1# 2# MINIMAL -- Mostly Minimal kernel configuration file for FreeBSD/amd64 3# 4# Many definitions of minimal are possible. The one this file follows is 5# GENERIC, minus all functionality that can be replaced by loading kernel 6# modules. 7# 8# Exceptions: 9# o (non-loaded) random is included due to uncertainty... 10# o Many networking things are included 11# 12# For now, please run changes to these list past imp@freebsd.org 13# 14# For more information on this file, please read the config(5) manual page, 15# and/or the handbook section on Kernel Configuration Files: 16# 17# https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config 18# 19# The handbook is also available locally in /usr/share/doc/handbook 20# if you've installed the doc distribution, otherwise always see the 21# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the 22# latest information. 23# 24# An exhaustive list of options and more detailed explanations of the 25# device lines is also present in the ../../conf/NOTES and NOTES files. 26# If you are in doubt as to the purpose or necessity of a line, check first 27# in NOTES. 28# 29# $FreeBSD$ 30 31cpu HAMMER 32ident MINIMAL 33 34makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 35makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 36 37options SCHED_ULE # ULE scheduler 38options NUMA # Non-Uniform Memory Architecture support 39options PREEMPTION # Enable kernel thread preemption 40options INET # InterNETworking 41options INET6 # IPv6 communications protocols 42options TCP_OFFLOAD # TCP offload 43options SCTP_SUPPORT # Allow kldload of SCTP 44options FFS # Berkeley Fast Filesystem 45options SOFTUPDATES # Enable FFS soft updates support 46options UFS_ACL # Support for access control lists 47options UFS_DIRHASH # Improve performance on big directories 48options UFS_GJOURNAL # Enable gjournal-based UFS journaling 49options QUOTA # Enable disk quotas for UFS 50options MD_ROOT # MD is a potential root device 51options GEOM_LABEL # Provides labelization 52options COMPAT_FREEBSD32 # Compatible with i386 binaries 53options COMPAT_FREEBSD4 # Compatible with FreeBSD4 54options COMPAT_FREEBSD5 # Compatible with FreeBSD5 55options COMPAT_FREEBSD6 # Compatible with FreeBSD6 56options COMPAT_FREEBSD7 # Compatible with FreeBSD7 57options COMPAT_FREEBSD9 # Compatible with FreeBSD9 58options COMPAT_FREEBSD10 # Compatible with FreeBSD10 59options COMPAT_FREEBSD11 # Compatible with FreeBSD11 60options COMPAT_FREEBSD12 # Compatible with FreeBSD12 61options COMPAT_FREEBSD13 # Compatible with FreeBSD13 62options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 63options KTRACE # ktrace(1) support 64options STACK # stack(9) support 65options SYSVSHM # SYSV-style shared memory 66options SYSVMSG # SYSV-style message queues 67options SYSVSEM # SYSV-style semaphores 68options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 69options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 70options KBD_INSTALL_CDEV # install a CDEV entry in /dev 71options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 72options AUDIT # Security event auditing 73options CAPABILITY_MODE # Capsicum capability mode 74options CAPABILITIES # Capsicum capabilities 75options MAC # TrustedBSD MAC Framework 76options KDTRACE_FRAME # Ensure frames are compiled in 77options KDTRACE_HOOKS # Kernel DTrace hooks 78options DDB_CTF # Kernel ELF linker loads CTF data 79options INCLUDE_CONFIG_FILE # Include this file in kernel 80 81# Debugging support. Always need this: 82options KDB # Enable kernel debugger support. 83options KDB_TRACE # Print a stack trace for a panic. 84 85# Make an SMP-capable kernel by default 86options SMP # Symmetric MultiProcessor Kernel 87options EARLY_AP_STARTUP 88 89# CPU frequency control 90device cpufreq 91 92# Bus support. 93device acpi 94options IOMMU 95device pci 96 97# atkbdc0 controls both the keyboard and the PS/2 mouse 98device atkbdc # AT keyboard controller 99device atkbd # AT keyboard 100device psm # PS/2 mouse 101 102device kbdmux # keyboard multiplexer 103 104# syscons is the legacy console driver, resembling an SCO console 105device vga # VGA video card driver 106device splash # Splash screen and screen saver support 107device sc 108options SC_PIXEL_MODE # add support for the raster text mode 109 110# vt is the default video console driver 111device vt 112device vt_vga 113device vt_efifb 114device vt_vbefb 115 116device agp # support several AGP chipsets 117 118# Serial (COM) ports 119device uart # Generic UART driver 120 121# Pseudo devices. 122device loop # Network loopback 123device padlock_rng # VIA Padlock RNG 124device rdrand_rng # Intel Bull Mountain RNG 125device ether # Ethernet support 126 127# The `bpf' device enables the Berkeley Packet Filter. 128# Be aware of the administrative consequences of enabling this! 129# Note that 'bpf' is required for DHCP. 130device bpf # Berkeley packet filter 131 132# VirtIO support 133device virtio # Generic VirtIO bus (required) 134device virtio_pci # VirtIO PCI device 135device vtnet # VirtIO Ethernet device 136device virtio_blk # VirtIO Block device 137device virtio_balloon # VirtIO Memory Balloon device 138 139# Linux KVM paravirtualization support 140device kvm_clock # KVM paravirtual clock driver 141 142# Xen HVM Guest Optimizations 143# NOTE: XENHVM depends on xenpci and xentimer. 144# They must be added or removed together. 145options XENHVM # Xen HVM kernel infrastructure 146device xenefi # Xen EFI timer device 147device xenpci # Xen HVM Hypervisor services driver 148device xentimer # Xen x86 PV timer device 149 150# evdev interface 151options EVDEV_SUPPORT # evdev support in legacy drivers 152device evdev # input event device support 153device uinput # install /dev/uinput cdev 154