Subversion Repositories vhdl-pipeline-mips

--

-- Registros que agrupan señales de control

--

-- Licencia: Copyright 2008 Emmanuel Luján

--

--      This program 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 2 of

--      the License, or (at your option) any later version. This program

--      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 this program; if not, write

--      to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,

--      Boston, MA 02110-1301 USA.

-- 

-- Autor:       Emmanuel Luján

-- Email:       info@emmanuellujan.com.ar

-- Versión:    1.0

--

library ieee;

use ieee.std_logic_1164.all;

use ieee.numeric_std.all;

package RECORDS_PKG is

        --Resgitros que aunan las salidas de la Unidad de Control

        type WB_CTRL_REG is

        record

                RegWrite        :       STD_LOGIC;      --Señal de habilitación de escritura

                MemtoReg        :       STD_LOGIC;      --Señal de habilitación  

        end record;

        type MEM_CTRL_REG is

        record

                Branch          :       STD_LOGIC;      --Señal de habilitación

                MemRead         :       STD_LOGIC;      --Señal de habilitación

                MemWrite        :       STD_LOGIC;      --Señal de habilitación

        end record;

        type ALU_OP_INPUT is

        record

                Op0             :       STD_LOGIC;

                Op1             :       STD_LOGIC;

                Op2             :       STD_LOGIC;

        end record;

        type EX_CTRL_REG is

        record

                RegDst          :       STD_LOGIC;      --Señal de habilitación

                ALUOp           :       ALU_OP_INPUT;

                ALUSrc          :       STD_LOGIC;      --Señal de habilitación

        end record;

        --Registro que auna las entradas de la ALU 

        type ALU_INPUT is

        record

                Op0             :       STD_LOGIC;

                Op1             :       STD_LOGIC;

                Op2             :       STD_LOGIC;

                Op3             :       STD_LOGIC;

        end record;

        --Registro que auna las flags de la ALU 

        type ALU_FLAGS is

        record

                Carry           :       STD_LOGIC;

                Overflow        :       STD_LOGIC;

                Zero            :       STD_LOGIC;

                Negative        :       STD_LOGIC;

        end record;

end RECORDS_PKG;