static void core_begin(MemoryListener *listener) { destroy_all_mappings(); phys_sections_clear(); phys_map.ptr = PHYS_MAP_NODE_NIL; phys_section_unassigned = dummy_section(&io_mem_unassigned); phys_section_notdirty = dummy_section(&io_mem_notdirty); phys_section_rom = dummy_section(&io_mem_rom); phys_section_watch = dummy_section(&io_mem_watch); }