| library ieee; |
| use ieee.std_logic_1164.all; |
| |
| library foo; |
| use foo.foo_m; |
| |
| library bar; |
| use bar.bar_m; |
| |
| entity top is |
| port ( |
| clock : in std_logic; |
| a : in std_logic; |
| b : in std_logic; |
| x : out std_logic; |
| y : out std_logic |
| ); |
| end entity; |
| |
| architecture rtl of top is |
| component foo_m is |
| port ( |
| clock : in std_logic; |
| a : in std_logic; |
| b : in std_logic; |
| x : out std_logic; |
| y : out std_logic |
| ); |
| end component; |
| component bar_m is |
| port ( |
| clock : in std_logic; |
| a : in std_logic; |
| b : in std_logic; |
| x : out std_logic; |
| y : out std_logic |
| ); |
| end component; |
| signal t1, t2 : std_logic; |
| begin |
| foo_inst : foo_m port map ( |
| clock => clock, |
| a => a, |
| b => b, |
| x => t1, |
| y => t2 |
| ); |
| |
| bar_inst : bar_m port map ( |
| clock => clock, |
| a => t1, |
| b => t2, |
| x => x, |
| y => y |
| ); |
| end architecture; |