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Copy pathALU_RESULT_STORAGE.vhd
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ALU_RESULT_STORAGE.vhd
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----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 01:23:11 04/06/2016
-- Design Name:
-- Module Name: ALU_RESULT_STORAGE - Behavioral
-- Project Name:
-- Target Devices:
-- Tool versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.numeric_std.all;
use ieee.all;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
--use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity ALU_RESULT_STORAGE is
PORT (CLK_F,CLK_DEC,CLK_OP,CLK_EX,CLK_WB : in STD_LOGIC;
COUNTER_FOR_WRITING_DATA : IN STD_LOGIC_VECTOR(2 DOWNTO 0);
COUNTER_FOR_OUTPUT_TO_1_CYCLE_AGO: IN STD_LOGIC_VECTOR(2 DOWNTO 0);
COUNTER_FOR_OUTPUT_TO_2_CYCLE_AGO:IN STD_LOGIC_VECTOR(2 DOWNTO 0);
ALU_RESULT_IN :in STD_LOGIC_vector(15 downto 0);
ALU_RESULT_OUT_FOR_DATA_1_CYCLE_AGO :out STD_LOGIC_vector(15 downto 0);
ALU_RESULT_OUT_FOR_DATA_2_CYCLE_AGO:out STD_LOGIC_vector(15 downto 0)
);
end ALU_RESULT_STORAGE;
architecture Behavioral of ALU_RESULT_STORAGE is
type ALU_ARRAY is array (0 to 7) of std_logic_vector(15 downto 0);
signal ALU_SIGNAL : ALU_ARRAY:=(x"0000",x"0000",x"0000",x"0000",x"0000",x"0000",x"0000",x"0000");
signal ALU_INTERNAL_SIGNAL_SIGNAL_FOR_1_CYCLE_AGO,ALU_INTERNAL_SIGNAL_SIGNAL_FOR_2_CYCLE_AGO :STD_LOGIC_VECTOR(15 DOWNTO 0);
signal CORRECTED_COUNTER_FOR_OUTPUT_TO_1_CYCLE_AGO : STD_LOGIC_VECTOR(2 DOWNTO 0);
begin
PROCESS(CLK_OP)
BEGIN
--CORRECTED_COUNTER_FOR_OUTPUT_TO_1_CYCLE_AGO<=COUNTER_FOR_OUTPUT_TO_1_CYCLE_AGO+"001";
if FALLING_EDGE(CLK_OP) then
ALU_signal(to_integer(unsigned(COUNTER_FOR_WRITING_DATA)))<=ALU_RESULT_IN;
end if;
end process;
with COUNTER_FOR_OUTPUT_TO_1_CYCLE_AGO select
ALU_INTERNAL_SIGNAL_SIGNAL_FOR_1_CYCLE_AGO <=
ALU_SIGNAL(to_integer(unsigned(COUNTER_FOR_OUTPUT_TO_1_CYCLE_AGO)))WHEN "000",
ALU_SIGNAL(to_integer(unsigned(COUNTER_FOR_OUTPUT_TO_1_CYCLE_AGO)))WHEN OTHERS;
with COUNTER_FOR_OUTPUT_TO_2_CYCLE_AGO select
ALU_INTERNAL_SIGNAL_SIGNAL_FOR_2_CYCLE_AGO <=
ALU_SIGNAL(to_integer(unsigned(COUNTER_FOR_OUTPUT_TO_2_CYCLE_AGO)))WHEN "000",
ALU_SIGNAL(to_integer(unsigned(COUNTER_FOR_OUTPUT_TO_2_CYCLE_AGO)))WHEN OTHERS;
PROCESS(CLK_OP)
BEGIN
if RISING_EDGE(CLK_OP) then
ALU_RESULT_OUT_FOR_DATA_1_CYCLE_AGO<=ALU_INTERNAL_SIGNAL_SIGNAL_FOR_1_CYCLE_AGO;
end if;
end process;
PROCESS(CLK_EX)
BEGIN
if RISING_EDGE(CLK_EX) then
ALU_RESULT_OUT_FOR_DATA_2_CYCLE_AGO<=ALU_INTERNAL_SIGNAL_SIGNAL_FOR_2_CYCLE_AGO;
end if;
end process;
end Behavioral;