leonlib.vhd

一个航天航空用的Sparc处理器（配美国欧洲宇航局用的R_tems嵌入式操作系统）的VHDL源代码

-----------------------------------------------------------------------------
--  This file is a part of the LEON VHDL model
--  Copyright (C) 1999  European Space Agency (ESA)
--
--  This program is free software; you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation; either version 2 of the License, or
--  (at your option) any later version.
--
--  See the file COPYING for the full details of the license.
-----------------------------------------------------------------------------
-- Entity: 	leonlib
-- File:	leonlib.vhd
-- Author:	Jiri Gaisler - ESA/ESTEC
-- Description:	package containing LEON 
------------------------------------------------------------------------------
-- Version control:
-- 16-08-1999:	First implemetation
-- 26-09-1999:	Release 1.0
------------------------------------------------------------------------------

LIBRARY ieee;
use IEEE.std_logic_1164.all;
use work.iface.all;

package leonlib is
component leon 
  port (
    resetn   : in  std_logic;
    Clk      : in  std_logic;
    errorn   : out std_logic;

    address  : out std_logic_vector(27 downto 0);
    data     : inout std_logic_vector(31 downto 0);
    cb       : inout std_logic_vector(6 downto 0);
    ramsn    : out std_logic_vector(3 downto 0);
    ramoen   : out std_logic_vector(3 downto 0);
    rwen     : out std_logic_vector(3 downto 0);
    romsn    : out std_logic_vector(1 downto 0);
    iosn     : out std_logic;
    oen      : out std_logic;
    read     : out std_logic;
    writen   : out std_logic;
    brdyn    : in  std_logic;
    bexcn    : in  std_logic;

    pio      : inout std_logic_vector(15 downto 0);
    wdogn    : out std_logic;
-- pragma translate_off
    debug  : out iu_debug_type
-- pragma translate_on
  );
end component;

end;