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#
# GENERIC -- Generic kernel configuration file for FreeBSD/RISC-V
#
# For more information on this file, please read the config(5) manual page,
# and/or the handbook section on Kernel Configuration Files:
#
# https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
cpu RISCV
ident GENERIC
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
options SCHED_ULE # ULE scheduler
options PREEMPTION # Enable kernel thread preemption
options VIMAGE # Subsystem virtualization, e.g. VNET
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options TCP_HHOOK # hhook(9) framework for TCP
options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
options ROUTE_MPATH # Multipath routing support
options TCP_OFFLOAD # TCP offload
options TCP_BLACKBOX # Enhanced TCP event logging
options TCP_RFC7413 # TCP Fast Open
options SCTP_SUPPORT # Allow kldload of SCTP
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options UFS_GJOURNAL # Enable gjournal-based UFS journaling
options QUOTA # Enable disk quotas for UFS
options NFSCL # Network Filesystem Client
options NFSD # Network Filesystem Server
options NFSLOCKD # Network Lock Manager
options NFS_ROOT # NFS usable as /, requires NFSCL
options MSDOSFS # MSDOS Filesystem
options CD9660 # ISO 9660 Filesystem
options PROCFS # Process filesystem (requires PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options TMPFS # Efficient memory filesystem
options GEOM_RAID # Soft RAID functionality.
options GEOM_LABEL # Provides labelization
options COMPAT_FREEBSD12 # Compatible with FreeBSD12
options COMPAT_FREEBSD13 # Compatible with FreeBSD13
options COMPAT_FREEBSD14 # Compatible with FreeBSD14
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
options KTRACE # ktrace(1) support
options STACK # stack(9) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
# options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
options AUDIT # Security event auditing
options CAPABILITY_MODE # Capsicum capability mode
options CAPABILITIES # Capsicum capabilities
options MAC # TrustedBSD MAC Framework
options KDTRACE_FRAME # Ensure frames are compiled in
options KDTRACE_HOOKS # Kernel DTrace hooks
options DDB_CTF # Kernel ELF linker loads CTF data
options RACCT # Resource accounting framework
options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
options RCTL # Resource limits
options SMP
# RISC-V SBI console
device rcons
# pseudo devices
device clk
device hwreset
device nvmem
device phy
device regulator
device syscon
device syscon_power
device riscv_syscon
# CPU frequency control
device cpufreq
# Bus drivers
device pci
# Block devices
device ahci
device scbus
device da
# VirtIO support
device virtio # Generic VirtIO bus (required)
device virtio_pci # VirtIO PCI device
device vtnet # VirtIO Ethernet device
device virtio_blk # VirtIO Block device
device virtio_mmio # VirtIO MMIO bus
# ATA/SCSI peripherals
device pass # Passthrough device (direct ATA/SCSI access)
# NVM Express (NVMe) support
device nvme # base NVMe driver
options NVME_USE_NVD=0 # prefer the cam(4) based nda(4) driver
device nvd # expose NVMe namespaces as disks, depends on nvme
# USB support
options USB_DEBUG # enable debug msgs
device ohci # OHCI USB interface
device uhci # UHCI USB interface
device ehci # EHCI USB interface (USB 2.0)
device xhci # XHCI USB interface (USB 3.0)
device usb # USB Bus (required)
device usbhid # USB HID Transport
device hkbd # Keyboard
device ukbd # Keyboard
device umass # Disks/Mass storage - Requires scbus and da
# HID support
options HID_DEBUG # enable debug msgs
device hid # Generic HID support
device hidbus # Generic HID Bus
# Serial (COM) ports
device uart # Generic UART driver
device uart_lowrisc # lowRISC UART driver
device uart_ns8250 # ns8250-type UART driver
# Console
device vt
device vt_efifb
device kbdmux
# RTC
device goldfish_rtc # QEMU RTC
# Ethernet drivers
device miibus # MII bus support
device xae # Xilinx AXI Ethernet MAC
# DMA support
device xdma # DMA interface
device axidma # Xilinx AXI DMA Controller
# GPIO
device gpio
device fdt_pinctrl
# SPI
device spibus
device spigen
device xilinx_spi # Xilinx AXI SPI Controller
# Debugging support. Always need this:
options KDB # Enable kernel debugger support.
options KDB_TRACE # Print a stack trace for a panic.
# For full debugger support use (turn off in stable branch):
include "std.debug"
# options EARLY_PRINTF=sbi
# Kernel dump features.
options EKCD # Support for encrypted kernel dumps
options GZIO # gzip-compressed kernel and user dumps
options ZSTDIO # zstd-compressed kernel and user dumps
options DEBUGNET # debugnet networking
options NETDUMP # netdump(4) client support
# Pseudo devices.
device crypto # core crypto support
device loop # Network loopback
device ether # Ethernet support
device vlan # 802.1Q VLAN support
device tuntap # Packet tunnel.
device md # Memory "disks"
device gif # IPv6 and IPv4 tunneling
device firmware # firmware assist module
# MMC/SD/SDIO Card slot support
device sdhci
device mmc # MMC/SD bus
device mmcsd # MMC/SD flash cards
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device bpf # Berkeley packet filter
# Flattened Device Tree
options FDT
# I2C support
device iicbus # Bus support, required for iicoc below.
device iicoc # OpenCores I2C controller support
# Include SoC specific configuration
include "std.allwinner"
include "std.eswin"
include "std.sifive"
include "std.starfive"
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