+-- `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.alu_pkg.all;
+use work.extension_pkg.all;
+--use work.gpm_pkg.all;
+
entity execute_stage is
generic (
-- active reset value
- RESET_VALUE : std_logic;
+ RESET_VALUE : std_logic
-- active logic value
- LOGIC_ACT : std_logic;
+ --LOGIC_ACT : std_logic;
);
port(
--System inputs
clk : in std_logic;
reset : in std_logic;
+ dec_instr : in dec_op;
+ regfile_val : in gp_register_t;
+ reg_we : in std_logic;
+ reg_addr : in gp_addr_t;
+ ext_reg : in extmod_rec;
+ --System output
+ result : out gp_register_t;--reg
+ result_addr : out gp_addr_t;--reg
+ addr : out word_t; --memaddr
+ data : out gp_register_t; --mem data --ureg
+ alu_jump : out std_logic;--reg
+ brpr : out std_logic; --reg
+ wr_en : out std_logic;--regop --reg
+ dmem : out std_logic;--memop
+ dmem_write_en : out std_logic;
+ hword : out std_logic;
+ byte_s : out std_logic;
+
+ ext_data_out : out gp_register_t
);
end execute_stage;