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address_fieldsl2.vhd
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address_fieldsl2.vhd
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----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 21:38:15 04/12/2012
-- Design Name:
-- Module Name: address_fields - 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.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.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 address_fieldsl2 is
port (addr: in std_logic_vector(31 downto 0);
word: out std_logic_vector(1 downto 0);
set: out std_logic_vector(9 downto 0);
tag: out std_logic_vector(19 downto 0);
sep: in std_logic);
end address_fieldsl2;
architecture Behavioral of address_fieldsl2 is
begin
process(addr)
begin
if sep = '1' then
word <= addr (1 downto 0);
set <= addr (11 downto 2);
tag <= addr (31 downto 12);
end if;
end process;
end Behavioral;