This is xnu-8019. See this file in:
OPTIONS/fb			optional fb

OPTIONS/debug			optional debug

osfmk/vm/vm_apple_protect.c	 standard

osfmk/arm/hi_res_clock_map.c 	optional hi_res_clock

osfmk/arm/pmap.c			standard
osfmk/arm/pmap/pmap_cs.c		standard
osfmk/arm/pmap/pmap_data.c		standard
osfmk/arm/pmap/pmap_iommu.c		standard
osfmk/arm/pmap/pmap_misc.c		standard
osfmk/arm/pmap/pmap_ppl_interface.c	standard

osfmk/arm/bsd_arm.c		optional mach_bsd
osfmk/arm/machdep_call.c	optional mach_bsd

osfmk/arm/caches.c		standard
osfmk/arm/caches_asm.s		standard
osfmk/arm/cpu.c		standard
osfmk/arm/cpu_common.c		standard
osfmk/arm/cpuid.c   standard
osfmk/arm/data.s	standard
osfmk/arm/dbgwrap.c	standard
osfmk/arm/arm_timer.c		standard
osfmk/arm/arm_init.c		standard
osfmk/arm/arm_vm_init.c	standard
osfmk/arm/io_map.c		standard
osfmk/arm/loose_ends.c	standard
osfmk/arm/locks_arm.c	standard
osfmk/arm/locore.s	standard
osfmk/arm/lowmem_vectors.c	standard
osfmk/arm/start.s	standard
osfmk/arm/cswitch.s	standard
osfmk/arm/machine_cpuid.c	standard
osfmk/arm/machine_routines.c		standard
osfmk/arm/machine_routines_common.c	standard
osfmk/arm/machine_routines_asm.s	standard
osfmk/arm/machine_routines_apple.c	optional nos_arm_asm
osfmk/arm/machine_task.c		standard
osfmk/arm/pal_routines.c		standard
osfmk/arm/mcount.s		optional profile
osfmk/arm/WKdmDecompress_new.s	standard
osfmk/arm/WKdmCompress_new.s	standard
osfmk/arm/WKdmData_new.s	standard
osfmk/arm/lz4_decode_armv7NEON.s standard
osfmk/arm/lz4_encode_armv7.s standard
osfmk/arm/bcopy.s	standard
osfmk/arm/bzero.s	standard
osfmk/arm/strlen.s	standard
osfmk/arm/strnlen.s	standard
osfmk/arm/strncmp.s	standard
osfmk/arm/strncpy.c	standard
osfmk/arm/strlcpy.c	standard
osfmk/arm/trustcache.c		standard

osfmk/arm/model_dep.c		standard
osfmk/arm/pcb.c		standard
osfmk/arm/rtclock.c		standard
osfmk/arm/counter.c		standard
osfmk/arm/status.c		standard
osfmk/arm/status_shared.c	standard
osfmk/arm/trap.c		standard

osfmk/arm/commpage/commpage.c	standard

osfmk/kdp/ml/arm/kdp_machdep.c	optional	mach_kdp
osfmk/kdp/ml/arm/kdp_vm.c	optional	mach_kdp

# DUMMIES TO FORCE GENERATION OF .h FILES
osfmk/OPTIONS/ln		optional ln
osfmk/OPTIONS/eisa		optional eisa
osfmk/OPTIONS/himem		optional himem
osfmk/OPTIONS/ec		optional ec
osfmk/OPTIONS/hi_res_clock	optional hi_res_clock

# Kernel performance monitoring
osfmk/arm/kpc_arm.c		optional kpc

osfmk/arm/monotonic_arm.c optional monotonic