCHPAD_L2.");
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static_assert((RANDOMX_SCRATCHPAD_L2 & (RANDOMX_SCRATCHPAD_L2 - 1)) == 0, "RANDOMX_SCRATCHPAD_L2 must be a power of 2.");
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static_assert(RANDOMX_SCRATCHPAD_L2 >= RANDOMX_SCRATCHPAD_L1, "RANDOMX_SCRATCHPAD_L2 must be greater than or equal to RANDOMX_SCRATCHPAD_L1.");
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static_assert((RANDOMX_SCRATCHPAD_L1 & (RANDOMX_SCRATCHPAD_L1 - 1)) == 0, "RANDOMX_SCRATCHPAD_L1 must be a power of 2.");
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static_assert(RANDOMX_CACHE_ACCESSES > 1, "RANDOMX_CACHE_ACCESSES must be greater than 1");
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static_assert(RANDOMX_JUMP_BITS > 0, "RANDOMX_JUMP_BITS must be greater than 0.");
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static_assert(RANDOMX_JUMP_OFFSET >= 0, "RANDOMX_JUMP_OFFSET must be greater than or equal to 0.");
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static_assert(RANDOMX_JUMP_BITS + RANDOMX_JUMP_OFFSET <= 16, "RANDOMX_JUMP_BITS + RANDOMX_JUMP_OFFSET must not exceed 16.");
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constexpr int wtSum = RANDOMX_FREQ_IADD_RS + RANDOMX_FREQ_IADD_M + RANDOMX_FREQ_ISUB_R + \
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RANDOMX_FREQ_ISUB_M + RANDOMX_FREQ_IMUL_R + RANDOMX_FREQ_IMUL_M + RANDOMX_FREQ_IMULH_R + \
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RANDOMX_FREQ_IMULH_M + RANDOMX_FREQ_ISMULH_R + RANDOMX_FREQ_ISMULH_M + RANDOMX_FREQ_IMUL_RCP + \
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RANDOMX_FREQ_INEG_R + RANDOMX_FREQ_IXOR_R + RANDOMX_FREQ_IXOR_M + RANDOMX_FREQ_IROR_R + RANDOMX_FREQ_ISWAP_R + \
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RANDOMX_FREQ_FSWAP_R + RANDOMX_FREQ_FADD_R + RANDOMX_FREQ_FADD_M + RANDOMX_FREQ_FSUB_R + RANDOMX_FREQ_FSUB_M + \
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RANDOMX_FREQ_FSCAL_R + RANDOMX_FREQ_FMUL_R + RANDOMX_FREQ_FDIV_M + RANDOMX_FREQ_FSQRT_R + RANDOMX_FREQ_CBRANCH + \
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RANDOMX_FREQ_CFROUND + RANDOMX_FREQ_ISTORE + RANDOMX_FREQ_NOP;
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static_assert(wtSum == 256, "Sum of instruction frequencies must be 256.");
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constexpr int ArgonBlockSize = 1024;
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constexpr int ArgonSaltSize = sizeof(RANDOMX_ARGON_SALT) - 1;
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constexpr int CacheLineSize = RANDOMX_DATASET_ITEM_SIZE;
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constexpr int ScratchpadSize = RANDOMX_SCRATCHPAD_L3;
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constexpr uint32_t CacheLineAlignMask = (RANDOMX_DATASET_BASE_SIZE - 1) & ~(CacheLineSize - 1);
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constexpr uint32_t CacheSize = RANDOMX_ARGON_MEMORY * ArgonBlockSize;
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constexpr uint64_t DatasetSize = RANDOMX_DATASET_BASE_SIZE + RANDOMX_DATASET_EXTRA_SIZE;
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constexpr uint32_t DatasetExtraItems = RANDOMX_DATASET_EXTRA_SIZE / RANDOMX_DATASET_ITEM_SIZE;
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constexpr uint32_t ConditionMask = ((1 << RANDOMX_JUMP_BITS) - 1);
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constexpr int ConditionOffset = RANDOMX_JUMP_OFFSET;
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constexpr int StoreL3Condition = 14;
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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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#ifndef UNREACHABLE
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#ifdef __GNUC__
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#define UNREACHABLE __builtin_unreachable()
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#elif _MSC_VER
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#define UNREACHABLE __assume(false)
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#else
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#define UNREACHABLE
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#endif
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#endif
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#if defined(_M_X64) || defined(__x86_64__)
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class JitCompilerX86;
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using JitCompiler = JitCompilerX86;
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#elif defined(__aarch64__)
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class JitCompilerA64;
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using JitCompiler = JitCompilerA64;
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#else
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class JitCompilerFallback;
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using JitCompiler = JitCompilerFallback;
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#endif
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using addr_t = uint32_t;
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using int_reg_t = uint64_t;
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struct fpu_reg_t {
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double lo;
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double hi;
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};
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constexpr uint32_t ScratchpadL1 = RANDOMX_SCRATCHPAD_L1 / sizeof(int_reg_t);
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constexpr uint32_t ScratchpadL2 = RANDOMX_SCRATCHPAD_L2 / sizeof(int_reg_t);
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constexpr uint32_t ScratchpadL3 = RANDOMX_SCRATCHPAD_L3 / sizeof(int_reg_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 int ScratchpadL3Mask = (ScratchpadL3 - 1) * 8;
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constexpr int ScratchpadL3Mask64 = (ScratchpadL3 / 8 - 1) * 64;
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constexpr int RegistersCount = 8;
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constexpr int RegisterCountFlt = RegistersCount / 2;
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constexpr int RegisterNeedsDisplacement = 5; //x86 r13 register
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constexpr int RegisterNeedsSib = 4; //x86 r12 register
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inline bool isPowerOf2(uint64_t x) {
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return (x & (x - 1)) == 0;
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}
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constexpr int mantissaSize = 52;
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constexpr int exponentSize = 11;
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constexpr uint64_t mantissaMask = (1ULL << mantissaSize) - 1;
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constexpr uint64_t exponentMask = (1ULL << exponentSize) - 1;
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constexpr int exponentBias = 1023;
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constexpr int dynamicExponentBits = 4;
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constexpr int staticExponentBits = 4;
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constexpr uint64_t constExponentBits = 0x300;
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constexpr uint64_t dynamicMantissaMask = (1ULL << (mantissaSize + dynamicExponentBits)) - 1;
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struct MemoryRegisters {
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addr_t mx, ma;
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uint8_t* memory = nullptr;
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};
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struct RegisterFile {
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int_reg_t r[RegistersCount];
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fpu_reg_t f[RegistersCount / 2];
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fpu_reg_t e[RegistersCount / 2];
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fpu_reg_t a[RegistersCount / 2];
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};
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typedef void(DatasetReadFunc)(addr_t, MemoryRegisters&, int_reg_t(®)[RegistersCount]);
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typedef void(ProgramFunc)(RegisterFile&, MemoryRegisters&, uint8_t* /* scratchpad */, uint64_t);
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typedef void(DatasetInitFunc)(randomx_cache* cache, uint8_t* dataset, uint32_t startBlock, uint32_t endBlock);
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typedef void(DatasetDeallocFunc)(randomx_dataset*);
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typedef void(CacheDeallocFunc)(randomx_cache*);
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typedef void(CacheInitializeFunc)(randomx_cache*, const void*, size_t);
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}
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