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 DDB_CTF # Kernel ELF linker loads CTF data 71options FPE # Floating-point extension support 72options RACCT # Resource accounting framework 73options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 74options RCTL # Resource limits 75options SMP 76options INTRNG 77 78# RISC-V SBI console 79device rcons 80 81# EXT_RESOURCES pseudo devices 82options EXT_RESOURCES 83device clk 84device syscon 85device syscon_power 86device riscv_syscon 87 88# Bus drivers 89device pci 90 91# VirtIO support 92device virtio # Generic VirtIO bus (required) 93device virtio_pci # VirtIO PCI device 94device vtnet # VirtIO Ethernet device 95device virtio_blk # VirtIO Block device 96device virtio_mmio # VirtIO MMIO bus 97 98# DTrace support 99# device dtrace 100# device dtrace_profile 101# device dtrace_sdt 102# device dtrace_fbt 103# device dtrace_systrace 104# device dtrace_prototype 105# device dtraceall 106 107# Serial (COM) ports 108device uart # Generic UART driver 109device uart_lowrisc # lowRISC UART driver 110device uart_ns8250 # ns8250-type UART driver 111 112# RTC 113device goldfish_rtc # QEMU RTC 114 115# Ethernet drivers 116device miibus # MII bus support 117device cgem # Cadence Gigabit Ethernet MAC 118device xae # Xilinx AXI Ethernet MAC 119 120# DMA support 121device xdma # DMA interface 122device axidma # Xilinx AXI DMA Controller 123 124# Uncomment for memory disk 125# options MD_ROOT 126# options MD_ROOT_SIZE=32768 # 32MB ram disk 127# makeoptions MFS_IMAGE=/path/to/img 128# options ROOTDEVNAME=\"ufs:/dev/md0\" 129 130# Uncomment for virtio block device 131# options ROOTDEVNAME=\"ufs:/dev/vtbd0\" 132 133# Debugging support. Always need this: 134options KDB # Enable kernel debugger support. 135options KDB_TRACE # Print a stack trace for a panic. 136# For full debugger support use (turn off in stable branch): 137options DDB # Support DDB. 138# options GDB # Support remote GDB. 139options DEADLKRES # Enable the deadlock resolver 140options INVARIANTS # Enable calls of extra sanity checking 141options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 142options WITNESS # Enable checks to detect deadlocks and cycles 143# options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 144options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 145# options EARLY_PRINTF 146options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 147 148# Kernel dump features. 149options ZSTDIO # zstd-compressed kernel and user dumps 150 151# Pseudo devices. 152device crypto # core crypto support 153device loop # Network loopback 154device ether # Ethernet support 155device vlan # 802.1Q VLAN support 156device tuntap # Packet tunnel. 157device md # Memory "disks" 158device gif # IPv6 and IPv4 tunneling 159device firmware # firmware assist module 160 161# The `bpf' device enables the Berkeley Packet Filter. 162# Be aware of the administrative consequences of enabling this! 163# Note that 'bpf' is required for DHCP. 164device bpf # Berkeley packet filter 165 166options FDT 167