RandomWOW/src/vm_interpreted.hpp

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/*
Copyright (c) 2018 tevador
This file is part of RandomX.
RandomX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RandomX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#pragma once
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#include <new>
#include <vector>
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#include "common.hpp"
#include "virtual_machine.hpp"
#include "intrin_portable.h"
#include "allocator.hpp"
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namespace randomx {
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struct InstructionByteCode {
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union {
int_reg_t* idst;
__m128d* fdst;
};
union {
int_reg_t* isrc;
__m128d* fsrc;
};
union {
uint64_t imm;
int64_t simm;
};
uint16_t type;
union {
int16_t target;
uint16_t shift;
};
uint32_t memMask;
};
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template<class Allocator, bool softAes>
class InterpretedVm : public VmBase<Allocator, softAes> {
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public:
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using VmBase<Allocator, softAes>::mem;
using VmBase<Allocator, softAes>::scratchpad;
using VmBase<Allocator, softAes>::program;
using VmBase<Allocator, softAes>::config;
using VmBase<Allocator, softAes>::reg;
using VmBase<Allocator, softAes>::datasetPtr;
using VmBase<Allocator, softAes>::datasetOffset;
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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)
throw std::bad_alloc();
return ptr;
}
void operator delete(void* ptr) {
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AlignedAllocator<CacheLineSize>::freeMemory(ptr, sizeof(InterpretedVm));
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}
void run(void* seed) override;
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void setDataset(randomx_dataset* dataset) override;
protected:
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virtual void datasetRead(uint32_t blockNumber, int_reg_t(&r)[RegistersCount]);
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private:
void execute();
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void precompileProgram(int_reg_t(&r)[RegistersCount], __m128d (&f)[RegisterCountFlt], __m128d (&e)[RegisterCountFlt], __m128d (&a)[RegisterCountFlt]);
void executeBytecode(int_reg_t(&r)[RegistersCount], __m128d (&f)[RegisterCountFlt], __m128d (&e)[RegisterCountFlt], __m128d (&a)[RegisterCountFlt]);
void executeBytecode(int& i, int_reg_t(&r)[RegistersCount], __m128d (&f)[RegisterCountFlt], __m128d (&e)[RegisterCountFlt], __m128d (&a)[RegisterCountFlt]);
void* getScratchpadAddress(InstructionByteCode& ibc);
__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>;
using InterpretedVmHardAes = InterpretedVm<AlignedAllocator<CacheLineSize>, false>;
using InterpretedVmLargePage = InterpretedVm<LargePageAllocator, true>;
using InterpretedVmLargePageHardAes = InterpretedVm<LargePageAllocator, false>;
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}