RandomWOW/src/vm_interpreted.hpp

90 lines
3.0 KiB
C++
Raw Normal View History

2018-12-11 20:00:30 +00:00
/*
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
2019-04-20 09:08:01 +00:00
2019-02-18 07:54:55 +00:00
#include <new>
#include <vector>
2019-04-20 14:53:06 +00:00
#include "common.hpp"
#include "virtual_machine.hpp"
#include "intrin_portable.h"
#include "allocator.hpp"
2018-12-11 20:00:30 +00:00
2019-04-20 09:08:01 +00:00
namespace randomx {
2018-12-11 20:00:30 +00:00
struct InstructionByteCode {
2019-02-15 10:14:40 +00:00
union {
int_reg_t* idst;
2019-05-14 07:13:38 +00:00
rx_vec_f128* fdst;
2019-02-15 10:14:40 +00:00
};
union {
int_reg_t* isrc;
2019-05-14 07:13:38 +00:00
rx_vec_f128* fsrc;
2019-02-15 10:14:40 +00:00
};
union {
uint64_t imm;
int64_t simm;
};
uint16_t type;
union {
int16_t target;
uint16_t shift;
};
uint32_t memMask;
};
2019-04-20 09:08:01 +00:00
template<class Allocator, bool softAes>
class InterpretedVm : public VmBase<Allocator, softAes> {
2018-12-11 20:00:30 +00:00
public:
2019-04-20 09:08:01 +00:00
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;
2019-02-18 07:54:55 +00:00
void* operator new(size_t size) {
2019-04-20 09:08:01 +00:00
void* ptr = AlignedAllocator<CacheLineSize>::allocMemory(size);
2019-02-18 07:54:55 +00:00
if (ptr == nullptr)
throw std::bad_alloc();
return ptr;
}
void operator delete(void* ptr) {
2019-04-20 09:08:01 +00:00
AlignedAllocator<CacheLineSize>::freeMemory(ptr, sizeof(InterpretedVm));
2019-02-18 07:54:55 +00:00
}
void run(void* seed) override;
2019-04-20 09:08:01 +00:00
void setDataset(randomx_dataset* dataset) override;
protected:
2019-04-28 14:42:45 +00:00
virtual void datasetRead(uint32_t blockNumber, int_reg_t(&r)[RegistersCount]);
2018-12-11 20:00:30 +00:00
private:
void execute();
2019-05-14 07:13:38 +00:00
void precompileProgram(int_reg_t(&r)[RegistersCount], rx_vec_f128(&f)[RegisterCountFlt], rx_vec_f128(&e)[RegisterCountFlt], rx_vec_f128(&a)[RegisterCountFlt]);
void executeBytecode(int_reg_t(&r)[RegistersCount], rx_vec_f128(&f)[RegisterCountFlt], rx_vec_f128(&e)[RegisterCountFlt], rx_vec_f128(&a)[RegisterCountFlt]);
void executeBytecode(int& i, int_reg_t(&r)[RegistersCount], rx_vec_f128(&f)[RegisterCountFlt], rx_vec_f128(&e)[RegisterCountFlt], rx_vec_f128(&a)[RegisterCountFlt]);
void* getScratchpadAddress(InstructionByteCode& ibc);
2019-05-14 07:13:38 +00:00
rx_vec_f128 maskRegisterExponentMantissa(rx_vec_f128);
2019-04-20 09:08:01 +00:00
InstructionByteCode byteCode[RANDOMX_PROGRAM_SIZE];
2018-12-11 20:00:30 +00:00
};
2019-04-20 09:08:01 +00:00
using InterpretedVmDefault = InterpretedVm<AlignedAllocator<CacheLineSize>, true>;
using InterpretedVmHardAes = InterpretedVm<AlignedAllocator<CacheLineSize>, false>;
using InterpretedVmLargePage = InterpretedVm<LargePageAllocator, true>;
using InterpretedVmLargePageHardAes = InterpretedVm<LargePageAllocator, false>;
2018-12-11 20:00:30 +00:00
}