litex/verilog/lm32/lm32_logic_op.v

98 lines
3.2 KiB
Verilog

// ==================================================================
// >>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<
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// Copyright (c) 2006-2011 by Lattice Semiconductor Corporation
// ALL RIGHTS RESERVED
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// IMPORTANT: THIS FILE IS AUTO-GENERATED BY THE LATTICEMICO SYSTEM.
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// Permission:
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// pursuant to the terms of the Lattice Semiconductor Corporation
// Open Source License Agreement.
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// Lattice Semiconductor provides no warranty regarding the use or
// functionality of this code. It is the user's responsibility to
// verify the user's design for consistency and functionality through
// the use of formal verification methods.
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// FILE DETAILS
// Project : LatticeMico32
// File : lm32_logic_op.v
// Title : Logic operations (and / or / not etc)
// Dependencies : lm32_include.v
// Version : 6.1.17
// : Initial Release
// Version : 7.0SP2, 3.0
// : No Change
// Version : 3.1
// : No Change
// =============================================================================
`include "lm32_include.v"
/////////////////////////////////////////////////////
// Module interface
/////////////////////////////////////////////////////
module lm32_logic_op (
// ----- Inputs -------
logic_op_x,
operand_0_x,
operand_1_x,
// ----- Outputs -------
logic_result_x
);
/////////////////////////////////////////////////////
// Inputs
/////////////////////////////////////////////////////
input [`LM32_LOGIC_OP_RNG] logic_op_x;
input [`LM32_WORD_RNG] operand_0_x;
input [`LM32_WORD_RNG] operand_1_x;
/////////////////////////////////////////////////////
// Outputs
/////////////////////////////////////////////////////
output [`LM32_WORD_RNG] logic_result_x;
reg [`LM32_WORD_RNG] logic_result_x;
/////////////////////////////////////////////////////
// Internal nets and registers
/////////////////////////////////////////////////////
integer logic_idx;
/////////////////////////////////////////////////////
// Combinational Logic
/////////////////////////////////////////////////////
always @(*)
begin
for(logic_idx = 0; logic_idx < `LM32_WORD_WIDTH; logic_idx = logic_idx + 1)
logic_result_x[logic_idx] = logic_op_x[{operand_1_x[logic_idx], operand_0_x[logic_idx]}];
end
endmodule