More testcases & documentation

test/lib/cpuifs/apb3/tb_inst.sv

@@ -1,3 +1,4 @@
+{% sv_line_anchor %}
 apb3_intf #(
     .DATA_WIDTH({{exporter.cpuif.data_width}}),
     .ADDR_WIDTH({{exporter.cpuif.addr_width}})
@@ -11,6 +12,7 @@ apb3_intf_driver #(
     .m_apb(s_apb)
 );
 {% if type(cpuif).__name__.startswith("Flat") %}
+{% sv_line_anchor %}
 wire s_apb_psel;
 wire s_apb_penable;
 wire s_apb_pwrite;

test/lib/cpuifs/base.py

@@ -6,6 +6,8 @@ import jinja2 as jj
 
 from peakrdl.regblock.cpuif.base import CpuifBase
 
+from ..sv_line_anchor import SVLineAnchor
+
 if TYPE_CHECKING:
     from peakrdl.regblock import RegblockExporter
     from ..regblock_testcase import RegblockTestCase
@@ -30,13 +32,17 @@ class CpuifTestMode:
 
 
     def get_tb_inst(self, tb_cls: 'RegblockTestCase', exporter: 'RegblockExporter') -> str:
-        class_dir = os.path.dirname(inspect.getfile(self.__class__))
+
+        # For consistency, make the template root path relative to the test dir
+        template_root_path = os.path.join(os.path.dirname(__file__), "../..")
+
         loader = jj.FileSystemLoader(
-            os.path.join(class_dir)
+            template_root_path
         )
         jj_env = jj.Environment(
             loader=loader,
             undefined=jj.StrictUndefined,
+            extensions=[SVLineAnchor],
         )
 
         context = {
@@ -46,5 +52,11 @@ class CpuifTestMode:
             "type": type,
         }
 
-        template = jj_env.get_template(self.tb_template)
+        # template paths are relative to their class.
+        # transform to be relative to the root path
+        class_dir = os.path.dirname(inspect.getfile(self.__class__))
+        template_local_path = os.path.join(class_dir, self.tb_template)
+        template_path = os.path.relpath(template_local_path, template_root_path)
+        template = jj_env.get_template(template_path)
+
         return template.render(context)