RandomWOW/src/vm_interpreted_light.hpp

/*
Copyright (c) 2018-2019, tevador <tevador@gmail.com>

All rights reserved.

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modification, are permitted provided that the following conditions are met:
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	  notice, this list of conditions and the following disclaimer.
	* Redistributions in binary form must reproduce the above copyright
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	  documentation and/or other materials provided with the distribution.
	* Neither the name of the copyright holder nor the
	  names of its contributors may be used to endorse or promote products
	  derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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*/

#pragma once

#include <new>
#include "vm_interpreted.hpp"

namespace randomx {

	template<class Allocator, bool softAes>
	class InterpretedLightVm : public InterpretedVm<Allocator, softAes> {
	public:
		using VmBase<Allocator, softAes>::mem;
		using VmBase<Allocator, softAes>::cachePtr;
		void* operator new(size_t size) {
			void* ptr = AlignedAllocator<CacheLineSize>::allocMemory(size);
			if (ptr == nullptr)
				throw std::bad_alloc();
			return ptr;
		}
		void operator delete(void* ptr) {
			AlignedAllocator<CacheLineSize>::freeMemory(ptr, sizeof(InterpretedLightVm));
		}
		void setDataset(randomx_dataset* dataset) override { }
		void setCache(randomx_cache* cache) override;
	protected:
		void datasetRead(uint64_t address, int_reg_t(&r)[8]) override;
		void datasetPrefetch(uint64_t address) override { }
	};

	using InterpretedLightVmDefault = InterpretedLightVm<AlignedAllocator<CacheLineSize>, true>;
	using InterpretedLightVmHardAes = InterpretedLightVm<AlignedAllocator<CacheLineSize>, false>;
	using InterpretedLightVmLargePage = InterpretedLightVm<LargePageAllocator, true>;
	using InterpretedLightVmLargePageHardAes = InterpretedLightVm<LargePageAllocator, false>;
}