90 lines
2.7 KiB
C++
90 lines
2.7 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 <new>
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#include <vector>
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#include "common.hpp"
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#include "virtual_machine.hpp"
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#include "intrin_portable.h"
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#include "allocator.hpp"
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namespace randomx {
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struct InstructionByteCode {
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union {
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int_reg_t* idst;
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__m128d* fdst;
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};
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union {
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int_reg_t* isrc;
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__m128d* fsrc;
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};
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union {
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uint64_t imm;
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int64_t simm;
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};
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int_reg_t* creg;
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uint16_t condition;
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int16_t target;
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uint32_t memMask;
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uint16_t type;
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uint16_t shift;
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};
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constexpr int asedwfagdewsa = sizeof(InstructionByteCode);
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template<class Allocator, bool softAes>
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class InterpretedVm : public VmBase<Allocator, softAes> {
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public:
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using VmBase<Allocator, softAes>::mem;
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using VmBase<Allocator, softAes>::scratchpad;
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using VmBase<Allocator, softAes>::program;
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using VmBase<Allocator, softAes>::config;
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using VmBase<Allocator, softAes>::reg;
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void* operator new(size_t size) {
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void* ptr = AlignedAllocator<CacheLineSize>::allocMemory(size);
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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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AlignedAllocator<CacheLineSize>::freeMemory(ptr, sizeof(InterpretedVm));
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}
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void run(void* seed) override;
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void setDataset(randomx_dataset* dataset) override;
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protected:
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virtual void datasetRead(uint32_t blockNumber, int_reg_t(&r)[8]);
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private:
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void execute();
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void precompileProgram(int_reg_t(&r)[8], __m128d (&f)[4], __m128d (&e)[4], __m128d (&a)[4]);
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void executeBytecode(int_reg_t(&r)[8], __m128d (&f)[4], __m128d (&e)[4], __m128d (&a)[4]);
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void executeBytecode(int& i, int_reg_t(&r)[8], __m128d (&f)[4], __m128d (&e)[4], __m128d (&a)[4]);
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void* getScratchpadAddress(InstructionByteCode& ibc);
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__m128d maskRegisterExponentMantissa(__m128d);
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InstructionByteCode byteCode[RANDOMX_PROGRAM_SIZE];
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};
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using InterpretedVmDefault = InterpretedVm<AlignedAllocator<CacheLineSize>, true>;
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using InterpretedVmHardAes = InterpretedVm<AlignedAllocator<CacheLineSize>, false>;
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using InterpretedVmLargePage = InterpretedVm<LargePageAllocator, true>;
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using InterpretedVmLargePageHardAes = InterpretedVm<LargePageAllocator, false>;
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} |