This is xnu-8019. See this file in:
#
# Mach Operating System
# Copyright (c) 1986 Carnegie-Mellon University
# Copyright 2001-2018 Apple Inc.
#
# All rights reserved.  The CMU software License Agreement
# specifies the terms and conditions for use and redistribution.
#
######################################################################
#
#  Master Apple configuration file (see the master machine independent
#  configuration file for a description of the file format).
#
######################################################################
#
#  Standard Apple OS Configurations:
#  -------- ----- -- ---------------
#
#  KERNEL_BASE =    [ intel medium msgb_large config_requires_u32_munging config_delay_idle_sleep config_proc_udata_storage vsprintf config_waitq_irqsafe_allow_invalid ]
#  KERNEL_RELEASE = [ KERNEL_BASE ]
#  KERNEL_DEV =     [ KERNEL_BASE development mach_assert config_xnupost proc_ref_debug config_proc_resource_limits ]
#  KERNEL_DEBUG =   [ KERNEL_BASE debug mach_assert config_xnupost config_ltable_stats config_ltable_debug config_waitq_stats config_workloop_debug config_waitq_debug config_proc_resource_limits ]
#  BSD_BASE =       [ mach_bsd sysv_sem sysv_msg sysv_shm config_netboot config_imageboot config_imageboot_chunklist config_workqueue psynch config_proc_uuid_policy config_coredump pgo config_32bit_telemetry config_personas ]
#  BSD_RELEASE =    [ BSD_BASE ]
#  BSD_DEV =        [ BSD_BASE config_vnguard ]
#  BSD_DEBUG =      [ BSD_BASE config_vnguard ]
#  FILESYS_BASE =   [ devfs fdesc config_dev_kmem config_fse quota namedstreams config_mnt_rootsnap config_rosv_startup config_mount_vm config_mount_prebootrecovery config_basesystemroot config_keypage_wp config_protect fifo config_volfs fs_compression config_imgsrc_access config_triggers config_ext_resolver config_searchfs config_appledouble nullfs config_mnt_suid config_firmlinks config_dataless_files config_union_mounts bindfs]
#  FILESYS_RELEASE= [ FILESYS_BASE ]
#  FILESYS_DEV =    [ FILESYS_BASE config_iocount_trace ]
#  FILESYS_DEBUG =  [ FILESYS_BASE config_iocount_trace ]
#  NFS =            [ nfsclient nfsserver config_nfs4 config_nfs_gss ]
#  SKYWALK_BASE =   [ skywalk config_nexus_user_pipe config_nexus_kernel_pipe config_nexus_monitor config_nexus_flowswitch config_nexus_netif ]
#  SKYWALK_RELEASE = [ SKYWALK_BASE ]
#  SKYWALK_DEV =    [ SKYWALK_BASE ]
#  SKYWALK_DEBUG =  [ SKYWALK_BASE ]
#  NETWORKING =     [ inet bpfilter dummynet traffic_mgt sendfile ah_all_crypto bond vlan gif stf ifnet_input_chk config_mbuf_jumbo if_bridge MULTIPATH if_fake ]
#  NETWORKING_RELEASE = [ NETWORKING ]
#  NETWORKING_DEV = [ NETWORKING_RELEASE packet_mangler if_headless sixlowpan ]
#  NETWORKING_DEBUG = [ NETWORKING_DEV ]
#  VPN =            [ ipsec flow_divert necp content_filter ]
#  PF =             [ pf pflog ]
#  MULTIPATH =      [ multipath mptcp ]
#  IOKIT_BASE =     [ iokit iokitcpp hibernation config_sleep iokitstats hypervisor ]
#  IOKIT_RELEASE =  [ IOKIT_BASE ]
#  IOKIT_DEV =      [ IOKIT_BASE iotracking ]
#  IOKIT_DEBUG =    [ IOKIT_BASE iotracking ]
#  LIBKERN_BASE =   [ libkerncpp config_blocks config_kec_fips crypto_sha2 config_img4 ]
#  LIBKERN_RELEASE =[ LIBKERN_BASE zlib ]
#  LIBKERN_DEV =    [ LIBKERN_BASE zlib iotracking ]
#  LIBKERN_DEBUG =  [ LIBKERN_BASE zlib iotracking ]
#  PERF_DBG_BASE =  [ config_dtrace mach_kdp config_serial_kdp kdp_interactive_debugging config_kdp_coredump_encryption kperf kpc zleaks MONOTONIC_BASE ]
#  PERF_DBG_RELEASE=[ PERF_DBG_BASE ]
#  PERF_DBG_DEV    =[ PERF_DBG_BASE lock_stats ]
#  PERF_DBG_DEBUG = [ PERF_DBG_BASE lock_stats ]
#  MACH_BASE =      [ mach config_kext_basement mdebug ipc_debug ipc_lockfree_space config_mca config_vmx config_mtrr config_lapic config_telemetry importance_inheritance config_atm config_coalitions hypervisor config_iosched config_sysdiagnose config_mach_bridge_send_time copyout_shim phys_write_acct config_user_notification ]
#  MACH_RELEASE =   [ MACH_BASE ]
#  MACH_DEV =       [ MACH_BASE task_zone_info importance_trace config_ledger_interval_max ]
#  MACH_DEBUG =     [ MACH_BASE task_zone_info importance_trace config_ledger_interval_max importance_debug ]
#  SCHED_BASE =     [ config_sched_traditional config_sched_multiq config_sched_sfi ]
#  SCHED_RELEASE =  [ SCHED_BASE ]
#  SCHED_DEV =      [ SCHED_BASE ]
#  SCHED_DEBUG =    [ SCHED_BASE config_sched_grrr config_sched_proto ]
#  VM_BASE =        [ vm_pressure_events memorystatus dynamic_codesigning config_code_decryption encrypted_swap config_background_queue ]
#  VM_DEBUG =       [ VM_BASE config_gzalloc ]
#  VM_DEV =         [ VM_BASE config_gzalloc ]
#  VM_RELEASE =     [ VM_BASE config_gzalloc ]
#  VM_KASAN =       [ VM_BASE config_kasan config_ubsan config_kcov config_ksancov ]
#  SECURITY =       [ config_macf config_audit config_csr config_arcade config_setuid config_kas_info ]
#  BASE =           [ PF VPN SECURITY NFS ]
#  RELEASE =        [ BASE KERNEL_RELEASE BSD_RELEASE FILESYS_RELEASE SKYWALK_RELEASE NETWORKING_RELEASE IOKIT_RELEASE LIBKERN_RELEASE    PERF_DBG_RELEASE MACH_RELEASE SCHED_RELEASE VM_RELEASE ]
#  DEVELOPMENT =    [ BASE KERNEL_DEV     BSD_DEV     FILESYS_DEV     SKYWALK_DEV     NETWORKING_DEV     IOKIT_DEV     LIBKERN_DEV        PERF_DBG_DEV     MACH_DEV     SCHED_DEV     VM_DEV     ]
#  DEBUG =          [ BASE KERNEL_DEBUG   BSD_DEBUG   FILESYS_DEBUG   SKYWALK_DEBUG   NETWORKING_DEBUG   IOKIT_DEBUG   LIBKERN_DEBUG      PERF_DBG_DEBUG   MACH_DEBUG   SCHED_DEBUG   VM_DEBUG   ]
#  KASAN =          [ BASE KERNEL_DEV     BSD_DEV     FILESYS_DEV     SKYWALK_DEV     NETWORKING_DEV     IOKIT_DEV     LIBKERN_DEV        PERF_DBG_DEV     MACH_DEV     SCHED_DEV     VM_KASAN   ]
#
######################################################################
#
machine		"x86_64"						# <intel>

makeoptions	OSFMK_MACHINE = "x86_64"				# <mach>

options		PAL_I386

options	    CONFIG_MCA			    # Machine Check Architecture	# <config_mca>
options	    CONFIG_VMX			    # Virtual Machine Extensions	# <config_vmx>
options	    CONFIG_MTRR			    # Memory Type Range Registers	# <config_mtrr>
options     CONFIG_MACF_LAZY_VNODE_LABELS   # Turn on labels, don't preallocate

options     NO_NESTED_PMAP                  # <no_nested_pmap>

options		HYPERVISOR				# Apple hypervisor kext support	# <hypervisor>

options     CONFIG_MACH_APPROXIMATE_TIME