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[/] [mipsr2000/] [trunk/] [Dm.vhd] - Rev 7
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---------------------------------------------------------------------------------- -- Company: -- Engineer: Lazaridis Dimitris -- -- Create Date: 21:37:47 06/13/2012 -- Design Name: -- Module Name: Dm - 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; -- 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 Dm is port ( clk : in std_logic; rst : in std_logic; Alu_in :in std_logic_vector(31 downto 0); MDR_in : in std_logic_vector(31 downto 0); --op_code: in std_logic_vector(5 downto 0); MemWrite : in std_logic; MemRead : in std_logic; IorD : in std_logic; MDR_out : out std_logic_vector(31 downto 0) --E : out std_logic_vector(1 downto 0) ); end Dm; architecture Behavioral of Dm is component dmem is port ( clk : in std_logic; rst : in std_logic; IorD : in std_logic; we : in std_logic_vector(3 downto 0); en : in std_logic_vector(3 downto 0); ssr : in std_logic_vector(3 downto 0); address : in std_logic_vector(10 downto 0); data_in : in std_logic_vector(31 downto 0); data_out : out std_logic_vector(31 downto 0) ); end component; component DMcontrol is port ( --clk : in std_logic; --From_Alu : in std_logic_vector(31 downto 0); --op_code: in std_logic_vector(5 downto 0); MemRead: in std_logic; MemWrite : in std_logic; --IorD : in std_logic; --E : out std_logic_vector(1 downto 0); We_c : out std_logic_vector(3 downto 0); Re_c :out std_logic_vector(3 downto 0); Ssr_c:out std_logic_vector(3 downto 0) ); end component; signal We_c,Re_c,Ssr_c : std_logic_vector(3 downto 0); begin dmem_d:dmem port map(clk=>clk,rst=>rst,IorD=>IorD,we=>We_c,en=>Re_c,ssr=>Ssr_c,address=>Alu_in(10 downto 0), data_in=>MDR_in,data_out=>MDR_out); DMcont_d:DMcontrol port map(MemRead=>MemRead,MemWrite=>MemWrite, We_c=>We_c,Re_c=>Re_c,Ssr_c=>Ssr_c); end Behavioral;