library IEEE;

use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;

package mem_pkg is

	component r_w_ram is
	generic	(
				ADDR_WIDTH : integer range 1 to integer'high;
				DATA_WIDTH : integer range 1 to integer'high
			);
	port(
		--System inputs
			clk : in std_logic;
		--Input
			wr_addr, rd_addr : in std_logic_vector(ADDR_WIDTH-1 downto 0);
			
			wr_en : in std_logic;
			data_in : in std_logic_vector(DATA_WIDTH-1 downto 0);
			
		--Output
			data_out: out std_logic_vector(DATA_WIDTH-1 downto 0)
		);
	end component r_w_ram;

	component r_w_ram_be is
	generic	(
				ADDR_WIDTH : integer range 1 to integer'high
			);
	port(
		clk : in std_logic;

		waddr, raddr : in std_logic_vector(ADDR_WIDTH-1 downto 0);

		be : in std_logic_vector (3 downto 0);
		
		we : in std_logic;

		wdata : in std_logic_vector(31 downto 0);
		
		q : out std_logic_vector(31 downto 0)
	);
	end component r_w_ram_be;

	component rom is
	generic	(
				ADDR_WIDTH : integer range 1 to integer'high;
				DATA_WIDTH : integer range 1 to integer'high
			);
	port(
		--System inputs
			clk : in std_logic;
		--Input
			wr_addr, rd_addr : in std_logic_vector(ADDR_WIDTH-1 downto 0);
			
			wr_en : in std_logic;
			data_in : in std_logic_vector(DATA_WIDTH-1 downto 0);
			
		--Output
			data_out: out std_logic_vector(DATA_WIDTH-1 downto 0)
		);
	end component rom;
	
	component r2_w_ram is
	generic	(
				ADDR_WIDTH : integer range 1 to integer'high;
				DATA_WIDTH : integer range 1 to integer'high
			);
	port(
		--System inputs
			clk : in std_logic;
		--Input
			wr_addr, rd_addr1, rd_addr2 : in std_logic_vector(ADDR_WIDTH-1 downto 0);
			
			wr_en : in std_logic;
			data_in : in std_logic_vector(DATA_WIDTH-1 downto 0);
			
		--Output
			data_out1, data_out2: out std_logic_vector(DATA_WIDTH-1 downto 0)
		);
	end component r2_w_ram;
	
	component rw_r_ram is
	generic	(
				ADDR_WIDTH : integer range 1 to integer'high;
				DATA_WIDTH : integer range 1 to integer'high
			);
	port(
		--System inputs
			clk : in std_logic;
		--Input
			rw_addr, rd_addr : in std_logic_vector(ADDR_WIDTH-1 downto 0);
			
			wr_en : in std_logic;
			data_in : in std_logic_vector(DATA_WIDTH-1 downto 0);
			
		--Output
			rw_out, rd_out: out std_logic_vector(DATA_WIDTH-1 downto 0)
		);
	end component rw_r_ram;

end package mem_pkg;