Implement testbench for bfpu

fpga/tb/tb_bfpu.vhd

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+-- tb_bfpu
+-- 2023-10-04
+-- Author: Yannick Reiß
+-- E-Mail: yannick.reiss@protonmail.ch
+-- Copyright: MIT
+-- Content: Entity tb_bfpu - Run bfpu for testbench.
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+library std;
+use std.textio.all;
+
+entity bfpu_tb is
+end bfpu_tb;
+
+architecture implementation of bfpu_tb is
+
+    -- input
+    signal clk      :   std_logic;
+    signal sw       :   std_logic_vector(7 downto 0);
+
+    -- output
+    signal debug    :   std_logic_vector(7 downto 0);
+    signal led      :   std_logic_vector(7 downto 0);
+    
+    constant clk_period : time := 10 ns;
+
+begin
+
+    uut : entity bfpu
+        port map (
+            clk     =>  clk,
+            sw      =>  sw,
+            debug   =>  debug,
+            led     =>  led);
+
+    -- Clock process definitions
+    clk_process :   process
+    begin
+        clk <= '0';
+        wait for clk_period / 2;
+        clk <= '1';
+        wait for clk_period / 2;
+    end process;
+
+    -- Process stim_proc
+    stim_proc : process
+        variable lineBuffer : line;
+    begin
+        write(lineBuffer, string'("Start the simulator"));
+        writeline(output, lineBuffer);
+
+        wait;
+    end process;
+
+end implementation ; -- implementation