xref: /src/sys/arch/riscv/conf/GENERIC.common

#
#	$NetBSD: GENERIC.common,v 1.22 2025/04/01 20:16:57 nia Exp $
#
#	GENERIC common RISC-V kernel config items shared between 32 and 64
#	kernels
#

maxusers 	64		# estimated number of users

options 	FDT
options 	MULTIPROCESSOR

# Standard system options
options 	FPE		# Floating-point extension support
options 	NTP		# NTP phase/frequency locked loop

options 	KTRACE		# system call tracing via ktrace(1)

# Heartbeat checks
options 	HEARTBEAT
options 	HEARTBEAT_MAX_PERIOD_DEFAULT=15

# Note: SysV IPC parameters could be changed dynamically, see sysctl(8).
options 	SYSVMSG		# System V-like message queues
options 	SYSVSEM		# System V-like semaphores
options 	SYSVSHM		# System V-like memory sharing

options 	MODULAR		# new style module(7) framework
options 	MODULAR_DEFAULT_AUTOLOAD
options 	USERCONF	# userconf(4) support
#options 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel

# Alternate buffer queue strategies for better responsiveness under high
# disk I/O load.
#options 	BUFQ_READPRIO
options 	BUFQ_PRIOCSCAN

# These options enable verbose messages for several subsystems.
# Warning, these may compile large string tables into the kernel!
#options 	USBVERBOSE	# verbose USB device autoconfig messages

#
# Because gcc omits the frame pointer for any -O level, the line below
# is needed to make backtraces in DDB work.
#
makeoptions 	COPTS="-O2 -fno-omit-frame-pointer"
makeoptions 	COPY_SYMTAB=1
options 	DDB		# in-kernel debugger
#options 	DDB_COMMANDONENTER="bt"	# execute command when ddb is entered
options 	DDB_ONPANIC=1	# see also sysctl(7): `ddb.onpanic'
options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
#options 	KGDB		# remote debugger
#options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
#options 	SYSCALL_STATS	# per syscall counts
#options 	SYSCALL_TIMES	# per syscall times
#options 	SYSCALL_TIMES_HASCOUNTER	# use 'broken' rdtsc (soekris)

# Compatibility options
include 	"conf/compat_netbsd100.config"

# Wedge support
options 	DKWEDGE_AUTODISCOVER	# Automatically add dk(4) instances
options 	DKWEDGE_METHOD_GPT	# Supports GPT partitions as wedges
options 	DKWEDGE_METHOD_BSDLABEL	# Support disklabel entries as wedges
options 	DKWEDGE_METHOD_MBR	# Support MBR partitions as wedges
options 	DKWEDGE_METHOD_APPLE    # Support Apple partitions as wedges
#options 	DKWEDGE_METHOD_RDB	# Support RDB partitions as wedges
#options 	DKWEDGE_METHOD_TOS	# Support Atari "TOS" partitions as wedges

include 	"conf/filesystems.config"

# File system options
options 	FFS_EI		# FFS Endian Independent support
#options 	FFS_NO_SNAPSHOT	# No FFS snapshot support
options 	QUOTA		# legacy UFS quotas
options 	QUOTA2		# new, in-filesystem UFS quotas
#options 	UFS_DIRHASH	# UFS Large Directory Hashing
options 	WAPBL		# File system journaling support
#options 	DISKLABEL_EI	# disklabel Endian Independent support
options 	NFSSERVER	# Network File System server
options 	NFS_BOOT_DHCP	# Support DHCP NFS root

# Networking options
#options 	GATEWAY		# packet forwarding
options 	INET		# IP + ICMP + TCP + UDP
options 	INET6		# IPV6
options 	IPSEC		# IP security
#options 	IPSEC_DEBUG	# debug for IP security
#options 	MPLS		# MultiProtocol Label Switching (needs mpls)
#options 	MROUTING	# IP multicast routing
#options 	PIM		# Protocol Independent Multicast
#options 	NETATALK	# AppleTalk networking protocols
#options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
#options 	PPP_DEFLATE	# Deflate compression support for PPP
#options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG

#options 	ALTQ		# Manipulate network interfaces' output queues
#options 	ALTQ_BLUE	# Stochastic Fair Blue
#options 	ALTQ_CBQ	# Class-Based Queueing
#options 	ALTQ_CDNR	# Diffserv Traffic Conditioner
#options 	ALTQ_FIFOQ	# First-In First-Out Queue
#options 	ALTQ_FLOWVALVE	# RED/flow-valve (red-penalty-box)
#options 	ALTQ_HFSC	# Hierarchical Fair Service Curve
#options 	ALTQ_LOCALQ	# Local queueing discipline
#options 	ALTQ_PRIQ	# Priority Queueing
#options 	ALTQ_RED	# Random Early Detection
#options 	ALTQ_RIO	# RED with IN/OUT
#options 	ALTQ_WFQ	# Weighted Fair Queueing

# These options enable verbose messages for several subsystems.
# Warning, these may compile large string tables into the kernel!

# Kernel root file system and dump configuration.
config 		netbsd	root on ? type ?

#
# Device configuration
#

mainbus0 	at root
simplebus* 	at fdt? pass 0

# CPUs
cpus* 		at fdt? pass 0
cpu* 		at fdt? pass 0

intc* 		at cpu? pass 1

# Fixed Clocks
fclock* 	at fdt? pass 1

# System Controller
syscon* 	at fdt? pass 1		# Generic System Controller

# Core-level Interrupt Control block
#clint0		at fdt? pass 2

# Platform-Level Interrupt Controller
plic* 		at fdt? pass 2

# UART
com* 		at fdt?			# UART

# Firmware devices
qemufwcfg* 	at fdt?			# QEMU Firmware Configuration device

# RTC devices
gfrtc* 		at fdt?			# Google Goldfish RTC

# PCIE
pcihost* 	at fdt?			# Generic PCI host controller
pci* 		at pcibus?
ppb* 		at pci? dev ? function ?
pci* 		at ppb?

# USB
xhci* 		at fdt?			# XHCI
xhci*		at pci?			# XHCI
usb* 		at usbus?
include "dev/usb/usbdevices.config"
midi*		at midibus?
pseudo-device 	sequencer		# MIDI sequencer

# NVMe
nvme* 		at pci? dev ? function ?
ld* 		at nvme? nsid ?

# Audio
audio*		at audiobus?
auich*		at pci? dev ? function ?	# Intel AC'97 Audio (QEMU)
eap*		at pci? dev ? function ?	# Ensoniq AudioPCI (QEMU)

# I2C controllers
dwiic* 		at fdt?			# Designware I2C
iic* 		at i2cbus?

# I2C devices
#axppmic* 	at iic?			# X-Powers AXP Power Management IC
#axpreg* 	at axppmic?

# Virtio devices
virtio* 	at fdt?			# Virtio MMIO device

include "dev/virtio/virtio.config"
no vio9p* 	at virtio?		# XXX ?
no viomb* 	at virtio?		# XXX ?
no vioscsi* 	at virtio?		# XXX ?

# Pseudo-Devices
# network pseudo-devices
pseudo-device 	bpfilter		# Berkeley packet filter
pseudo-device 	bridge			# simple inter-network bridging
pseudo-device 	carp			# Common Address Redundancy Protocol
pseudo-device 	gif			# IPv[46] over IPv[46] tunnel (RFC 1933)
pseudo-device 	gre			# generic L3 over IP tunnel
pseudo-device 	ipsecif			# interface for routing-based ipsec
pseudo-device 	loop			# network loopback
pseudo-device 	npf			# NPF packet filter
pseudo-device 	ppp			# Point-to-Point Protocol
pseudo-device 	pppoe			# PPP over Ethernet (RFC 2516)
pseudo-device 	swcrypto		# software crypto implementation
pseudo-device 	tun			# network tunneling over tty
pseudo-device 	tap			# virtual Ethernet
pseudo-device 	vether			# Virtual Ethernet for bridge
pseudo-device 	vlan			# IEEE 802.1q encapsulation

# miscellaneous pseudo-devices
pseudo-device 	clockctl		# user control of clock subsystem
pseudo-device 	crypto			# /dev/crypto device
pseudo-device 	lockstat		# lock profiling
pseudo-device 	ksyms			# /dev/ksyms
pseudo-device 	openfirm		# /dev/openfirm
pseudo-device 	pad			# pseudo audio device
pseudo-device 	pty			# pseudo-terminals
#options 	RND_COM
pseudo-device 	swwdog			# software watchdog timer -- swwdog(4)


# disk/mass storage pseudo-devices
#pseudo-device 	md			# memory disk device (ramdisk)
#options 	MEMORY_DISK_HOOKS	# enable root ramdisk
#options 	MEMORY_DISK_DYNAMIC	# loaded via kernel module(7)

pseudo-device	vnd			# disk-like interface to files
options 	VND_COMPRESSION		# compressed vnd(4)

# userland interface to drivers, including autoconf and properties retrieval
pseudo-device 	drvctl

options 	PAX_MPROTECT=0		# PaX mprotect(2) restrictions
options 	PAX_ASLR=0		# PaX Address Space Layout Randomization

# Pull in optional local configuration - always at end
cinclude 	"arch/riscv/conf/GENERIC.local"