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