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 FPE # Floating-point extension support 76options RACCT # Resource accounting framework 77options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 78options RCTL # Resource limits 79options SMP 80 81# RISC-V SBI console 82device rcons 83 84# pseudo devices 85device clk 86device hwreset 87device syscon 88device syscon_power 89device riscv_syscon 90 91# Bus drivers 92device pci 93 94# Block devices 95device scbus 96device da 97 98# VirtIO support 99device virtio # Generic VirtIO bus (required) 100device virtio_pci # VirtIO PCI device 101device vtnet # VirtIO Ethernet device 102device virtio_blk # VirtIO Block device 103device virtio_mmio # VirtIO MMIO bus 104 105# NVM Express (NVMe) support 106device nvme # base NVMe driver 107options NVME_USE_NVD=0 # prefer the cam(4) based nda(4) driver 108device nvd # expose NVMe namespaces as disks, depends on nvme 109 110# USB support 111options USB_DEBUG # enable debug msgs 112device ohci # OHCI USB interface 113device uhci # UHCI USB interface 114device ehci # EHCI USB interface (USB 2.0) 115device xhci # XHCI USB interface (USB 3.0) 116device usb # USB Bus (required) 117device ukbd # Keyboard 118device umass # Disks/Mass storage - Requires scbus and da 119 120# HID support 121options HID_DEBUG # enable debug msgs 122device hid # Generic HID support 123 124# DTrace support 125# device dtrace 126# device dtrace_profile 127# device dtrace_sdt 128# device dtrace_fbt 129# device dtrace_systrace 130# device dtrace_prototype 131# device dtraceall 132 133# Serial (COM) ports 134device uart # Generic UART driver 135device uart_lowrisc # lowRISC UART driver 136device uart_ns8250 # ns8250-type UART driver 137 138# Console 139device vt 140device kbdmux 141 142# RTC 143device da9063_rtc # Dialog Semiconductor DA9063 RTC 144device goldfish_rtc # QEMU RTC 145 146# Ethernet drivers 147device cgem # Cadence GEM Gigabit Ethernet device 148device miibus # MII bus support 149device xae # Xilinx AXI Ethernet MAC 150 151# DMA support 152device xdma # DMA interface 153device axidma # Xilinx AXI DMA Controller 154 155# GPIO 156device gpio 157 158# SPI 159device spibus 160device spigen 161 162# Power management controllers 163device da9063_pmic # Dialog Semiconductor DA9063 PMIC 164 165# Uncomment for memory disk 166# options MD_ROOT 167# options MD_ROOT_SIZE=32768 # 32MB ram disk 168# makeoptions MFS_IMAGE=/path/to/img 169# options ROOTDEVNAME=\"ufs:/dev/md0\" 170 171# Uncomment for virtio block device 172# options ROOTDEVNAME=\"ufs:/dev/vtbd0\" 173 174# Debugging support. Always need this: 175options KDB # Enable kernel debugger support. 176options KDB_TRACE # Print a stack trace for a panic. 177# For full debugger support use (turn off in stable branch): 178options DDB # Support DDB. 179options GDB # Support remote GDB. 180options DEADLKRES # Enable the deadlock resolver 181options INVARIANTS # Enable calls of extra sanity checking 182options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 183options WITNESS # Enable checks to detect deadlocks and cycles 184options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 185options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 186options ALT_BREAK_TO_DEBUGGER # Enter debugger on keyboard escape sequence 187# options EARLY_PRINTF 188options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 189 190# Kernel dump features. 191options ZSTDIO # zstd-compressed kernel and user dumps 192 193# Pseudo devices. 194device crypto # core crypto support 195device loop # Network loopback 196device ether # Ethernet support 197device vlan # 802.1Q VLAN support 198device tuntap # Packet tunnel. 199device md # Memory "disks" 200device gif # IPv6 and IPv4 tunneling 201device firmware # firmware assist module 202 203# The `bpf' device enables the Berkeley Packet Filter. 204# Be aware of the administrative consequences of enabling this! 205# Note that 'bpf' is required for DHCP. 206device bpf # Berkeley packet filter 207 208# Flattened Device Tree 209options FDT 210makeoptions MODULES_EXTRA+="dtb/sifive" 211 212# I2C support 213device iicbus # Bus support, required for iicoc below. 214device iicoc # OpenCores I2C controller support 215 216# Allwinner device drivers 217device aw_wdog # Allwinner Watchdog 218files "../allwinner/files.allwinner" 219 220# SiFive device drivers 221device fu740_pci_dw 222device sifive_gpio 223device sifive_spi 224include "../sifive/std.sifive" 225