Integrated RandomX, added RandomXL (Loki)

src/crypto/randomx/virtual_machine.hpp

@@ -0,0 +1,83 @@
+/*
+Copyright (c) 2018-2019, tevador <tevador@gmail.com>
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+	* Redistributions of source code must retain the above copyright
+	  notice, this list of conditions and the following disclaimer.
+	* Redistributions in binary form must reproduce the above copyright
+	  notice, this list of conditions and the following disclaimer in the
+	  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
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#pragma once
+
+#include <cstdint>
+#include "common.hpp"
+#include "program.hpp"
+
+/* Global namespace for C binding */
+class randomx_vm {
+public:
+	virtual ~randomx_vm() = 0;
+	virtual void allocate() = 0;
+	virtual void getFinalResult(void* out, size_t outSize) = 0;
+	virtual void setDataset(randomx_dataset* dataset) { }
+	virtual void setCache(randomx_cache* cache) { }
+	virtual void initScratchpad(void* seed) = 0;
+	virtual void run(void* seed) = 0;
+	void resetRoundingMode();
+	randomx::RegisterFile *getRegisterFile() {
+		return &reg;
+	}
+	const void* getScratchpad() {
+		return scratchpad;
+	}
+	const randomx::Program& getProgram()
+	{
+		return program;
+	}
+protected:
+	void initialize();
+	alignas(64) randomx::Program program;
+	alignas(64) randomx::RegisterFile reg;
+	alignas(16) randomx::ProgramConfiguration config;
+	randomx::MemoryRegisters mem;
+	uint8_t* scratchpad;
+	union {
+		randomx_cache* cachePtr = nullptr;
+		randomx_dataset* datasetPtr;
+	};
+	uint64_t datasetOffset;
+};
+
+namespace randomx {
+
+	template<class Allocator, bool softAes>
+	class VmBase : public randomx_vm {
+	public:
+		~VmBase() override;
+		void allocate() override;
+		void initScratchpad(void* seed) override;
+		void getFinalResult(void* out, size_t outSize) override;
+	protected:
+		void generateProgram(void* seed);
+	};
+
+}