58                 series.socs.extend(socs)
60                 self._socs.extend(socs)
62                 family.socs.extend(socs)
67             self._socs.extend(socs)
76             series.socs.extend(socs)
78             self._socs.extend(socs)
81             mutual_exclusive = {'name', 'extend'}
88             elif soc.get('extend') is not None:
89                 self._extended_socs.append(Soc(soc['extend'],
132     def extend(self, systems):  member in Systems
133         self._families.extend(systems.get_families())
134         self._series.extend(systems.get_series())
139                     s.extend(es)
142         self._socs.extend(systems.get_socs())
147                     s.extend(es)
180     def extend(self, soc):  member in Soc
182             self.cpuclusters.extend(soc.cpuclusters)
183             self.folder.extend(soc.folder)
230             ret['archs'].extend(archs['archs'])
239         yml_files.extend(sorted((root / 'soc').rglob(SOC_YML)))
243             systems.extend(Systems.from_file(soc_yml))