diff --git a/sys/arm/conf/DEFAULTS b/sys/arm/conf/DEFAULTS
index e5533850aa36..4eeb2b7090d2 100644
--- a/sys/arm/conf/DEFAULTS
+++ b/sys/arm/conf/DEFAULTS
@@ -1,10 +1,10 @@
 #
 # DEFAULTS -- Default kernel configuration file for FreeBSD/arm
 #
 # $FreeBSD$
 
 device		mem
 
 # Default congestion control algorithm
 options 	CC_CUBIC		# include CUBIC congestion control
-
+options 	INTRNG			# All arm systems use INTRNG these days
diff --git a/sys/arm/conf/std.armv6 b/sys/arm/conf/std.armv6
index 4826980da480..17087f30f4f1 100644
--- a/sys/arm/conf/std.armv6
+++ b/sys/arm/conf/std.armv6
@@ -1,89 +1,88 @@
 # Standard kernel config items for all ARMv6 systems.
 #
 # $FreeBSD$
 
 options 	HZ=1000
-options 	INTRNG			# All arm systems use INTRNG these days
 options 	PREEMPTION		# Enable kernel thread preemption
 options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	CC_CUBIC		# include CUBIC congestion control
 options 	TCP_HHOOK		# hhook(9) framework for TCP
 device		crypto			# core crypto support
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
 options 	SCTP_SUPPORT		# Allow kldload of SCTP
 options 	FFS			# Berkeley Fast Filesystem
 options 	SOFTUPDATES		# Enable FFS soft updates support
 options 	UFS_ACL			# Support for access control lists
 options 	UFS_DIRHASH		# Improve performance on big directories
 options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
 options 	QUOTA			# Enable disk quotas for UFS
 options 	NFSCL			# Network Filesystem Client
 options 	NFSLOCKD		# Network Lock Manager
 options 	NFS_ROOT		# NFS usable as /, requires NFSCL
 options 	MSDOSFS			# MSDOS Filesystem
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
 options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_PART_GPT		# GUID Partition Tables
 options 	GEOM_PART_BSD		# BSD partition scheme
 options 	GEOM_PART_MBR		# MBR partition scheme
 options 	GEOM_LABEL		# Provides labelization
 options 	COMPAT_43		# Compatible with BSD 4.3 [KEEP THIS!]
 options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
 options 	KTRACE			# ktrace(1) support
 options 	STACK			# stack(9) support
 options 	SYSVSHM			# SYSV-style shared memory
 options 	SYSVMSG			# SYSV-style message queues
 options 	SYSVSEM			# SYSV-style semaphores
 options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
 options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
 options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
 options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
 options 	CAPABILITY_MODE		# Capsicum capability mode
 options 	CAPABILITIES		# Capsicum capabilites
 options 	FREEBSD_BOOT_LOADER	# Process metadata passed from loader(8)
 options 	VFP			# Enable floating point hardware support
 options 	MAC			# Support for Mandatory Access Control (MAC)
 
 options 	COMPAT_FREEBSD10	# Compatible with FreeBSD10
 options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11
 options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
 options 	COMPAT_FREEBSD13	# Compatible with FreeBSD13
 
 # DTrace support
 options 	KDTRACE_HOOKS		# Kernel DTrace hooks
 options 	DDB_CTF			# all architectures - kernel ELF linker loads CTF data
 makeoptions	WITH_CTF=1
 
 # Debugging support.  Always need this:
 makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
 options 	KDB			# Enable kernel debugger support.
 options 	KDB_TRACE		# Print a stack trace for a panic.
 
 # For full debugger support use (turn off in stable branch):
 options 	DDB			# Support DDB
 options 	GDB			# Support remote GDB
 #options 	DEADLKRES		# Enable the deadlock resolver
 options 	INVARIANTS		# Enable calls of extra sanity checking
 options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
 options 	WITNESS			# Enable checks to detect deadlocks and cycles
 options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
 options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
 options 	ALT_BREAK_TO_DEBUGGER	# Enter debugger on keyboard escape sequence
 options 	USB_DEBUG		# Enable usb debug support code
 options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
 
 # Optional extras, never enabled by default:
 #options 	BOOTVERBOSE
 #options 	DEBUG			# May result in extreme spewage
 #options 	KTR
 #options 	KTR_COMPILE=KTR_ALL
 #options 	KTR_ENTRIES=16384
 #options 	KTR_MASK=(KTR_SPARE2)
 #options 	KTR_VERBOSE=0
 #options 	USB_REQ_DEBUG
 #options 	USB_VERBOSE
 
diff --git a/sys/arm/conf/std.armv7 b/sys/arm/conf/std.armv7
index 9412a8e92855..8ace5c01eeab 100644
--- a/sys/arm/conf/std.armv7
+++ b/sys/arm/conf/std.armv7
@@ -1,94 +1,93 @@
 # Standard kernel config items for all ARMv7 systems.
 #
 # $FreeBSD$
 
 options 	HZ=1000
-options 	INTRNG			# All arm systems use INTRNG these days
 options 	PREEMPTION		# Enable kernel thread preemption
 options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	CC_CUBIC		# include CUBIC congestion control
 options 	TCP_HHOOK		# hhook(9) framework for TCP
 device		crypto			# core crypto support
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
 options 	SCTP_SUPPORT		# Allow kldload of SCTP
 options 	FFS			# Berkeley Fast Filesystem
 options 	SOFTUPDATES		# Enable FFS soft updates support
 options 	UFS_ACL			# Support for access control lists
 options 	UFS_DIRHASH		# Improve performance on big directories
 options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
 options 	QUOTA			# Enable disk quotas for UFS
 options 	NFSCL			# Network Filesystem Client
 options 	NFSLOCKD		# Network Lock Manager
 options 	NFS_ROOT		# NFS usable as /, requires NFSCL
 options 	MSDOSFS			# MSDOS Filesystem
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
 options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_PART_GPT		# GUID Partition Tables
 options 	GEOM_PART_BSD		# BSD partition scheme
 options 	GEOM_PART_MBR		# MBR partition scheme
 options 	GEOM_LABEL		# Provides labelization
 options 	COMPAT_43		# Compatible with BSD 4.3 [KEEP THIS!]
 options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
 options 	KTRACE			# ktrace(1) support
 options 	STACK			# stack(9) support
 options 	SYSVSHM			# SYSV-style shared memory
 options 	SYSVMSG			# SYSV-style message queues
 options 	SYSVSEM			# SYSV-style semaphores
 options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
 options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
 options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
 options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
 options 	CAPABILITY_MODE		# Capsicum capability mode
 options 	CAPABILITIES		# Capsicum capabilites
 options 	FREEBSD_BOOT_LOADER	# Process metadata passed from loader(8)
 options 	VFP			# Enable floating point hardware support
 options 	MAC			# Support for Mandatory Access Control (MAC)
 
 options 	COMPAT_FREEBSD10	# Compatible with FreeBSD10
 options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11
 options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
 options 	COMPAT_FREEBSD13	# Compatible with FreeBSD13
 
 # DTrace support
 options 	KDTRACE_HOOKS		# Kernel DTrace hooks
 options 	DDB_CTF			# all architectures - kernel ELF linker loads CTF data
 makeoptions	WITH_CTF=1
 
 # Debugging support.  Always need this:
 makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
 options 	KDB			# Enable kernel debugger support.
 options 	KDB_TRACE		# Print a stack trace for a panic.
 
 # For full debugger support use (turn off in stable branch):
 options 	DDB			# Support DDB
 options 	GDB			# Support remote GDB
 #options 	DEADLKRES		# Enable the deadlock resolver
 options 	INVARIANTS		# Enable calls of extra sanity checking
 options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
 options 	WITNESS			# Enable checks to detect deadlocks and cycles
 options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
 options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
 options 	ALT_BREAK_TO_DEBUGGER	# Enter debugger on keyboard escape sequence
 options 	USB_DEBUG		# Enable usb debug support code
 options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
 
 # Optional extras, never enabled by default:
 #options 	BOOTVERBOSE
 #options 	DEBUG			# May result in extreme spewage
 #options 	KTR
 #options 	KTR_COMPILE=KTR_ALL
 #options 	KTR_ENTRIES=16384
 #options 	KTR_MASK=(KTR_SPARE2)
 #options 	KTR_VERBOSE=0
 #options 	USB_REQ_DEBUG
 #options 	USB_VERBOSE
 
 # Enable support for the kernel PLL to use an external PPS signal,
 # under supervision of [x]ntpd(8)
 # More info in ntpd documentation: http://www.eecis.udel.edu/~ntp
 
 options 	PPS_SYNC
diff --git a/sys/arm64/conf/DEFAULTS b/sys/arm64/conf/DEFAULTS
index b0d2aa6c473b..db76185154e1 100644
--- a/sys/arm64/conf/DEFAULTS
+++ b/sys/arm64/conf/DEFAULTS
@@ -1,19 +1,20 @@
 #
 # DEFAULTS -- Default kernel configuration file for FreeBSD/arm64
 #
 # $FreeBSD$
 
 machine		arm64 aarch64
 
 # Pseudo devices.
 device		mem		# Memory and kernel memory devices
 
 # Default partitioning schemes
 options 	GEOM_PART_BSD
 options 	GEOM_PART_MBR
 options 	GEOM_PART_GPT
 
 # Default congestion control algorithm
 options 	CC_CUBIC		# include CUBIC congestion control
 
 options 	NEW_PCIB
+options 	INTRNG
diff --git a/sys/arm64/conf/std.arm64 b/sys/arm64/conf/std.arm64
index e24b7f417034..6480ca6530e4 100644
--- a/sys/arm64/conf/std.arm64
+++ b/sys/arm64/conf/std.arm64
@@ -1,108 +1,107 @@
 # Standard kernel config items for all ARM64 systems.
 #
 # $FreeBSD$
 
 makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
 makeoptions	WITH_CTF=1		# Run ctfconvert(1) for DTrace support
 
 options 	SCHED_ULE		# ULE scheduler
 options 	NUMA			# Non-Uniform Memory Architecture support
 options 	PREEMPTION		# Enable kernel thread preemption
 options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	CC_CUBIC		# include CUBIC congestion control
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
 options 	ROUTE_MPATH		# Multipath routing support
 options 	FIB_ALGO		# Modular fib lookups
 options 	TCP_OFFLOAD		# TCP offload
 options 	TCP_BLACKBOX		# Enhanced TCP event logging
 options 	TCP_HHOOK		# hhook(9) framework for TCP
 options 	TCP_RFC7413		# TCP Fast Open
 options 	SCTP_SUPPORT		# Allow kldload of SCTP
 options 	KERN_TLS		# TLS transmit & receive offload
 options 	FFS			# Berkeley Fast Filesystem
 options 	SOFTUPDATES		# Enable FFS soft updates support
 options 	UFS_ACL			# Support for access control lists
 options 	UFS_DIRHASH		# Improve performance on big directories
 options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
 options 	QUOTA			# Enable disk quotas for UFS
 options 	MD_ROOT			# MD is a potential root device
 options 	NFSCL			# Network Filesystem Client
 options 	NFSD			# Network Filesystem Server
 options 	NFSLOCKD		# Network Lock Manager
 options 	NFS_ROOT		# NFS usable as /, requires NFSCL
 options 	MSDOSFS			# MSDOS Filesystem
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
 options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_RAID		# Soft RAID functionality.
 options 	GEOM_LABEL		# Provides labelization
 options 	EFIRT			# EFI Runtime Services support
 options 	COMPAT_FREEBSD32	# Compatible with FreeBSD/arm
 options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11
 options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
 options 	COMPAT_FREEBSD13	# Compatible with FreeBSD13
 options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
 options 	KTRACE			# ktrace(1) support
 options 	STACK			# stack(9) support
 options 	SYSVSHM			# SYSV-style shared memory
 options 	SYSVMSG			# SYSV-style message queues
 options 	SYSVSEM			# SYSV-style semaphores
 options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
 options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
 options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
 options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
 options 	AUDIT			# Security event auditing
 options 	CAPABILITY_MODE		# Capsicum capability mode
 options 	CAPABILITIES		# Capsicum capabilities
 options 	MAC			# TrustedBSD MAC Framework
 options 	KDTRACE_FRAME		# Ensure frames are compiled in
 options 	KDTRACE_HOOKS		# Kernel DTrace hooks
 options 	DDB_CTF			# Kernel ELF linker loads CTF data
 options 	VFP			# Floating-point support
 options 	RACCT			# Resource accounting framework
 options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
 options 	RCTL			# Resource limits
-options 	INTRNG
 options 	LINUX_BOOT_ABI		# Boot using booti command from U-Boot
 options 	PERTHREAD_SSP		# Per-thread SSP canary
 
 # Debugging support.  Always need this:
 options 	KDB			# Enable kernel debugger support.
 options 	KDB_TRACE		# Print a stack trace for a panic.
 # For full debugger support use (turn off in stable branch):
 options 	DDB			# Support DDB.
 options 	GDB			# Support remote GDB.
 options 	DEADLKRES		# Enable the deadlock resolver
 options 	INVARIANTS		# Enable calls of extra sanity checking
 options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
 options 	WITNESS			# Enable checks to detect deadlocks and cycles
 options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
 options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
 options 	ALT_BREAK_TO_DEBUGGER	# Enter debugger on keyboard escape sequence
 options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
 
 # Kernel Sanitizers
 #options 	COVERAGE		# Generic kernel coverage. Used by KCOV
 #options 	KCOV			# Kernel Coverage Sanitizer
 # Warning: KUBSAN can result in a kernel too large for loader to load
 #options 	KUBSAN			# Kernel Undefined Behavior Sanitizer
 #options 	KCSAN			# Kernel Concurrency Sanitizer
 
 # Kernel dump features.
 options 	EKCD			# Support for encrypted kernel dumps
 options 	GZIO			# gzip-compressed kernel and user dumps
 options 	ZSTDIO			# zstd-compressed kernel and user dumps
 options 	DEBUGNET		# debugnet networking
 options 	NETDUMP			# netdump(4) client support
 
 # Make an SMP-capable kernel by default
 options 	SMP			# Symmetric MultiProcessor Kernel
 
 # Enable support for the kernel PLL to use an external PPS signal,
 # under supervision of [x]ntpd(8)
 # More info in ntpd documentation: http://www.eecis.udel.edu/~ntp
 
 options 	PPS_SYNC
diff --git a/sys/riscv/conf/DEFAULTS b/sys/riscv/conf/DEFAULTS
index ccc4eff8fcf0..363186d28904 100644
--- a/sys/riscv/conf/DEFAULTS
+++ b/sys/riscv/conf/DEFAULTS
@@ -1,19 +1,20 @@
 #
 # DEFAULTS -- Default kernel configuration file for FreeBSD/RISC-V
 #
 # $FreeBSD$
 
 machine		riscv	riscv64
 
 # Pseudo devices.
 device		mem		# Memory and kernel memory devices
 
 # Default partitioning schemes
 options 	GEOM_PART_BSD
 options 	GEOM_PART_MBR
 options 	GEOM_PART_GPT
 
 # Default congestion control algorithm
 options 	CC_CUBIC		# include CUBIC congestion control
 
 options 	NEW_PCIB
+options 	INTRNG
diff --git a/sys/riscv/conf/GENERIC b/sys/riscv/conf/GENERIC
index cf4460c7bf2e..2e35a49825d4 100644
--- a/sys/riscv/conf/GENERIC
+++ b/sys/riscv/conf/GENERIC
@@ -1,225 +1,224 @@
 #
 # GENERIC -- Generic kernel configuration file for FreeBSD/RISC-V
 #
 # For more information on this file, please read the config(5) manual page,
 # and/or the handbook section on Kernel Configuration Files:
 #
 #    https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config
 #
 # The handbook is also available locally in /usr/share/doc/handbook
 # if you've installed the doc distribution, otherwise always see the
 # FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the
 # latest information.
 #
 # An exhaustive list of options and more detailed explanations of the
 # device lines is also present in the ../../conf/NOTES and NOTES files.
 # If you are in doubt as to the purpose or necessity of a line, check first
 # in NOTES.
 #
 # $FreeBSD$
 
 cpu		RISCV
 ident		GENERIC
 
 makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
 makeoptions	WITH_CTF=1		# Run ctfconvert(1) for DTrace support
 
 options 	SCHED_ULE		# ULE scheduler
 options 	PREEMPTION		# Enable kernel thread preemption
 options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	TCP_HHOOK		# hhook(9) framework for TCP
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
 options		ROUTE_MPATH		# Multipath routing support
 options 	TCP_OFFLOAD		# TCP offload
 options 	TCP_BLACKBOX		# Enhanced TCP event logging
 options 	TCP_RFC7413		# TCP Fast Open
 options 	SCTP_SUPPORT		# Allow kldload of SCTP
 options 	FFS			# Berkeley Fast Filesystem
 options 	SOFTUPDATES		# Enable FFS soft updates support
 options 	UFS_ACL			# Support for access control lists
 options 	UFS_DIRHASH		# Improve performance on big directories
 options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
 options 	QUOTA			# Enable disk quotas for UFS
 options 	NFSCL			# Network Filesystem Client
 options 	NFSD			# Network Filesystem Server
 options 	NFSLOCKD		# Network Lock Manager
 options 	NFS_ROOT		# NFS usable as /, requires NFSCL
 options 	MSDOSFS			# MSDOS Filesystem
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
 options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_RAID		# Soft RAID functionality.
 options 	GEOM_LABEL		# Provides labelization
 options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
 options 	COMPAT_FREEBSD13	# Compatible with FreeBSD13
 options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
 options 	KTRACE			# ktrace(1) support
 options 	STACK			# stack(9) support
 options 	SYSVSHM			# SYSV-style shared memory
 options 	SYSVMSG			# SYSV-style message queues
 options 	SYSVSEM			# SYSV-style semaphores
 options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
 options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
 options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
 # options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
 options 	AUDIT			# Security event auditing
 options 	CAPABILITY_MODE		# Capsicum capability mode
 options 	CAPABILITIES		# Capsicum capabilities
 options 	MAC			# TrustedBSD MAC Framework
 options 	KDTRACE_FRAME		# Ensure frames are compiled in
 options 	KDTRACE_HOOKS		# Kernel DTrace hooks
 options 	DDB_CTF			# Kernel ELF linker loads CTF data
 options 	FPE			# Floating-point extension support
 options 	RACCT			# Resource accounting framework
 options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
 options 	RCTL			# Resource limits
 options 	SMP
-options 	INTRNG
 
 # RISC-V SBI console
 device		rcons
 
 # pseudo devices
 device		clk
 device		hwreset
 device		syscon
 device		syscon_power
 device		riscv_syscon
 
 # Bus drivers
 device		pci
 
 # Block devices
 device		scbus
 device		da
 
 # VirtIO support
 device		virtio			# Generic VirtIO bus (required)
 device		virtio_pci		# VirtIO PCI device
 device		vtnet			# VirtIO Ethernet device
 device		virtio_blk		# VirtIO Block device
 device		virtio_mmio		# VirtIO MMIO bus
 
 # NVM Express (NVMe) support
 device		nvme		# base NVMe driver
 options 	NVME_USE_NVD=0	# prefer the cam(4) based nda(4) driver
 device		nvd		# expose NVMe namespaces as disks, depends on nvme
 
 # USB support
 options 	USB_DEBUG		# enable debug msgs
 device		ohci			# OHCI USB interface
 device		uhci			# UHCI USB interface
 device		ehci			# EHCI USB interface (USB 2.0)
 device		xhci			# XHCI USB interface (USB 3.0)
 device		usb			# USB Bus (required)
 device		ukbd			# Keyboard
 device		umass			# Disks/Mass storage - Requires scbus and da
 
 # HID support
 options 	HID_DEBUG	# enable debug msgs
 device		hid		# Generic HID support
 
 # DTrace support
 # device	dtrace
 # device	dtrace_profile
 # device	dtrace_sdt
 # device	dtrace_fbt
 # device	dtrace_systrace
 # device	dtrace_prototype
 # device	dtraceall
 
 # Serial (COM) ports
 device		uart		# Generic UART driver
 device		uart_lowrisc	# lowRISC UART driver
 device		uart_ns8250	# ns8250-type UART driver
 
 # Console
 device		vt
 device		kbdmux
 
 # RTC
 device		da9063_rtc	# Dialog Semiconductor DA9063 RTC
 device		goldfish_rtc	# QEMU RTC
 
 # Ethernet drivers
 device		cgem		# Cadence GEM Gigabit Ethernet device
 device		miibus		# MII bus support
 device		xae		# Xilinx AXI Ethernet MAC
 
 # DMA support
 device		xdma		# DMA interface
 device		axidma		# Xilinx AXI DMA Controller
 
 # GPIO
 device		gpio
 
 # SPI
 device		spibus
 device		spigen
 
 # Power management controllers
 device		da9063_pmic	# Dialog Semiconductor DA9063 PMIC
 
 # Uncomment for memory disk
 # options 	MD_ROOT
 # options 	MD_ROOT_SIZE=32768	# 32MB ram disk
 # makeoptions	MFS_IMAGE=/path/to/img
 # options 	ROOTDEVNAME=\"ufs:/dev/md0\"
 
 # Uncomment for virtio block device
 # options 	ROOTDEVNAME=\"ufs:/dev/vtbd0\"
 
 # Debugging support.  Always need this:
 options 	KDB			# Enable kernel debugger support.
 options 	KDB_TRACE		# Print a stack trace for a panic.
 # For full debugger support use (turn off in stable branch):
 options 	DDB			# Support DDB.
 options 	GDB			# Support remote GDB.
 options 	DEADLKRES		# Enable the deadlock resolver
 options 	INVARIANTS		# Enable calls of extra sanity checking
 options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
 options 	WITNESS			# Enable checks to detect deadlocks and cycles
 options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
 options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
 options 	ALT_BREAK_TO_DEBUGGER	# Enter debugger on keyboard escape sequence
 # options 	EARLY_PRINTF
 options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
 
 # Kernel dump features.
 options		ZSTDIO			# zstd-compressed kernel and user dumps
 
 # Pseudo devices.
 device		crypto		# core crypto support
 device		loop		# Network loopback
 device		ether		# Ethernet support
 device		vlan		# 802.1Q VLAN support
 device		tuntap		# Packet tunnel.
 device		md		# Memory "disks"
 device		gif		# IPv6 and IPv4 tunneling
 device		firmware	# firmware assist module
 
 # The `bpf' device enables the Berkeley Packet Filter.
 # Be aware of the administrative consequences of enabling this!
 # Note that 'bpf' is required for DHCP.
 device		bpf		# Berkeley packet filter
 
 # Flattened Device Tree
 options 	FDT
 makeoptions	MODULES_EXTRA+="dtb/sifive"
 
 # I2C support
 device		iicbus		# Bus support, required for iicoc below.
 device		iicoc		# OpenCores I2C controller support
 
 # Allwinner device drivers
 device		aw_wdog		# Allwinner Watchdog
 files		"../allwinner/files.allwinner"
 
 # SiFive device drivers
 device		fu740_pci_dw
 device		sifive_gpio
 device		sifive_spi
 include		"../sifive/std.sifive"