Fix some Vivado issues (SystemVerilog support, space in file name, en…

…vironment variable)

vunit/vivado/vivado.py

@@ -9,7 +9,7 @@
 """
 
 from subprocess import check_call
-from os import makedirs
+from os import makedirs, environ
 from pathlib import Path
 
 
@@ -31,7 +31,7 @@ def add_from_compile_order_file(
     no_dependency_scan = []
     with_dependency_scan = []
     for library_name, file_name in compile_order:
-        is_verilog = file_name.endswith(".v") or file_name.endswith(".vp")
+        is_verilog = file_name.endswith((".v", ".vp", ".sv"))
 
         # Optionally use VUnit dependency scanning for everything in xil_defaultlib, which
         # typically contains unencrypted top levels that instantiate encrypted implementations.
@@ -81,7 +81,7 @@ def create_compile_order_file(project_file, compile_order_file, vivado_path=None
 
 def _read_compile_order(file_name, fail_on_non_hdl_files):
     """
-    Read the compile order file and filter out duplicate files
+    Read the compile order file and filter out duplicate files.
     """
     compile_order = []
     unique = set()
@@ -93,7 +93,7 @@ def _read_compile_order(file_name, fail_on_non_hdl_files):
         for line in ifile.readlines():
             library_name, file_type, file_name = line.strip().split(",", 2)
 
-            if file_type not in ("Verilog", "VHDL", "Verilog Header"):
+            if file_type not in ("Verilog", "VHDL", "Verilog Header", "SystemVerilog"):
                 if fail_on_non_hdl_files:
                     raise RuntimeError(f"Unsupported compile order file: {file_name}")
                 print(f"Compile order file ignored: {file_name}")
@@ -120,12 +120,22 @@ def run_vivado(tcl_file_name, tcl_args=None, cwd=None, vivado_path=None):
     """
     Run tcl script in Vivado in batch mode.
 
-    Note: the shell=True is important in windows where Vivado is just a bat file.
+    :param tcl_file_name: Path to tcl file
+    :param tcl_args: tcl arguments passed to Vivado via the ``-tclargs`` switch
+    :param cwd: Passed as ``cwd`` to ``subprocess.check_call``
+    :param vivado_path: Path to Vivado install directory. If ``None``, the
+        environment variable ``VUNIT_VIVADO_PATH`` is used if set. Otherwise,
+        rely on that ``vivado`` is in the path.
     """
-    vivado = "vivado" if vivado_path is None else str(Path(vivado_path).resolve() / "bin" / "vivado")
-    cmd = f"{vivado} -nojournal -nolog -notrace -mode batch -source {str(Path(tcl_file_name).resolve())}"
+    vivado = (
+        str(Path(vivado_path).resolve() / "bin" / "vivado")
+        if vivado_path is not None
+        else environ.get("VUNIT_VIVADO_PATH", "vivado")
+    )
+    cmd = f'"{vivado}" -nojournal -nolog -notrace -mode batch -source "{str(Path(tcl_file_name).resolve())}"'
     if tcl_args is not None:
-        cmd += " -tclargs " + " ".join([str(val) for val in tcl_args])
+        cmd += " -tclargs " + " ".join([f'"{val}"' for val in tcl_args])
 
     print(cmd)
+    # shell=True is important in Windows where Vivado is just a bat file.
     check_call(cmd, cwd=cwd, shell=True)