+-- `Deep Thought', a softcore CPU implemented on a FPGA
+--
+-- Copyright (C) 2010 Markus Hofstaetter <markus.manrow@gmx.at>
+-- Copyright (C) 2010 Martin Perner <e0725782@student.tuwien.ac.at>
+-- Copyright (C) 2010 Stefan Rebernig <stefan.rebernig@gmail.com>
+-- Copyright (C) 2010 Manfred Schwarz <e0725898@student.tuwien.ac.at>
+-- Copyright (C) 2010 Bernhard Urban <lewurm@gmail.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/>.
+
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
use work.common_pkg.all;
use work.extension_pkg.all;
+--use work.alu_pkg.all;
+--use work.gpm_pkg.all;
-entity extension is
+entity extension_gpm is
generic (
-- active reset value
- RESET_VALUE : std_logic;
+ RESET_VALUE : std_logic
);
port(
--System inputs
clk : in std_logic;
reset : in std_logic;
+ -- general extension interface
+ ext_reg : in extmod_rec;
+ data_out : out gp_register_t;
-- Input
- ext_reg : in extmod_rec;
- pointer : in pointer_count;
- dec_inc : in std_logic;
- p_en : in std_logic;
+ psw_nxt : in status_rec;
+ paddr : in paddr_t;
+ pinc : in std_logic;
+ pwr_en : in std_logic;
-- Ouput
- data_out : out gp_register_t;
- pointer_val : out gp_register_t
-
+ psw : out status_rec;
+ pval : out gp_register_t;
+ pval_nxt : out gp_register_t
);
-end extension;
+end extension_gpm;