vm_interpreted_light.hpp

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

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    * 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.

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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>;
}