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://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html 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 TCP_OFFLOAD # TCP offload 35options SCTP_SUPPORT # Allow kldload of SCTP 36options FFS # Berkeley Fast Filesystem 37options SOFTUPDATES # Enable FFS soft updates support 38options UFS_ACL # Support for access control lists 39options UFS_DIRHASH # Improve performance on big directories 40options UFS_GJOURNAL # Enable gjournal-based UFS journaling 41options QUOTA # Enable disk quotas for UFS 42options NFSCL # Network Filesystem Client 43options NFSD # Network Filesystem Server 44options NFSLOCKD # Network Lock Manager 45options NFS_ROOT # NFS usable as /, requires NFSCL 46options MSDOSFS # MSDOS Filesystem 47options CD9660 # ISO 9660 Filesystem 48options PROCFS # Process filesystem (requires PSEUDOFS) 49options PSEUDOFS # Pseudo-filesystem framework 50options TMPFS # Efficient memory filesystem 51options GEOM_PART_GPT # GUID Partition Tables. 52options GEOM_RAID # Soft RAID functionality. 53options GEOM_LABEL # Provides labelization 54options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 55options KTRACE # ktrace(1) support 56options STACK # stack(9) support 57options SYSVSHM # SYSV-style shared memory 58options SYSVMSG # SYSV-style message queues 59options SYSVSEM # SYSV-style semaphores 60options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 61options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 62options KBD_INSTALL_CDEV # install a CDEV entry in /dev 63# options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 64options AUDIT # Security event auditing 65options CAPABILITY_MODE # Capsicum capability mode 66options CAPABILITIES # Capsicum capabilities 67options MAC # TrustedBSD MAC Framework 68options KDTRACE_FRAME # Ensure frames are compiled in 69options KDTRACE_HOOKS # Kernel DTrace hooks 70options FPE # Floating-point extension support 71options RACCT # Resource accounting framework 72options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 73options RCTL # Resource limits 74options SMP 75options INTRNG 76 77# RISC-V SBI console 78device rcons 79 80# EXT_RESOURCES pseudo devices 81options EXT_RESOURCES 82device clk 83device syscon 84device syscon_power 85device riscv_syscon 86 87# Bus drivers 88device pci 89 90# VirtIO support 91device virtio # Generic VirtIO bus (required) 92device virtio_pci # VirtIO PCI device 93device vtnet # VirtIO Ethernet device 94device virtio_blk # VirtIO Block device 95device virtio_mmio # VirtIO MMIO bus 96 97# DTrace support 98# device dtrace 99# device dtrace_profile 100# device dtrace_sdt 101# device dtrace_fbt 102# device dtrace_systrace 103# device dtrace_prototype 104# device dtraceall 105 106# Serial (COM) ports 107device uart # Generic UART driver 108device uart_lowrisc # lowRISC UART driver 109device uart_ns8250 # ns8250-type UART driver 110 111# RTC 112device goldfish_rtc # QEMU RTC 113 114# Ethernet drivers 115device miibus # MII bus support 116device cgem # Cadence Gigabit Ethernet MAC 117device xae # Xilinx AXI Ethernet MAC 118 119# DMA support 120device xdma # DMA interface 121device axidma # Xilinx AXI DMA Controller 122 123# Uncomment for memory disk 124# options MD_ROOT 125# options MD_ROOT_SIZE=32768 # 32MB ram disk 126# makeoptions MFS_IMAGE=/path/to/img 127# options ROOTDEVNAME=\"ufs:/dev/md0\" 128 129# Uncomment for virtio block device 130# options ROOTDEVNAME=\"ufs:/dev/vtbd0\" 131 132# Debugging support. Always need this: 133options KDB # Enable kernel debugger support. 134options KDB_TRACE # Print a stack trace for a panic. 135# For full debugger support use (turn off in stable branch): 136options DDB # Support DDB. 137# options GDB # Support remote GDB. 138options DEADLKRES # Enable the deadlock resolver 139options INVARIANTS # Enable calls of extra sanity checking 140options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 141options WITNESS # Enable checks to detect deadlocks and cycles 142# options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 143options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 144# options EARLY_PRINTF 145options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 146 147# Kernel dump features. 148options ZSTDIO # zstd-compressed kernel and user dumps 149 150# Pseudo devices. 151device crypto # core crypto support 152device loop # Network loopback 153device ether # Ethernet support 154device vlan # 802.1Q VLAN support 155device tuntap # Packet tunnel. 156device md # Memory "disks" 157device gif # IPv6 and IPv4 tunneling 158device firmware # firmware assist module 159 160# The `bpf' device enables the Berkeley Packet Filter. 161# Be aware of the administrative consequences of enabling this! 162# Note that 'bpf' is required for DHCP. 163device bpf # Berkeley packet filter 164 165options FDT 166