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SEm-Labos/Libs/RiscV/HEIRV32_test/hdl/universalTester_test.vhd

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VHDL
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2024-02-23 13:01:05 +00:00
LIBRARY std;
USE std.textio.ALL;
LIBRARY ieee;
USE ieee.std_logic_textio.ALL;
LIBRARY Common_test;
USE Common_test.testutils.all;
ARCHITECTURE test OF universalTester IS
constant clockPeriod : time := 1.0/66E6 * 1 sec;
signal sClock : std_uLogic := '1';
signal sReset : std_uLogic ;
signal testInfo : string(1 to 40) := (others => ' ');
BEGIN
------------------------------------------------------------------------------
-- reset and clock
sReset <= '1', '0' after 3.5*clockPeriod;
rst <= sReset;
sClock <= not sClock after clockPeriod/2;
clk <= transport sClock after 0.9*clockPeriod;
btns <= (others => '1'), (others=>'0') after 4.15 us;
process
-- Wait list
-- 3 clk for beq
-- 4 clk for others
-- 5 clk for lw
begin
en <= '0';
testInfo <= pad("Wait reset", testInfo'length);
wait until rst = '0';
while true loop
en <= '1';
testInfo <= pad("Running", testInfo'length);
wait;
end loop;
end process;
END ARCHITECTURE test;