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-------------------------------------------------------------------------------
-- Copyright (c) 2016 Potential Ventures Ltd
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are met:
-- * Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
-- * Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
-- * Neither the name of Potential Ventures Ltd,
-- Copyright (c) 2013 SolarFlare Communications Inc nor the
-- names of its contributors may be used to endorse or promote products
-- derived from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-- DISCLAIMED. IN NO EVENT SHALL POTENTIAL VENTURES LTD BE LIABLE FOR ANY
-- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library work;
use work.array_module_pack.all;
entity array_module is
generic (
param_logic : std_logic := '1';
param_logic_vec : std_logic_vector(7 downto 0) := X"DA";
param_bool : boolean := TRUE;
param_int : integer := 6;
param_real : real := 3.14;
param_char : character := 'p';
param_str : string(1 to 8) := "ARRAYMOD";
param_rec : rec_type := REC_TYPE_ZERO;
param_cmplx : rec_array(0 to 1) := (others=>REC_TYPE_ZERO)
);
port (
clk : in std_logic;
select_in : in integer;
port_desc_in : in std_logic_vector(7 downto 0);
port_asc_in : in std_logic_vector(0 to 7);
port_ofst_in : in std_logic_vector(1 to 8);
port_desc_out : out std_logic_vector(7 downto 0);
port_asc_out : out std_logic_vector(0 to 7);
port_ofst_out : out std_logic_vector(1 to 8);
port_logic_out : out std_logic;
port_logic_vec_out : out std_logic_vector(7 downto 0);
port_bool_out : out boolean;
port_int_out : out integer;
port_real_out : out real;
port_char_out : out character;
port_str_out : out string(1 to 8);
port_rec_out : out rec_type;
port_cmplx_out : out rec_array(0 to 1)
);
end;
architecture impl of array_module is
constant const_logic : std_logic := '0';
constant const_logic_vec : std_logic_vector(7 downto 0) := X"3D";
constant const_bool : boolean := FALSE;
constant const_int : integer := 12;
constant const_real : real := 6.28;
constant const_char : character := 'c';
constant const_str : string(1 to 8) := "MODARRAY";
constant const_rec : rec_type := REC_TYPE_ONE;
constant const_cmplx : rec_array(1 to 2) := (others=>REC_TYPE_ONE);
signal sig_desc : std_logic_vector(23 downto 16);
signal sig_asc : std_logic_vector(16 to 23);
signal \ext_id\ : std_logic;
signal \!\ : std_logic;
signal sig_t1 : t1;
signal sig_t2 : t2;
signal sig_t3a : t3(1 to 4);
signal sig_t3b : t3(3 downto 0);
signal sig_t4 : t4;
signal sig_t5 : t5;
signal sig_t6 : t6(0 to 1, 2 to 4);
signal sig_logic : std_logic;
signal sig_logic_vec : std_logic_vector(7 downto 0);
signal sig_bool : boolean;
signal sig_int : integer;
signal sig_real : real;
signal sig_char : character;
signal sig_str : string(1 to 8);
signal sig_rec : rec_type;
signal sig_cmplx : rec_array(0 to 1);
begin
port_ofst_out <= port_ofst_in;
sig_proc : process (clk)
begin
if (rising_edge(clk)) then
if (select_in = 1) then
port_logic_out <= const_logic;
port_logic_vec_out <= const_logic_vec;
port_bool_out <= const_bool;
port_int_out <= const_int;
port_real_out <= const_real;
port_char_out <= const_char;
port_str_out <= const_str;
port_rec_out <= const_rec;
port_cmplx_out <= const_cmplx;
elsif (select_in = 2) then
port_logic_out <= sig_logic;
port_logic_vec_out <= sig_logic_vec;
port_bool_out <= sig_bool;
port_int_out <= sig_int;
port_real_out <= sig_real;
port_char_out <= sig_char;
port_str_out <= sig_str;
port_rec_out <= sig_rec;
port_cmplx_out <= sig_cmplx;
else
port_logic_out <= param_logic;
port_logic_vec_out <= param_logic_vec;
port_bool_out <= param_bool;
port_int_out <= param_int;
port_real_out <= param_real;
port_char_out <= param_char;
port_str_out <= param_str;
port_rec_out <= param_rec;
port_cmplx_out <= param_cmplx;
end if;
end if;
end process sig_proc;
asc_gen : for idx1 in sig_asc'range generate
constant OFFSET : natural := sig_asc'left - port_asc_in'left;
signal sig : std_logic;
begin
sig <= port_asc_in(idx1-OFFSET) when rising_edge(clk);
sig_asc(idx1) <= sig;
port_asc_out(idx1-OFFSET) <= sig_asc(idx1);
end generate asc_gen;
desc_gen : for idx2 in port_desc_in'range generate
constant OFFSET : natural := sig_desc'left - port_desc_in'left;
signal sig : std_logic;
begin
sig <= port_desc_in(idx2) when rising_edge(clk);
sig_desc(idx2+OFFSET) <= sig;
port_desc_out(idx2) <= sig_desc(idx2+OFFSET);
end generate desc_gen;
end architecture;