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 # Stream Control Transmission Protocol 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 GEOM_PART_GPT # GUID Partition Tables. 51options GEOM_RAID # Soft RAID functionality. 52options GEOM_LABEL # Provides labelization 53options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 54options KTRACE # ktrace(1) support 55options STACK # stack(9) support 56options SYSVSHM # SYSV-style shared memory 57options SYSVMSG # SYSV-style message queues 58options SYSVSEM # SYSV-style semaphores 59options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 60options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 61options KBD_INSTALL_CDEV # install a CDEV entry in /dev 62# options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 63options AUDIT # Security event auditing 64options CAPABILITY_MODE # Capsicum capability mode 65options CAPABILITIES # Capsicum capabilities 66options MAC # TrustedBSD MAC Framework 67options KDTRACE_FRAME # Ensure frames are compiled in 68options KDTRACE_HOOKS # Kernel DTrace hooks 69options FPE # Floating-point extension support 70options RACCT # Resource accounting framework 71options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 72options RCTL # Resource limits 73options SMP 74options INTRNG 75 76# RISC-V SBI console 77device rcons 78 79# Bus drivers 80device pci 81 82# VirtIO support 83device virtio # Generic VirtIO bus (required) 84device virtio_pci # VirtIO PCI device 85device vtnet # VirtIO Ethernet device 86device virtio_blk # VirtIO Block device 87device virtio_mmio # VirtIO MMIO bus 88 89# DTrace support 90# device dtrace 91# device dtrace_profile 92# device dtrace_sdt 93# device dtrace_fbt 94# device dtrace_systrace 95# device dtrace_prototype 96# device dtraceall 97 98# Serial (COM) ports 99device uart # Generic UART driver 100device uart_lowrisc # lowRISC UART driver 101device uart_ns8250 # ns8250-type UART driver 102 103 104# Ethernet drivers 105device miibus # MII bus support 106device cgem # Cadence Gigabit Ethernet MAC 107device xae # Xilinx AXI Ethernet MAC 108 109# DMA support 110device xdma # DMA interface 111device axidma # Xilinx AXI DMA Controller 112 113# Uncomment for memory disk 114# options MD_ROOT 115# options MD_ROOT_SIZE=32768 # 32MB ram disk 116# makeoptions MFS_IMAGE=/path/to/img 117# options ROOTDEVNAME=\"ufs:/dev/md0\" 118 119# Uncomment for virtio block device 120# options ROOTDEVNAME=\"ufs:/dev/vtbd0\" 121 122# Debugging support. Always need this: 123options KDB # Enable kernel debugger support. 124options KDB_TRACE # Print a stack trace for a panic. 125# For full debugger support use (turn off in stable branch): 126options DDB # Support DDB. 127# options GDB # Support remote GDB. 128options DEADLKRES # Enable the deadlock resolver 129options INVARIANTS # Enable calls of extra sanity checking 130options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 131options WITNESS # Enable checks to detect deadlocks and cycles 132# options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 133options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 134# options EARLY_PRINTF 135options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 136 137# Kernel dump features. 138options ZSTDIO # zstd-compressed kernel and user dumps 139 140# Pseudo devices. 141device crypto # core crypto support 142device loop # Network loopback 143device ether # Ethernet support 144device vlan # 802.1Q VLAN support 145device tuntap # Packet tunnel. 146device md # Memory "disks" 147device gif # IPv6 and IPv4 tunneling 148device firmware # firmware assist module 149 150# The `bpf' device enables the Berkeley Packet Filter. 151# Be aware of the administrative consequences of enabling this! 152# Note that 'bpf' is required for DHCP. 153device bpf # Berkeley packet filter 154 155options FDT 156