xref: /freebsd/sys/riscv/conf/GENERIC (revision e64080e79c53f2952c5a77c6402cd2473cd45d8c)

#
# 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://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# 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 	TCP_OFFLOAD		# TCP offload
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 	GEOM_PART_GPT		# GUID Partition Tables.
options 	GEOM_RAID		# Soft RAID functionality.
options 	GEOM_LABEL		# Provides labelization
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 	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

# Bus drivers
device		pci

# 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

# 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


# Ethernet drivers
device		miibus		# MII bus support
device		cgem		# Cadence Gigabit Ethernet MAC
device		xae		# Xilinx AXI Ethernet MAC

# DMA support
device		xdma		# DMA interface
device		axidma		# Xilinx AXI DMA Controller

# 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 	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

options 	FDT