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--

--

--  This file is a part of JOP, the Java Optimized Processor

--

--  Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com)

--

--  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 3 of the License, or

--  (at your option) any later version.

--

--  This program is distributed in the hope that it will be useful,

--  but WITHOUT ANY WARRANTY; without even the implied warranty of

--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

--  GNU General Public License for more details.

--

--  You should have received a copy of the GNU General Public License

--  along with this program.  If not, see <http://www.gnu.org/licenses/>.

--

--

--      sc_pack.vhd

--

--      Package for SimpCon defines

--

--      Author: Martin Schoeberl (martin@jopdesign.com)

--      

--

--      2007-03-16  first version

--

--

library ieee;

use ieee.std_logic_1164.all;

use ieee.numeric_std.all;

package sc_pack is

        -- two more bits than needed for the main memory

        --    one to distinguishe between memory and IO access

        --    one more to allow memory mirroring for size auto

        --        detection at boot time

        constant SC_ADDR_SIZE : integer := 23;

        constant RDY_CNT_SIZE : integer := 2;

        type sc_out_type is record

                address         : std_logic_vector(SC_ADDR_SIZE-1 downto 0);

                wr_data         : std_logic_vector(31 downto 0);

                rd                      : std_logic;

                wr                      : std_logic;

                atomic  : std_logic;

        end record;

        type sc_in_type is record

                rd_data         : std_logic_vector(31 downto 0);

                rdy_cnt         : unsigned(RDY_CNT_SIZE-1 downto 0);

        end record;

        type sc_out_array_type is array (integer range <>) of sc_out_type;

        type sc_in_array_type is array (integer range <>) of sc_in_type;

end sc_pack;