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 TCP_BLACKBOX # Enhanced TCP event logging 37options TCP_RFC7413 # TCP Fast Open 38options SCTP_SUPPORT # Allow kldload of SCTP 39options FFS # Berkeley Fast Filesystem 40options SOFTUPDATES # Enable FFS soft updates support 41options UFS_ACL # Support for access control lists 42options UFS_DIRHASH # Improve performance on big directories 43options UFS_GJOURNAL # Enable gjournal-based UFS journaling 44options QUOTA # Enable disk quotas for UFS 45options NFSCL # Network Filesystem Client 46options NFSD # Network Filesystem Server 47options NFSLOCKD # Network Lock Manager 48options NFS_ROOT # NFS usable as /, requires NFSCL 49options MSDOSFS # MSDOS Filesystem 50options CD9660 # ISO 9660 Filesystem 51options PROCFS # Process filesystem (requires PSEUDOFS) 52options PSEUDOFS # Pseudo-filesystem framework 53options TMPFS # Efficient memory filesystem 54options GEOM_RAID # Soft RAID functionality. 55options GEOM_LABEL # Provides labelization 56options COMPAT_FREEBSD12 # Compatible with FreeBSD12 57options COMPAT_FREEBSD13 # Compatible with FreeBSD13 58options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 59options KTRACE # ktrace(1) support 60options STACK # stack(9) support 61options SYSVSHM # SYSV-style shared memory 62options SYSVMSG # SYSV-style message queues 63options SYSVSEM # SYSV-style semaphores 64options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 65options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 66options KBD_INSTALL_CDEV # install a CDEV entry in /dev 67# options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 68options AUDIT # Security event auditing 69options CAPABILITY_MODE # Capsicum capability mode 70options CAPABILITIES # Capsicum capabilities 71options MAC # TrustedBSD MAC Framework 72options KDTRACE_FRAME # Ensure frames are compiled in 73options KDTRACE_HOOKS # Kernel DTrace hooks 74options DDB_CTF # Kernel ELF linker loads CTF data 75options RACCT # Resource accounting framework 76options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 77options RCTL # Resource limits 78options SMP 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# ATA/SCSI peripherals 105device pass # Passthrough device (direct ATA/SCSI access) 106 107# NVM Express (NVMe) support 108device nvme # base NVMe driver 109options NVME_USE_NVD=0 # prefer the cam(4) based nda(4) driver 110device nvd # expose NVMe namespaces as disks, depends on nvme 111 112# USB support 113options USB_DEBUG # enable debug msgs 114device ohci # OHCI USB interface 115device uhci # UHCI USB interface 116device ehci # EHCI USB interface (USB 2.0) 117device xhci # XHCI USB interface (USB 3.0) 118device usb # USB Bus (required) 119device ukbd # Keyboard 120device umass # Disks/Mass storage - Requires scbus and da 121 122# HID support 123options HID_DEBUG # enable debug msgs 124device hid # Generic HID support 125 126# DTrace support 127# device dtrace 128# device dtrace_profile 129# device dtrace_sdt 130# device dtrace_fbt 131# device dtrace_systrace 132# device dtrace_prototype 133# device dtraceall 134 135# Serial (COM) ports 136device uart # Generic UART driver 137device uart_lowrisc # lowRISC UART driver 138device uart_ns8250 # ns8250-type UART driver 139 140# Console 141device vt 142device kbdmux 143 144# RTC 145device da9063_rtc # Dialog Semiconductor DA9063 RTC 146device goldfish_rtc # QEMU RTC 147 148# Ethernet drivers 149device cgem # Cadence GEM Gigabit Ethernet device 150device miibus # MII bus support 151device xae # Xilinx AXI Ethernet MAC 152 153# DMA support 154device xdma # DMA interface 155device axidma # Xilinx AXI DMA Controller 156 157# GPIO 158device gpio 159 160# SPI 161device spibus 162device spigen 163 164# Power management controllers 165device da9063_pmic # Dialog Semiconductor DA9063 PMIC 166 167# Uncomment for memory disk 168# options MD_ROOT 169# options MD_ROOT_SIZE=32768 # 32MB ram disk 170# makeoptions MFS_IMAGE=/path/to/img 171# options ROOTDEVNAME=\"ufs:/dev/md0\" 172 173# Uncomment for virtio block device 174# options ROOTDEVNAME=\"ufs:/dev/vtbd0\" 175 176# Debugging support. Always need this: 177options KDB # Enable kernel debugger support. 178options KDB_TRACE # Print a stack trace for a panic. 179# For full debugger support use (turn off in stable branch): 180options DDB # Support DDB. 181options GDB # Support remote GDB. 182options DEADLKRES # Enable the deadlock resolver 183options INVARIANTS # Enable calls of extra sanity checking 184options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 185options WITNESS # Enable checks to detect deadlocks and cycles 186options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 187options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 188options ALT_BREAK_TO_DEBUGGER # Enter debugger on keyboard escape sequence 189# options EARLY_PRINTF 190options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 191 192# Kernel dump features. 193options ZSTDIO # zstd-compressed kernel and user dumps 194 195# Pseudo devices. 196device crypto # core crypto support 197device loop # Network loopback 198device ether # Ethernet support 199device vlan # 802.1Q VLAN support 200device tuntap # Packet tunnel. 201device md # Memory "disks" 202device gif # IPv6 and IPv4 tunneling 203device firmware # firmware assist module 204 205# The `bpf' device enables the Berkeley Packet Filter. 206# Be aware of the administrative consequences of enabling this! 207# Note that 'bpf' is required for DHCP. 208device bpf # Berkeley packet filter 209 210# Flattened Device Tree 211options FDT 212makeoptions MODULES_EXTRA+="dtb/sifive" 213 214# I2C support 215device iicbus # Bus support, required for iicoc below. 216device iicoc # OpenCores I2C controller support 217 218# Allwinner device drivers 219device aw_wdog # Allwinner Watchdog 220files "../allwinner/files.allwinner" 221 222# SiFive device drivers 223device fu740_pci_dw 224device sifive_gpio 225device sifive_spi 226include "../sifive/std.sifive" 227