This is xnu-10002.1.13. See this file in:
Directory listing for xnu-10002.1.13//osfmk/arm/pmap
pmap.c
pmap.h
pmap_cs.c
pmap_data.c
pmap_data.h
pmap_internal.h
pmap_iommu.c
pmap_misc.c
pmap_ppl_interface.c
pmap_pt_geometry.h