RandomX portable interpreter

src/VirtualMachine.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
+#include <cstdint>
+#include "common.hpp"
+
+namespace RandomX {
+
+	typedef convertible_t(*DatasetReadFunc)(addr_t, MemoryRegisters&);
+
+	class VirtualMachine {
+	public:
+		VirtualMachine(bool softAes);
+		virtual ~VirtualMachine() {}
+		void initializeDataset(const void* seed, bool light = false);
+		void initializeScratchpad(uint32_t index);
+		virtual void initializeProgram(const void* seed) = 0;
+		virtual void execute() = 0;
+		const RegisterFile& getRegisterFile() const {
+			return reg;
+		}
+		const convertible_t* getScratchpad() const {
+			return scratchpad;
+		}
+		const void* getCache() {
+			if (lightClient) {
+				return mem.lcm->cache;
+			}
+			return nullptr;
+		}
+		const __m128i* getKeys() {
+			if (lightClient) {
+				return mem.lcm->keys;
+			}
+			return nullptr;
+		}
+	protected:
+		bool softAes, lightClient;
+		RegisterFile reg;
+		MemoryRegisters mem;
+		DatasetReadFunc readDataset;
+		alignas(16) convertible_t scratchpad[ScratchpadLength];
+	};
+}