2 # GENERIC -- Generic kernel configuration file for FreeBSD/RISC-V
4 # For more information on this file, please read the config(5) manual page,
5 # and/or the handbook section on Kernel Configuration Files:
7 # https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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
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
24 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
25 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
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 ROUTE_MPATH # Multipath routing support
35 options TCP_OFFLOAD # TCP offload
36 options SCTP_SUPPORT # Allow kldload of SCTP
37 options FFS # Berkeley Fast Filesystem
38 options SOFTUPDATES # Enable FFS soft updates support
39 options UFS_ACL # Support for access control lists
40 options UFS_DIRHASH # Improve performance on big directories
41 options UFS_GJOURNAL # Enable gjournal-based UFS journaling
42 options QUOTA # Enable disk quotas for UFS
43 options NFSCL # Network Filesystem Client
44 options NFSD # Network Filesystem Server
45 options NFSLOCKD # Network Lock Manager
46 options NFS_ROOT # NFS usable as /, requires NFSCL
47 options MSDOSFS # MSDOS Filesystem
48 options CD9660 # ISO 9660 Filesystem
49 options PROCFS # Process filesystem (requires PSEUDOFS)
50 options PSEUDOFS # Pseudo-filesystem framework
51 options TMPFS # Efficient memory filesystem
52 options GEOM_PART_GPT # GUID Partition Tables.
53 options GEOM_RAID # Soft RAID functionality.
54 options GEOM_LABEL # Provides labelization
55 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
56 options KTRACE # ktrace(1) support
57 options STACK # stack(9) support
58 options SYSVSHM # SYSV-style shared memory
59 options SYSVMSG # SYSV-style message queues
60 options SYSVSEM # SYSV-style semaphores
61 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
62 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
63 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
64 # options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
65 options AUDIT # Security event auditing
66 options CAPABILITY_MODE # Capsicum capability mode
67 options CAPABILITIES # Capsicum capabilities
68 options MAC # TrustedBSD MAC Framework
69 options KDTRACE_FRAME # Ensure frames are compiled in
70 options KDTRACE_HOOKS # Kernel DTrace hooks
71 options DDB_CTF # Kernel ELF linker loads CTF data
72 options FPE # Floating-point extension support
73 options RACCT # Resource accounting framework
74 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
75 options RCTL # Resource limits
82 # EXT_RESOURCES pseudo devices
93 device virtio # Generic VirtIO bus (required)
94 device virtio_pci # VirtIO PCI device
95 device vtnet # VirtIO Ethernet device
96 device virtio_blk # VirtIO Block device
97 device virtio_mmio # VirtIO MMIO bus
101 # device dtrace_profile
104 # device dtrace_systrace
105 # device dtrace_prototype
109 device uart # Generic UART driver
110 device uart_lowrisc # lowRISC UART driver
111 device uart_ns8250 # ns8250-type UART driver
114 device goldfish_rtc # QEMU RTC
117 device cgem # Cadence GEM Gigabit Ethernet device
118 device miibus # MII bus support
119 device xae # Xilinx AXI Ethernet MAC
122 device xdma # DMA interface
123 device axidma # Xilinx AXI DMA Controller
125 # Uncomment for memory disk
127 # options MD_ROOT_SIZE=32768 # 32MB ram disk
128 # makeoptions MFS_IMAGE=/path/to/img
129 # options ROOTDEVNAME=\"ufs:/dev/md0\"
131 # Uncomment for virtio block device
132 # options ROOTDEVNAME=\"ufs:/dev/vtbd0\"
134 # Debugging support. Always need this:
135 options KDB # Enable kernel debugger support.
136 options KDB_TRACE # Print a stack trace for a panic.
137 # For full debugger support use (turn off in stable branch):
138 options DDB # Support DDB.
139 # options GDB # Support remote GDB.
140 options DEADLKRES # Enable the deadlock resolver
141 options INVARIANTS # Enable calls of extra sanity checking
142 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
143 options WITNESS # Enable checks to detect deadlocks and cycles
144 options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
145 options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
146 # options EARLY_PRINTF
147 options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default
149 # Kernel dump features.
150 options ZSTDIO # zstd-compressed kernel and user dumps
153 device crypto # core crypto support
154 device loop # Network loopback
155 device ether # Ethernet support
156 device vlan # 802.1Q VLAN support
157 device tuntap # Packet tunnel.
158 device md # Memory "disks"
159 device gif # IPv6 and IPv4 tunneling
160 device firmware # firmware assist module
162 # The `bpf' device enables the Berkeley Packet Filter.
163 # Be aware of the administrative consequences of enabling this!
164 # Note that 'bpf' is required for DHCP.
165 device bpf # Berkeley packet filter
167 # Flattened Device Tree
169 makeoptions MODULES_EXTRA+="dtb/sifive"
171 # SiFive device drivers
173 include "../sifive/std.sifive"