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 20cpu RISCV 21ident GENERIC 22 23makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 24makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 25 26options SCHED_ULE # ULE scheduler 27options PREEMPTION # Enable kernel thread preemption 28options VIMAGE # Subsystem virtualization, e.g. VNET 29options INET # InterNETworking 30options INET6 # IPv6 communications protocols 31options TCP_HHOOK # hhook(9) framework for TCP 32options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 33options ROUTE_MPATH # Multipath routing support 34options TCP_OFFLOAD # TCP offload 35options TCP_BLACKBOX # Enhanced TCP event logging 36options TCP_RFC7413 # TCP Fast Open 37options SCTP_SUPPORT # Allow kldload of SCTP 38options FFS # Berkeley Fast Filesystem 39options SOFTUPDATES # Enable FFS soft updates support 40options UFS_ACL # Support for access control lists 41options UFS_DIRHASH # Improve performance on big directories 42options UFS_GJOURNAL # Enable gjournal-based UFS journaling 43options QUOTA # Enable disk quotas for UFS 44options NFSCL # Network Filesystem Client 45options NFSD # Network Filesystem Server 46options NFSLOCKD # Network Lock Manager 47options NFS_ROOT # NFS usable as /, requires NFSCL 48options MSDOSFS # MSDOS Filesystem 49options CD9660 # ISO 9660 Filesystem 50options PROCFS # Process filesystem (requires PSEUDOFS) 51options PSEUDOFS # Pseudo-filesystem framework 52options TMPFS # Efficient memory filesystem 53options GEOM_RAID # Soft RAID functionality. 54options GEOM_LABEL # Provides labelization 55options COMPAT_FREEBSD12 # Compatible with FreeBSD12 56options COMPAT_FREEBSD13 # Compatible with FreeBSD13 57options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 58options KTRACE # ktrace(1) support 59options STACK # stack(9) support 60options SYSVSHM # SYSV-style shared memory 61options SYSVMSG # SYSV-style message queues 62options SYSVSEM # SYSV-style semaphores 63options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 64options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 65options KBD_INSTALL_CDEV # install a CDEV entry in /dev 66# options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 67options AUDIT # Security event auditing 68options CAPABILITY_MODE # Capsicum capability mode 69options CAPABILITIES # Capsicum capabilities 70options MAC # TrustedBSD MAC Framework 71options KDTRACE_FRAME # Ensure frames are compiled in 72options KDTRACE_HOOKS # Kernel DTrace hooks 73options DDB_CTF # Kernel ELF linker loads CTF data 74options RACCT # Resource accounting framework 75options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 76options RCTL # Resource limits 77options SMP 78 79# RISC-V SBI console 80device rcons 81 82# pseudo devices 83device clk 84device hwreset 85device syscon 86device syscon_power 87device riscv_syscon 88 89# Bus drivers 90device pci 91 92# Block devices 93device scbus 94device da 95 96# VirtIO support 97device virtio # Generic VirtIO bus (required) 98device virtio_pci # VirtIO PCI device 99device vtnet # VirtIO Ethernet device 100device virtio_blk # VirtIO Block device 101device virtio_mmio # VirtIO MMIO bus 102 103# ATA/SCSI peripherals 104device pass # Passthrough device (direct ATA/SCSI access) 105 106# NVM Express (NVMe) support 107device nvme # base NVMe driver 108options NVME_USE_NVD=0 # prefer the cam(4) based nda(4) driver 109device nvd # expose NVMe namespaces as disks, depends on nvme 110 111# USB support 112options USB_DEBUG # enable debug msgs 113device ohci # OHCI USB interface 114device uhci # UHCI USB interface 115device ehci # EHCI USB interface (USB 2.0) 116device xhci # XHCI USB interface (USB 3.0) 117device usb # USB Bus (required) 118device usbhid # USB HID Transport 119device hkbd # Keyboard 120device ukbd # Keyboard 121device umass # Disks/Mass storage - Requires scbus and da 122 123# HID support 124options HID_DEBUG # enable debug msgs 125device hid # Generic HID support 126device hidbus # Generic HID Bus 127 128# DTrace support 129# device dtrace 130# device dtrace_profile 131# device dtrace_sdt 132# device dtrace_fbt 133# device dtrace_systrace 134# device dtrace_prototype 135# device dtraceall 136 137# Serial (COM) ports 138device uart # Generic UART driver 139device uart_lowrisc # lowRISC UART driver 140device uart_ns8250 # ns8250-type UART driver 141 142# Console 143device vt 144device kbdmux 145 146# RTC 147device da9063_rtc # Dialog Semiconductor DA9063 RTC 148device goldfish_rtc # QEMU RTC 149 150# Ethernet drivers 151device cgem # Cadence GEM Gigabit Ethernet device 152device miibus # MII bus support 153device xae # Xilinx AXI Ethernet MAC 154 155# DMA support 156device xdma # DMA interface 157device axidma # Xilinx AXI DMA Controller 158 159# GPIO 160device gpio 161 162# SPI 163device spibus 164device spigen 165 166# Power management controllers 167device da9063_pmic # Dialog Semiconductor DA9063 PMIC 168 169# Uncomment for memory disk 170# options MD_ROOT 171# options MD_ROOT_SIZE=32768 # 32MB ram disk 172# makeoptions MFS_IMAGE=/path/to/img 173# options ROOTDEVNAME=\"ufs:/dev/md0\" 174 175# Uncomment for virtio block device 176# options ROOTDEVNAME=\"ufs:/dev/vtbd0\" 177 178# Debugging support. Always need this: 179options KDB # Enable kernel debugger support. 180options KDB_TRACE # Print a stack trace for a panic. 181 182# Kernel dump features. 183options ZSTDIO # zstd-compressed kernel and user dumps 184 185# Pseudo devices. 186device crypto # core crypto support 187device loop # Network loopback 188device ether # Ethernet support 189device vlan # 802.1Q VLAN support 190device tuntap # Packet tunnel. 191device md # Memory "disks" 192device gif # IPv6 and IPv4 tunneling 193device firmware # firmware assist module 194 195# The `bpf' device enables the Berkeley Packet Filter. 196# Be aware of the administrative consequences of enabling this! 197# Note that 'bpf' is required for DHCP. 198device bpf # Berkeley packet filter 199 200# Flattened Device Tree 201options FDT 202makeoptions MODULES_EXTRA+="dtb/sifive" 203 204# I2C support 205device iicbus # Bus support, required for iicoc below. 206device iicoc # OpenCores I2C controller support 207 208# Allwinner device drivers 209device aw_wdog # Allwinner Watchdog 210files "../allwinner/files.allwinner" 211 212# SiFive device drivers 213device fu740_pci_dw 214device sifive_gpio 215device sifive_spi 216include "../sifive/std.sifive" 217