procmem.vhd

来自「It is the code for implementing the proj」· VHDL 代码 · 共 55 行

LIBRARY IEEE;
USE IEEE.std_logic_1164.ALL;
USE IEEE.numeric_std.ALL;
-- use package
USE work.procmem_definitions.ALL;
ENTITY procmem IS
PORT (clk, rst_n : IN std_ulogic
);
END procmem;

ARCHITECTURE behave OF procmem IS
COMPONENT mips
PORT (
clk, rst_n : IN std_ulogic;
mem_data : IN std_ulogic_vector(width-1 downto 0);
reg_B, mem_address : OUT std_ulogic_vector(width-1 downto 0);
MemRead, MemWrite : OUT std_ulogic);
END COMPONENT;
COMPONENT memory
PORT (
clk : IN STD_ULOGIC;
rst_n : IN STD_ULOGIC;
MemRead : IN STD_ULOGIC;
MemWrite : IN STD_ULOGIC;
mem_address : IN STD_ULOGIC_VECTOR(width-1 DOWNTO 0);
data_in : IN STD_ULOGIC_VECTOR(width-1 DOWNTO 0);
data_out : OUT STD_ULOGIC_VECTOR(width-1 DOWNTO 0));
END COMPONENT;
SIGNAL mem_data : std_ulogic_vector(width-1 downto 0);
signal reg_B : std_ulogic_vector(width-1 downto 0);
signal mem_address : std_ulogic_vector(width-1 downto 0);
signal MemRead : std_ulogic;
signal MemWrite : std_ulogic;
BEGIN
inst_mips : mips
PORT MAP (
clk => clk,
rst_n => rst_n,
mem_data => mem_data,
reg_B => reg_B,
mem_address => mem_address,
MemRead => MemRead,
MemWrite => MemWrite
);
inst_memory : memory
PORT MAP (
clk => clk,
rst_n => rst_n,
MemRead => MemRead,
MemWrite => MemWrite,
mem_address => mem_address,
data_in => reg_B,
data_out => mem_data
);
END behave;