лаб4 / alu_opcodes_pkg.sv

/* -----------------------------------------------------------------------------
* Project Name : Architectures of Processor Systems (APS) lab work
* Organization : National Research University of Electronic Technology (MIET)
* Department : Institute of Microdevices and Control Systems
* Author(s) : Andrei Solodovnikov
* Email(s) : hepoh@org.miet.ru

See https://github.com/MPSU/APS/blob/master/LICENSE file for licensing details.
* ------------------------------------------------------------------------------
*/
package alu_opcodes_pkg;
localparam ALU_OP_WIDTH = 5;

localparam ALU_ADD = 5'b00000;
localparam ALU_SUB = 5'b01000;

localparam ALU_XOR = 5'b00100;
localparam ALU_OR = 5'b00110;
localparam ALU_AND = 5'b00111;

// shifts
localparam ALU_SRA = 5'b01101; // Shift_Right_Ariphmetic
localparam ALU_SRL = 5'b00101; // Shift Right Logic
localparam ALU_SLL = 5'b00001; // Shift Left Logic

// comparisons
localparam ALU_LTS = 5'b11100; // Less Than Signed
localparam ALU_LTU = 5'b11110; // Less Than Unsigned
localparam ALU_GES = 5'b11101; // Great [or] Equal signed
localparam ALU_GEU = 5'b11111; // Great [or] Equal unsigned
localparam ALU_EQ = 5'b11000; // Equal
localparam ALU_NE = 5'b11001; // Not Equal

// set lower than operations
localparam ALU_SLTS = 5'b00010; // Set Less Than Signed
localparam ALU_SLTU = 5'b00011; // Set Less Than Unsigned

endpackage