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