fix(csrs): Support ungrouped CSRs

Related to issue IObundle#83

py2hwsw/lib/hardware/iob_csrs/iob_csrs.py

@@ -89,6 +89,7 @@ def setup(py_params_dict):
         "snippets": [],
     }
 
+    params["csrs"] = create_group_for_ungrouped_csrs(params["csrs"])
     find_and_update_interrupt_csrs(params["csrs"])
     find_and_update_fifo_csrs(params["csrs"], attributes_dict)
 
@@ -147,3 +148,26 @@ def setup(py_params_dict):
     attributes_dict["confs"][0]["val"] = csr_gen_obj.core_addr_w
 
     return attributes_dict
+
+
+def create_group_for_ungrouped_csrs(csrs):
+    general_group = {
+        "name": "general_operation",
+        "descr": "General Registers.",
+        "regs": [],
+    }
+    grouped_csrs = []
+    for csr in csrs:
+        # Check if csr is already a group
+        if "csrs" in csr:
+            grouped_csrs.append(csr)
+            continue
+
+        # Append csr to general group
+        general_group["regs"].append(csr)
+
+    # Append general group if it has any registers
+    if general_group["regs"]:
+        grouped_csrs.append(general_group)
+
+    return grouped_csrs

py2hwsw/scripts/iob_block.py

@@ -97,7 +97,9 @@ def create_block_group(core, *args, **kwargs):
         block_group = iob_block_group(blocks=block_obj_list, **group_kwargs)
         core.blocks.append(block_group)
     except Exception:
-        add_traceback_msg(f"Failed to create block/group '{kwargs['name']}'.")
+        add_traceback_msg(
+            f"Failed to create block/group '{kwargs.get('name',None) or kwargs.get('core_name',None)}'."
+        )
         raise