xref: /freebsd/sys/riscv/conf/GENERIC (revision 64c2a712d661db9be31f02fe97c3b59710290ae3)
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://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config
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 
21 cpu		RISCV
22 ident		GENERIC
23 
24 makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
25 makeoptions	WITH_CTF=1		# Run ctfconvert(1) for DTrace support
26 
27 options 	SCHED_ULE		# ULE scheduler
28 options 	PREEMPTION		# Enable kernel thread preemption
29 options 	VIMAGE			# Subsystem virtualization, e.g. VNET
30 options 	INET			# InterNETworking
31 options 	INET6			# IPv6 communications protocols
32 options 	TCP_HHOOK		# hhook(9) framework for TCP
33 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
34 options 	NETLINK			# netlink(4) support
35 options 	ROUTE_MPATH		# Multipath routing support
36 options 	TCP_OFFLOAD		# TCP offload
37 options 	TCP_BLACKBOX		# Enhanced TCP event logging
38 options 	TCP_RFC7413		# TCP Fast Open
39 options 	SCTP_SUPPORT		# Allow kldload of SCTP
40 options 	FFS			# Berkeley Fast Filesystem
41 options 	SOFTUPDATES		# Enable FFS soft updates support
42 options 	UFS_ACL			# Support for access control lists
43 options 	UFS_DIRHASH		# Improve performance on big directories
44 options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
45 options 	QUOTA			# Enable disk quotas for UFS
46 options 	NFSCL			# Network Filesystem Client
47 options 	NFSD			# Network Filesystem Server
48 options 	NFSLOCKD		# Network Lock Manager
49 options 	NFS_ROOT		# NFS usable as /, requires NFSCL
50 options 	MSDOSFS			# MSDOS Filesystem
51 options 	CD9660			# ISO 9660 Filesystem
52 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
53 options 	PSEUDOFS		# Pseudo-filesystem framework
54 options 	TMPFS			# Efficient memory filesystem
55 options 	GEOM_RAID		# Soft RAID functionality.
56 options 	GEOM_LABEL		# Provides labelization
57 options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
58 options 	COMPAT_FREEBSD13	# Compatible with FreeBSD13
59 options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
60 options 	KTRACE			# ktrace(1) support
61 options 	STACK			# stack(9) support
62 options 	SYSVSHM			# SYSV-style shared memory
63 options 	SYSVMSG			# SYSV-style message queues
64 options 	SYSVSEM			# SYSV-style semaphores
65 options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
66 options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
67 options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
68 # options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
69 options 	AUDIT			# Security event auditing
70 options 	CAPABILITY_MODE		# Capsicum capability mode
71 options 	CAPABILITIES		# Capsicum capabilities
72 options 	MAC			# TrustedBSD MAC Framework
73 options 	KDTRACE_FRAME		# Ensure frames are compiled in
74 options 	KDTRACE_HOOKS		# Kernel DTrace hooks
75 options 	DDB_CTF			# Kernel ELF linker loads CTF data
76 options 	FPE			# Floating-point extension support
77 options 	RACCT			# Resource accounting framework
78 options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
79 options 	RCTL			# Resource limits
80 options 	SMP
81 
82 # RISC-V SBI console
83 device		rcons
84 
85 # pseudo devices
86 device		clk
87 device		hwreset
88 device		syscon
89 device		syscon_power
90 device		riscv_syscon
91 
92 # Bus drivers
93 device		pci
94 
95 # Block devices
96 device		scbus
97 device		da
98 
99 # VirtIO support
100 device		virtio			# Generic VirtIO bus (required)
101 device		virtio_pci		# VirtIO PCI device
102 device		vtnet			# VirtIO Ethernet device
103 device		virtio_blk		# VirtIO Block device
104 device		virtio_mmio		# VirtIO MMIO bus
105 
106 # NVM Express (NVMe) support
107 device		nvme		# base NVMe driver
108 options 	NVME_USE_NVD=0	# prefer the cam(4) based nda(4) driver
109 device		nvd		# expose NVMe namespaces as disks, depends on nvme
110 
111 # USB support
112 options 	USB_DEBUG		# enable debug msgs
113 device		ohci			# OHCI USB interface
114 device		uhci			# UHCI USB interface
115 device		ehci			# EHCI USB interface (USB 2.0)
116 device		xhci			# XHCI USB interface (USB 3.0)
117 device		usb			# USB Bus (required)
118 device		ukbd			# Keyboard
119 device		umass			# Disks/Mass storage - Requires scbus and da
120 
121 # HID support
122 options 	HID_DEBUG	# enable debug msgs
123 device		hid		# Generic HID support
124 
125 # DTrace support
126 # device	dtrace
127 # device	dtrace_profile
128 # device	dtrace_sdt
129 # device	dtrace_fbt
130 # device	dtrace_systrace
131 # device	dtrace_prototype
132 # device	dtraceall
133 
134 # Serial (COM) ports
135 device		uart		# Generic UART driver
136 device		uart_lowrisc	# lowRISC UART driver
137 device		uart_ns8250	# ns8250-type UART driver
138 
139 # Console
140 device		vt
141 device		kbdmux
142 
143 # RTC
144 device		da9063_rtc	# Dialog Semiconductor DA9063 RTC
145 device		goldfish_rtc	# QEMU RTC
146 
147 # Ethernet drivers
148 device		cgem		# Cadence GEM Gigabit Ethernet device
149 device		miibus		# MII bus support
150 device		xae		# Xilinx AXI Ethernet MAC
151 
152 # DMA support
153 device		xdma		# DMA interface
154 device		axidma		# Xilinx AXI DMA Controller
155 
156 # GPIO
157 device		gpio
158 
159 # SPI
160 device		spibus
161 device		spigen
162 
163 # Power management controllers
164 device		da9063_pmic	# Dialog Semiconductor DA9063 PMIC
165 
166 # Uncomment for memory disk
167 # options 	MD_ROOT
168 # options 	MD_ROOT_SIZE=32768	# 32MB ram disk
169 # makeoptions	MFS_IMAGE=/path/to/img
170 # options 	ROOTDEVNAME=\"ufs:/dev/md0\"
171 
172 # Uncomment for virtio block device
173 # options 	ROOTDEVNAME=\"ufs:/dev/vtbd0\"
174 
175 # Debugging support.  Always need this:
176 options 	KDB			# Enable kernel debugger support.
177 options 	KDB_TRACE		# Print a stack trace for a panic.
178 # For full debugger support use (turn off in stable branch):
179 options 	DDB			# Support DDB.
180 options 	GDB			# Support remote GDB.
181 options 	DEADLKRES		# Enable the deadlock resolver
182 options 	INVARIANTS		# Enable calls of extra sanity checking
183 options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
184 options 	WITNESS			# Enable checks to detect deadlocks and cycles
185 options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
186 options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
187 options 	ALT_BREAK_TO_DEBUGGER	# Enter debugger on keyboard escape sequence
188 # options 	EARLY_PRINTF
189 options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
190 
191 # Kernel dump features.
192 options 	ZSTDIO			# zstd-compressed kernel and user dumps
193 
194 # Pseudo devices.
195 device		crypto		# core crypto support
196 device		loop		# Network loopback
197 device		ether		# Ethernet support
198 device		vlan		# 802.1Q VLAN support
199 device		tuntap		# Packet tunnel.
200 device		md		# Memory "disks"
201 device		gif		# IPv6 and IPv4 tunneling
202 device		firmware	# firmware assist module
203 
204 # The `bpf' device enables the Berkeley Packet Filter.
205 # Be aware of the administrative consequences of enabling this!
206 # Note that 'bpf' is required for DHCP.
207 device		bpf		# Berkeley packet filter
208 
209 # Flattened Device Tree
210 options 	FDT
211 makeoptions	MODULES_EXTRA+="dtb/sifive"
212 
213 # I2C support
214 device		iicbus		# Bus support, required for iicoc below.
215 device		iicoc		# OpenCores I2C controller support
216 
217 # Allwinner device drivers
218 device		aw_wdog		# Allwinner Watchdog
219 files		"../allwinner/files.allwinner"
220 
221 # SiFive device drivers
222 device		fu740_pci_dw
223 device		sifive_gpio
224 device		sifive_spi
225 include		"../sifive/std.sifive"
226