----------------------------------------------------------------------
|
----------------------------------------------------------------------
|
---- ----
|
---- ----
|
---- PlTbUtils Testbench ----
|
---- PlTbUtils Testbench ----
|
---- ----
|
---- ----
|
---- This file is part of the PlTbUtils project ----
|
---- This file is part of the PlTbUtils project ----
|
---- http://opencores.org/project,pltbutils ----
|
---- http://opencores.org/project,pltbutils ----
|
---- ----
|
---- ----
|
---- Description ----
|
---- Description ----
|
---- PlTbUtils is a collection of functions, procedures and ----
|
---- PlTbUtils is a collection of functions, procedures and ----
|
---- components for easily creating stimuli and checking response ----
|
---- components for easily creating stimuli and checking response ----
|
---- in automatic self-checking testbenches. ----
|
---- in automatic self-checking testbenches. ----
|
---- ----
|
---- ----
|
---- This is a testbench file, which is used to verify ----
|
---- This is a testbench file, which is used to verify ----
|
---- - pltbutils_func_pkg ----
|
---- - pltbutils_func_pkg ----
|
---- - pltbutils_comp ----
|
---- - pltbutils_comp ----
|
---- This testbench is NOT selfchecking or automatic. ----
|
---- This testbench is NOT selfchecking or automatic. ----
|
---- Manually check the transcript and waveform, when simulating. ----
|
---- Manually check the transcript and waveform, when simulating. ----
|
---- It prints some informative text in the transcript, to help ----
|
---- It prints some informative text in the transcript, to help ----
|
---- with the manual inspection. ----
|
---- with the manual inspection. ----
|
---- ----
|
---- ----
|
---- ----
|
---- ----
|
---- To Do: ----
|
---- To Do: ----
|
---- - ----
|
---- - ----
|
---- ----
|
---- ----
|
---- Author(s): ----
|
---- Author(s): ----
|
---- - Per Larsson, pela@opencores.org ----
|
---- - Per Larsson, pela@opencores.org ----
|
---- ----
|
---- ----
|
----------------------------------------------------------------------
|
----------------------------------------------------------------------
|
---- ----
|
---- ----
|
---- Copyright (C) 2013-2014 Authors and OPENCORES.ORG ----
|
---- Copyright (C) 2013-2014 Authors and OPENCORES.ORG ----
|
---- ----
|
---- ----
|
---- This source file may be used and distributed without ----
|
---- This source file may be used and distributed without ----
|
---- restriction provided that this copyright statement is not ----
|
---- restriction provided that this copyright statement is not ----
|
---- removed from the file and that any derivative work contains ----
|
---- removed from the file and that any derivative work contains ----
|
---- the original copyright notice and the associated disclaimer. ----
|
---- the original copyright notice and the associated disclaimer. ----
|
---- ----
|
---- ----
|
---- This source file is free software; you can redistribute it ----
|
---- This source file is free software; you can redistribute it ----
|
---- and/or modify it under the terms of the GNU Lesser General ----
|
---- and/or modify it under the terms of the GNU Lesser General ----
|
---- Public License as published by the Free Software Foundation; ----
|
---- Public License as published by the Free Software Foundation; ----
|
---- either version 2.1 of the License, or (at your option) any ----
|
---- either version 2.1 of the License, or (at your option) any ----
|
---- later version. ----
|
---- later version. ----
|
---- ----
|
---- ----
|
---- This source is distributed in the hope that it will be ----
|
---- This source is distributed in the hope that it will be ----
|
---- useful, but WITHOUT ANY WARRANTY; without even the implied ----
|
---- useful, but WITHOUT ANY WARRANTY; without even the implied ----
|
---- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ----
|
---- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ----
|
---- PURPOSE. See the GNU Lesser General Public License for more ----
|
---- PURPOSE. See the GNU Lesser General Public License for more ----
|
---- details. ----
|
---- details. ----
|
---- ----
|
---- ----
|
---- You should have received a copy of the GNU Lesser General ----
|
---- You should have received a copy of the GNU Lesser General ----
|
---- Public License along with this source; if not, download it ----
|
---- Public License along with this source; if not, download it ----
|
---- from http://www.opencores.org/lgpl.shtml ----
|
---- from http://www.opencores.org/lgpl.shtml ----
|
---- ----
|
---- ----
|
----------------------------------------------------------------------
|
----------------------------------------------------------------------
|
library ieee;
|
library ieee;
|
use ieee.std_logic_1164.all;
|
use ieee.std_logic_1164.all;
|
use ieee.numeric_std.all;
|
use ieee.numeric_std.all;
|
use std.textio.all;
|
use std.textio.all;
|
use work.txt_util.all;
|
use work.txt_util.all;
|
use work.pltbutils_func_pkg.all;
|
use work.pltbutils_func_pkg.all;
|
use work.pltbutils_comp_pkg.all;
|
use work.pltbutils_comp_pkg.all;
|
|
|
entity tb_pltbutils is
|
entity tb_pltbutils is
|
generic (
|
generic (
|
G_CLK_PERIOD : time := 10 ns
|
G_CLK_PERIOD : time := 10 ns
|
);
|
);
|
end entity tb_pltbutils;
|
end entity tb_pltbutils;
|
|
|
architecture bhv of tb_pltbutils is
|
architecture bhv of tb_pltbutils is
|
|
|
-- Simulation status- and control signals
|
-- Simulation status- and control signals
|
-- for accessing .stop_sim and for viewing in waveform window
|
-- for accessing .stop_sim and for viewing in waveform window
|
signal pltbs : pltbs_t := C_PLTBS_INIT;
|
signal pltbs : pltbs_t := C_PLTBS_INIT;
|
|
|
-- Expected number of checks and number of errors to be reported
|
-- Expected number of checks and number of errors to be reported
|
-- by pltbutils. The counting is made by variables, but the
|
-- by pltbutils. The counting is made by variables, but the
|
-- variables are copied to these signals for easier viewing in
|
-- variables are copied to these signals for easier viewing in
|
-- the simulator's waveform window.
|
-- the simulator's waveform window.
|
signal expected_checks_cnt : integer := 0;
|
signal expected_checks_cnt : integer := 0;
|
signal expected_errors_cnt : integer := 0;
|
signal expected_errors_cnt : integer := 0;
|
|
|
-- DUT stimuli and response signals
|
-- DUT stimuli and response signals
|
signal clk : std_logic;
|
signal clk : std_logic;
|
signal clk_cnt : integer := 0;
|
signal clk_cnt : integer := 0;
|
signal clk_cnt_clr : boolean := false;
|
signal clk_cnt_clr : boolean := false;
|
signal s_i : integer;
|
signal s_i : integer;
|
signal s_sl : std_logic;
|
signal s_sl : std_logic;
|
signal s_slv : std_logic_vector(7 downto 0);
|
signal s_slv : std_logic_vector(7 downto 0);
|
signal s_u : unsigned(7 downto 0);
|
signal s_u : unsigned(7 downto 0);
|
signal s_s : unsigned(7 downto 0);
|
signal s_s : unsigned(7 downto 0);
|
|
|
begin
|
begin
|
|
|
-- Clock generator
|
-- Clock generator
|
clkgen0 : pltbutils_clkgen
|
clkgen0 : pltbutils_clkgen
|
generic map(
|
generic map(
|
G_PERIOD => G_CLK_PERIOD
|
G_PERIOD => G_CLK_PERIOD
|
)
|
)
|
port map(
|
port map(
|
clk_o => clk,
|
clk_o => clk,
|
stop_sim_i => pltbs.stop_sim
|
stop_sim_i => pltbs.stop_sim
|
);
|
);
|
|
|
-- Clock cycle counter
|
-- Clock cycle counter
|
p_clk_cnt : process (clk_cnt_clr, clk)
|
p_clk_cnt : process (clk_cnt_clr, clk)
|
begin
|
begin
|
if clk_cnt_clr then
|
if clk_cnt_clr then
|
clk_cnt <= 0;
|
clk_cnt <= 0;
|
elsif rising_edge(clk) then
|
elsif rising_edge(clk) then
|
clk_cnt <= clk_cnt + 1;
|
clk_cnt <= clk_cnt + 1;
|
end if;
|
end if;
|
end process p_clk_cnt;
|
end process p_clk_cnt;
|
|
|
-- Testcase
|
-- Testcase
|
p_tc1 : process
|
p_tc1 : process
|
variable pltbv : pltbv_t := C_PLTBV_INIT;
|
variable pltbv : pltbv_t := C_PLTBV_INIT;
|
variable v_expected_tests_cnt : integer := 0;
|
variable v_expected_tests_cnt : integer := 0;
|
variable v_expected_checks_cnt : integer := 0;
|
variable v_expected_checks_cnt : integer := 0;
|
variable v_expected_errors_cnt : integer := 0;
|
variable v_expected_errors_cnt : integer := 0;
|
begin
|
begin
|
|
|
print("<Testing startsim()>");
|
print("<Testing startsim()>");
|
startsim("tc1", pltbv, pltbs);
|
startsim("tc1", pltbv, pltbs);
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
assert (pltbv.test_num = 0) and (pltbs.test_num = 0)
|
assert (pltbv.test_num = 0) and (pltbs.test_num = 0)
|
report "test_num after startsim() incorrect"
|
report "test_num after startsim() incorrect"
|
severity error;
|
severity error;
|
print("<Done testing startsim()>");
|
print("<Done testing startsim()>");
|
|
|
print("<Testing starttest() with auto-incrementing test_num>");
|
print("<Testing starttest() with auto-incrementing test_num>");
|
starttest("TestName1", pltbv, pltbs);
|
starttest("TestName1", pltbv, pltbs);
|
v_expected_tests_cnt := v_expected_tests_cnt + 1;
|
v_expected_tests_cnt := v_expected_tests_cnt + 1;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
assert (pltbv.test_num = 1) and (pltbs.test_num = 1)
|
assert (pltbv.test_num = 1) and (pltbs.test_num = 1)
|
report "test_num after starttest() incorrect"
|
report "test_num after starttest() incorrect"
|
severity error;
|
severity error;
|
print("<Done testing starttest() with auto-incrementing test_num()>");
|
print("<Done testing starttest() with auto-incrementing test_num()>");
|
|
|
print("<Testing endtest()>");
|
print("<Testing endtest()>");
|
endtest(pltbv, pltbs);
|
endtest(pltbv, pltbs);
|
print("<Done testing endtest()>");
|
print("<Done testing endtest()>");
|
|
|
print("<Testing starttest() with explicit test_num>");
|
print("<Testing starttest() with explicit test_num>");
|
starttest(3, "TestName2", pltbv, pltbs);
|
starttest(3, "TestName2", pltbv, pltbs);
|
v_expected_tests_cnt := v_expected_tests_cnt + 1;
|
v_expected_tests_cnt := v_expected_tests_cnt + 1;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
assert (pltbv.test_num = 3) and (pltbs.test_num = 3)
|
assert (pltbv.test_num = 3) and (pltbs.test_num = 3)
|
report "test_num after startsim() incorrect"
|
report "test_num after startsim() incorrect"
|
severity error;
|
severity error;
|
print("<Done testing starttest() with explicit test_num>");
|
print("<Done testing starttest() with explicit test_num>");
|
|
|
print("<Testing waitclks()>");
|
print("<Testing waitclks()>");
|
clk_cnt_clr <= true;
|
clk_cnt_clr <= true;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
clk_cnt_clr <= false;
|
clk_cnt_clr <= false;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
waitclks(10, clk, pltbv, pltbs);
|
waitclks(10, clk, pltbv, pltbs);
|
assert clk_cnt = 10
|
assert clk_cnt = 10
|
report "clk_cnt after waitclks() incorrect:" & integer'image(clk_cnt) &
|
report "clk_cnt after waitclks() incorrect:" & integer'image(clk_cnt) &
|
" expected:" & integer'image(10)
|
" expected:" & integer'image(10)
|
severity error;
|
severity error;
|
print("<Done testing waitclks()>");
|
print("<Done testing waitclks()>");
|
|
|
print("<Testing check() integer>");
|
print("<Testing check() integer>");
|
s_i <= 0;
|
s_i <= 0;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct integer = 0", s_i, 0, pltbv, pltbs);
|
check("Testing correct integer = 0", s_i, 0, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_i <= 1;
|
s_i <= 1;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct integer = 1", s_i, 1, pltbv, pltbs);
|
check("Testing correct integer = 1", s_i, 1, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_i <= 17;
|
s_i <= 17;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect integer = 17", s_i, 18, pltbv, pltbs);
|
check("Testing incorrect integer = 17", s_i, 18, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
s_i <= -1;
|
s_i <= -1;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing negative integer = -1", s_i, -1, pltbv, pltbs);
|
check("Testing negative integer = -1", s_i, -1, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
|
|
print("<Done testing check() integer>");
|
print("<Done testing check() integer>");
|
|
|
print("<Testing check() std_logic>");
|
print("<Testing check() std_logic>");
|
s_sl <= '0';
|
s_sl <= '0';
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic = '0'", s_sl, '0', pltbv, pltbs);
|
check("Testing correct std_logic = '0'", s_sl, '0', pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_sl <= '1';
|
s_sl <= '1';
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic = '1'", s_sl, '1', pltbv, pltbs);
|
check("Testing correct std_logic = '1'", s_sl, '1', pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_sl <= 'X';
|
s_sl <= 'X';
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect std_logic = '1'", s_sl, '1', pltbv, pltbs);
|
check("Testing incorrect std_logic = '1'", s_sl, '1', pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() std_logic>");
|
print("<Done testing check() std_logic>");
|
|
|
print("<Testing check() std_logic against integer>");
|
print("<Testing check() std_logic against integer>");
|
s_sl <= '0';
|
s_sl <= '0';
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic = '0'", s_sl, 0, pltbv, pltbs);
|
check("Testing correct std_logic = '0'", s_sl, 0, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_sl <= '1';
|
s_sl <= '1';
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic = '1'", s_sl, 1, pltbv, pltbs);
|
check("Testing correct std_logic = '1'", s_sl, 1, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_sl <= 'X';
|
s_sl <= 'X';
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect std_logic = '1'", s_sl, 1, pltbv, pltbs);
|
check("Testing incorrect std_logic = '1'", s_sl, 1, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
s_sl <= '1';
|
s_sl <= '1';
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing std_logic = '1' with incorrect expected", s_sl, 2, pltbv, pltbs);
|
check("Testing std_logic = '1' with incorrect expected", s_sl, 2, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() std_logic against integer>");
|
print("<Done testing check() std_logic against integer>");
|
|
|
print("<Testing check() std_logic_vector>");
|
print("<Testing check() std_logic_vector>");
|
s_slv <= x"00";
|
s_slv <= x"00";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic_vector = x'00'", s_slv, x"00", pltbv, pltbs);
|
check("Testing correct std_logic_vector = x'00'", s_slv, x"00", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_slv <= x"47";
|
s_slv <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic_vector = x'47'", s_slv, x"47", pltbv, pltbs);
|
check("Testing correct std_logic_vector = x'47'", s_slv, x"47", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_slv <= x"11";
|
s_slv <= x"11";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect std_logic_vector = x'11'", s_slv, x"10", pltbv, pltbs);
|
check("Testing incorrect std_logic_vector = x'11'", s_slv, x"10", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() std_logic_vector>");
|
print("<Done testing check() std_logic_vector>");
|
|
|
print("<Testing check() std_logic_vector with mask>");
|
print("<Testing check() std_logic_vector with mask>");
|
s_slv <= x"47";
|
s_slv <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing std_logic_vector = x'47' with correct nibble mask", s_slv, x"57", x"0F", pltbv, pltbs);
|
check("Testing std_logic_vector = x'47' with correct nibble mask", s_slv, x"57", x"0F", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_slv <= x"47";
|
s_slv <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing std_logic_vector = x'47' with incorrect nibble mask", s_slv, x"57", x"F0", pltbv, pltbs);
|
check("Testing std_logic_vector = x'47' with incorrect nibble mask", s_slv, x"57", x"F0", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() std_logic_vector with mask>");
|
print("<Done testing check() std_logic_vector with mask>");
|
|
|
print("<Testing check() std_logic_vector against integer>");
|
print("<Testing check() std_logic_vector against integer>");
|
s_slv <= x"00";
|
s_slv <= x"00";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic_vector = x'00'", s_slv, 0, pltbv, pltbs);
|
check("Testing correct std_logic_vector = x'00'", s_slv, 0, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_slv <= x"47";
|
s_slv <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct std_logic_vector = x'47'", s_slv, 16#47#, pltbv, pltbs);
|
check("Testing correct std_logic_vector = x'47'", s_slv, 16#47#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_slv <= x"11";
|
s_slv <= x"11";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect std_logic_vector = x'11'", s_slv, 16#10#, pltbv, pltbs);
|
check("Testing incorrect std_logic_vector = x'11'", s_slv, 16#10#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
s_slv <= x"FF";
|
s_slv <= x"FF";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing negative std_logic_vector = x'FF'", s_slv, -1, pltbv, pltbs);
|
check("Testing negative std_logic_vector = x'FF'", s_slv, -1, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
print("<Done testing check() std_logic_vector against integer>");
|
print("<Done testing check() std_logic_vector against integer>");
|
|
|
print("<Testing check() std_logic_vector with mask against integer>");
|
print("<Testing check() std_logic_vector with mask against integer>");
|
s_slv <= x"47";
|
s_slv <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing std_logic_vector = x'47' with correct nibble mask", s_slv, 16#57#, x"0F", pltbv, pltbs);
|
check("Testing std_logic_vector = x'47' with correct nibble mask", s_slv, 16#57#, x"0F", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_slv <= x"47";
|
s_slv <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing std_logic_vector = x'47' with incorrect nibble mask", s_slv, 16#57#, x"F0", pltbv, pltbs);
|
check("Testing std_logic_vector = x'47' with incorrect nibble mask", s_slv, 16#57#, x"F0", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() std_logic_vector with mask against integer>");
|
print("<Done testing check() std_logic_vector with mask against integer>");
|
|
|
print("<Testing check() unsigned>");
|
print("<Testing check() unsigned>");
|
s_u <= x"00";
|
s_u <= x"00";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct unsigned = x'00'", s_u, x"00", pltbv, pltbs);
|
check("Testing correct unsigned = x'00'", s_u, x"00", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_u <= x"47";
|
s_u <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct unsigned = x'47'", s_u, x"47", pltbv, pltbs);
|
check("Testing correct unsigned = x'47'", s_u, x"47", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_u <= x"11";
|
s_u <= x"11";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect unsigned = x'11'", s_u, x"10", pltbv, pltbs);
|
check("Testing incorrect unsigned = x'11'", s_u, x"10", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() unsigned>");
|
print("<Done testing check() unsigned>");
|
|
|
print("<Testing check() unsigned against integer>");
|
print("<Testing check() unsigned against integer>");
|
s_u <= x"00";
|
s_u <= x"00";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct unsigned = x'00'", s_u, 0, pltbv, pltbs);
|
check("Testing correct unsigned = x'00'", s_u, 0, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_u <= x"47";
|
s_u <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct unsigned = x'47'", s_u, 16#47#, pltbv, pltbs);
|
check("Testing correct unsigned = x'47'", s_u, 16#47#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_u <= x"11";
|
s_u <= x"11";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect unsigned = x'11'", s_u, 16#10#, pltbv, pltbs);
|
check("Testing incorrect unsigned = x'11'", s_u, 16#10#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() unsigned against integer>");
|
print("<Done testing check() unsigned against integer>");
|
|
|
print("<Testing check() signed>");
|
print("<Testing check() signed>");
|
s_s <= x"00";
|
s_s <= x"00";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct signed = x'00'", s_s, x"00", pltbv, pltbs);
|
check("Testing correct signed = x'00'", s_s, x"00", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_s <= x"47";
|
s_s <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct signed = x'47'", s_s, x"47", pltbv, pltbs);
|
check("Testing correct signed = x'47'", s_s, x"47", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_s <= x"11";
|
s_s <= x"11";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect signed = x'11'", s_s, x"10", pltbv, pltbs);
|
check("Testing incorrect signed = x'11'", s_s, x"10", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
s_s <= x"FF";
|
s_s <= x"FF";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing negative signed = x'FF'", s_s, x"FF", pltbv, pltbs);
|
check("Testing negative signed = x'FF'", s_s, x"FF", pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
print("<Done testing check() signed>");
|
print("<Done testing check() signed>");
|
|
|
print("<Testing check() signed against integer>");
|
print("<Testing check() signed against integer>");
|
s_s <= x"00";
|
s_s <= x"00";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct signed = x'00'", s_s, 0, pltbv, pltbs);
|
check("Testing correct signed = x'00'", s_s, 0, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_s <= x"47";
|
s_s <= x"47";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct signed = x'47'", s_s, 16#47#, pltbv, pltbs);
|
check("Testing correct signed = x'47'", s_s, 16#47#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_s <= x"11";
|
s_s <= x"11";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect signed = x'11'", s_s, 16#10#, pltbv, pltbs);
|
check("Testing incorrect signed = x'11'", s_s, 16#10#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
s_s <= x"FF";
|
s_s <= x"FF";
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
print("The following check fails in ModelSim for unknown reason." &
|
print("The following check fails in ModelSim for unknown reason." &
|
" It causes mismatch between expected number of errors" &
|
" It causes mismatch between expected number of errors" &
|
" and the number presented by endsim()");
|
" and the number presented by endsim()");
|
check("Testing negative signed = x'FF'", s_s, -1, pltbv, pltbs);
|
check("Testing negative signed = x'FF'", s_s, -1, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
print("<Done testing check() signed against integer>");
|
print("<Done testing check() signed against integer>");
|
|
|
print("<Testing check() boolean expression>");
|
print("<Testing check() boolean expression>");
|
s_i <= 0;
|
s_i <= 0;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing correct boolean expression 0 = 16#00#", s_i = 16#00#, pltbv, pltbs);
|
check("Testing correct boolean expression 0 = 16#00#", s_i = 16#00#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
s_i <= 47;
|
s_i <= 47;
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
check("Testing incorrect boolean expression 47 < 16#10#", s_i < 16#10#, pltbv, pltbs);
|
check("Testing incorrect boolean expression 47 < 16#10#", s_i < 16#10#, pltbv, pltbs);
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
v_expected_checks_cnt := v_expected_checks_cnt + 1;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
expected_checks_cnt <= v_expected_checks_cnt;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
v_expected_errors_cnt := v_expected_errors_cnt + 1;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
expected_errors_cnt <= v_expected_errors_cnt;
|
print("<Done testing check() boolean expresson>");
|
print("<Done testing check() boolean expresson>");
|
|
|
print("<Testing endtest()>");
|
print("<Testing endtest()>");
|
endtest(pltbv, pltbs);
|
endtest(pltbv, pltbs);
|
print("<Done testing endtest()>");
|
print("<Done testing endtest()>");
|
|
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
print("<Testing endsim()>");
|
print("<Testing endsim()>");
|
print("Expected number of tests: " & str(v_expected_tests_cnt));
|
print("Expected number of tests: " & str(v_expected_tests_cnt));
|
print("Expected number of checks: " & str(v_expected_checks_cnt));
|
print("Expected number of checks: " & str(v_expected_checks_cnt));
|
print("Expected number of errors: " & str(v_expected_errors_cnt));
|
print("Expected number of errors: " & str(v_expected_errors_cnt));
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
endsim(pltbv, pltbs, true);
|
endsim(pltbv, pltbs, true);
|
wait until rising_edge(clk);
|
wait until rising_edge(clk);
|
print("<Done testing endsim()>");
|
print("<Done testing endsim()>");
|
wait;
|
wait;
|
end process p_tc1;
|
end process p_tc1;
|
end architecture bhv;
|
end architecture bhv;
|
|
|