Added support for parallel threads with vopt

examples/vhdl/three_step_flow/run.py

@@ -4,19 +4,28 @@
 #
 # Copyright (c) 2014-2024, Lars Asplund lars.anders.asplund@gmail.com
 
+from argparse import Namespace
 from pathlib import Path
-from vunit import VUnit
+from vunit import VUnit, VUnitCLI
+from os import environ
+
+cli = VUnitCLI()
+
+environ["VUNIT_SIMULATOR"] = "modelsim"
 
 vu = VUnit.from_argv()
 vu.add_vhdl_builtins()
 
-lib = vu.add_library("lib")
-lib.add_source_files(Path(__file__).parent / "*.vhd")
+lib1 = vu.add_library("lib1")
+lib1.add_source_files(Path(__file__).parent / "sub_module" / "*.vhd")
+
+lib2 = vu.add_library("lib2")
+lib2.add_source_files(Path(__file__).parent / "*.vhd")
 
-tb = lib.test_bench("tb_example")
-test = tb.test("test 2")
+tb = lib2.test_bench("tb_example")
+test = tb.test("test")
 
-for value in range(3):
+for value in range(5):
     test.add_config(name=f"{value}", generics=dict(value=value))
 
 vu.set_sim_option("modelsim.three_step_flow", True)

examples/vhdl/three_step_flow/sub_module/tb_a.vhd

@@ -0,0 +1,35 @@
+-- This Source Code Form is subject to the terms of the Mozilla Public
+-- License, v. 2.0. If a copy of the MPL was not distributed with this file,
+-- You can obtain one at http://mozilla.org/MPL/2.0/.
+--
+-- Copyright (c) 2014-2024, Lars Asplund lars.anders.asplund@gmail.com
+
+library vunit_lib;
+context vunit_lib.vunit_context;
+
+entity tb_a is
+  generic (
+    runner_cfg : string);
+end entity;
+
+architecture tb of tb_a is
+begin
+  main : process
+    function recurse(value : integer) return integer is
+    begin
+      if value <= 0 then
+        return 0;
+      elsif value mod 2 = 0 then
+        return 1 + recurse(value - 1);
+      else
+        return recurse(value - 1);
+      end if;
+    end;
+  begin
+    test_runner_setup(runner, runner_cfg);
+
+    info("Running tb_a: " & to_string(recurse(17)));
+
+    test_runner_cleanup(runner);
+  end process;
+end architecture;

examples/vhdl/three_step_flow/tb_b.vhd

@@ -0,0 +1,35 @@
+-- This Source Code Form is subject to the terms of the Mozilla Public
+-- License, v. 2.0. If a copy of the MPL was not distributed with this file,
+-- You can obtain one at http://mozilla.org/MPL/2.0/.
+--
+-- Copyright (c) 2014-2024, Lars Asplund lars.anders.asplund@gmail.com
+
+library vunit_lib;
+context vunit_lib.vunit_context;
+
+entity tb_b is
+  generic (
+    runner_cfg : string);
+end entity;
+
+architecture tb of tb_b is
+begin
+  main : process
+    function recurse(value : integer) return integer is
+    begin
+      if value <= 0 then
+        return 0;
+      elsif value mod 2 = 0 then
+        return 1 + recurse(value - 1);
+      else
+        return recurse(value - 1);
+      end if;
+    end;
+  begin
+    test_runner_setup(runner, runner_cfg);
+
+    info("Running tb_b: " & to_string(recurse(17)));
+
+    test_runner_cleanup(runner);
+  end process;
+end architecture;

examples/vhdl/three_step_flow/tb_example.vhd

@@ -16,15 +16,23 @@ end entity;
 architecture tb of tb_example is
 begin
   main : process
+    function recurse(value : integer) return integer is
+    begin
+      if value <= 0 then
+        return 0;
+      else
+        return 1 + recurse(value - 1);
+      end if;
+    end;
   begin
     test_runner_setup(runner, runner_cfg);
 
     while test_suite loop
-      if run("test 1") then
-      elsif run("test 2") then
+      if run("test") then
       end if;
 
       info("Running " & running_test_case & " with generic value = " & to_string(value));
+      info("Recurse = " & to_string(recurse(value)));
     end loop;
 
     test_runner_cleanup(runner);

vunit/persistent_tcl_shell.py

@@ -73,7 +73,7 @@ def read_var(self, varname):
         return consumer.var
 
     def read_bool(self, varname):
-        result = self.read_var(varname)
+        result = self.read_var(varname).lower()
         assert result in ("true", "false")
         return result == "true"