xref: /freebsd/sys/riscv/conf/GENERIC (revision ab40f58ccfe6c07ebefddc72f4661a52fe746353)
1#
2# GENERIC -- Generic kernel configuration file for FreeBSD/RISC-V
3#
4# For more information on this file, please read the config(5) manual page,
5# and/or the handbook section on Kernel Configuration Files:
6#
7#    https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
8#
9# The handbook is also available locally in /usr/share/doc/handbook
10# if you've installed the doc distribution, otherwise always see the
11# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the
12# latest information.
13#
14# An exhaustive list of options and more detailed explanations of the
15# device lines is also present in the ../../conf/NOTES and NOTES files.
16# If you are in doubt as to the purpose or necessity of a line, check first
17# in NOTES.
18#
19# $FreeBSD$
20
21cpu		RISCV
22ident		GENERIC
23
24makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
25# makeoptions	WITH_CTF=1		# Run ctfconvert(1) for DTrace support
26
27# FIXME: linker error. "--relax and -r may not be used together"
28makeoptions	WITHOUT_MODULES="usb otusfw mwlfw ispfw mwlfw ralfw rtwnfw"
29# makeoptions	NO_MODULES
30
31options 	SCHED_ULE		# ULE scheduler
32options 	PREEMPTION		# Enable kernel thread preemption
33options 	VIMAGE			# Subsystem virtualization, e.g. VNET
34options 	INET			# InterNETworking
35options 	INET6			# IPv6 communications protocols
36options 	TCP_HHOOK		# hhook(9) framework for TCP
37options 	IPSEC			# IP (v4/v6) security
38options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
39options 	TCP_OFFLOAD		# TCP offload
40options 	SCTP			# Stream Control Transmission Protocol
41options 	FFS			# Berkeley Fast Filesystem
42options 	SOFTUPDATES		# Enable FFS soft updates support
43options 	UFS_ACL			# Support for access control lists
44options 	UFS_DIRHASH		# Improve performance on big directories
45options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
46options 	QUOTA			# Enable disk quotas for UFS
47options 	NFSCL			# Network Filesystem Client
48options 	NFSD			# Network Filesystem Server
49options 	NFSLOCKD		# Network Lock Manager
50options 	NFS_ROOT		# NFS usable as /, requires NFSCL
51options 	MSDOSFS			# MSDOS Filesystem
52options 	CD9660			# ISO 9660 Filesystem
53options 	PROCFS			# Process filesystem (requires PSEUDOFS)
54options 	PSEUDOFS		# Pseudo-filesystem framework
55options 	GEOM_PART_GPT		# GUID Partition Tables.
56# options 	GEOM_RAID		# Soft RAID functionality.
57options 	GEOM_LABEL		# Provides labelization
58options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
59options 	KTRACE			# ktrace(1) support
60# options 	STACK			# stack(9) support
61options 	SYSVSHM			# SYSV-style shared memory
62options 	SYSVMSG			# SYSV-style message queues
63options 	SYSVSEM			# SYSV-style semaphores
64options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
65options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
66options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
67# options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
68options 	AUDIT			# Security event auditing
69options 	CAPABILITY_MODE		# Capsicum capability mode
70options 	CAPABILITIES		# Capsicum capabilities
71options 	MAC			# TrustedBSD MAC Framework
72options 	KDTRACE_FRAME		# Ensure frames are compiled in
73options 	KDTRACE_HOOKS		# Kernel DTrace hooks
74options 	FPE			# Floating-point extension support
75options 	RACCT			# Resource accounting framework
76options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
77options 	RCTL			# Resource limits
78options 	SMP
79options 	INTRNG
80
81# RISC-V SBI console
82device		rcons
83
84# VirtIO support
85device		virtio			# Generic VirtIO bus (required)
86device		virtio_pci		# VirtIO PCI device
87device		vtnet			# VirtIO Ethernet device
88device		virtio_blk		# VirtIO Block device
89device		virtio_mmio		# VirtIO MMIO bus
90
91# Serial (COM) ports
92device		uart		# Generic UART driver
93device		uart_ns8250	# ns8250-type UART driver
94
95# Uncomment for memory disk
96# options 	MD_ROOT
97# options 	MD_ROOT_SIZE=32768	# 32MB ram disk
98# makeoptions	MFS_IMAGE=/path/to/img
99# options 	ROOTDEVNAME=\"ufs:/dev/md0\"
100
101# Uncomment for virtio block device
102# options 	ROOTDEVNAME=\"ufs:/dev/vtbd0\"
103
104# Debugging support.  Always need this:
105options 	KDB			# Enable kernel debugger support.
106options 	KDB_TRACE		# Print a stack trace for a panic.
107# For full debugger support use (turn off in stable branch):
108options 	DDB			# Support DDB.
109# options 	GDB			# Support remote GDB.
110options 	DEADLKRES		# Enable the deadlock resolver
111options 	INVARIANTS		# Enable calls of extra sanity checking
112options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
113# options 	WITNESS			# Enable checks to detect deadlocks and cycles
114# options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
115options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
116# options 	EARLY_PRINTF
117# options 	VERBOSE_SYSINIT
118
119# Pseudo devices.
120device		loop		# Network loopback
121device		random		# Entropy device
122device		ether		# Ethernet support
123device		vlan		# 802.1Q VLAN support
124device		tun		# Packet tunnel.
125device		md		# Memory "disks"
126device		gif		# IPv6 and IPv4 tunneling
127device		firmware	# firmware assist module
128
129# The `bpf' device enables the Berkeley Packet Filter.
130# Be aware of the administrative consequences of enabling this!
131# Note that 'bpf' is required for DHCP.
132device		bpf		# Berkeley packet filter
133
134options 	FDT
135