Integrated RandomX, added RandomXL (Loki)

src/crypto/randomx/instruction.hpp

@@ -0,0 +1,102 @@
+/*
+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 <type_traits>
+#include "blake2/endian.h"
+
+namespace randomx {
+
+	class Instruction;
+
+	enum class InstructionType : uint16_t {
+		IADD_RS = 0,
+		IADD_M = 1,
+		ISUB_R = 2,
+		ISUB_M = 3,
+		IMUL_R = 4,
+		IMUL_M = 5,
+		IMULH_R = 6,
+		IMULH_M = 7,
+		ISMULH_R = 8,
+		ISMULH_M = 9,
+		IMUL_RCP = 10,
+		INEG_R = 11,
+		IXOR_R = 12,
+		IXOR_M = 13,
+		IROR_R = 14,
+		IROL_R = 15,
+		ISWAP_R = 16,
+		FSWAP_R = 17,
+		FADD_R = 18,
+		FADD_M = 19,
+		FSUB_R = 20,
+		FSUB_M = 21,
+		FSCAL_R = 22,
+		FMUL_R = 23,
+		FDIV_M = 24,
+		FSQRT_R = 25,
+		CBRANCH = 26,
+		CFROUND = 27,
+		ISTORE = 28,
+		NOP = 29,
+	};
+
+	class Instruction {
+	public:
+		uint32_t getImm32() const {
+			return load32(&imm32);
+		}
+		void setImm32(uint32_t val) {
+			return store32(&imm32, val);
+		}
+		int getModMem() const {
+			return mod % 4; //bits 0-1
+		}
+		int getModShift() const {
+			return (mod >> 2) % 4; //bits 2-3
+		}
+		int getModCond() const {
+			return mod >> 4; //bits 4-7
+		}
+		void setMod(uint8_t val) {
+			mod = val;
+		}
+
+		uint8_t opcode;
+		uint8_t dst;
+		uint8_t src;
+		uint8_t mod;
+		uint32_t imm32;
+	};
+
+	static_assert(sizeof(Instruction) == 8, "Invalid size of struct randomx::Instruction");
+	static_assert(std::is_standard_layout<Instruction>(), "randomx::Instruction must be a standard-layout struct");
+}