1# 2# MINIMAL -- Mostly Minimal kernel configuration file for FreeBSD/i386 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 While UFS is buildable as a module, the current module lacks 10# some features (ACL, GJOURNAL) that GENERIC includes. 11# o acpi as a module has been reported flakey and not well tested, so 12# is included in the kernel. 13# o (non-loaded) random is included due to uncertainty... 14# o Many networking things are included 15# 16# For now, please run changes to these list past imp@freebsd.org 17# 18# For more information on this file, please read the config(5) manual page, 19# and/or the handbook section on Kernel Configuration Files: 20# 21# https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config 22# 23# The handbook is also available locally in /usr/share/doc/handbook 24# if you've installed the doc distribution, otherwise always see the 25# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the 26# latest information. 27# 28# An exhaustive list of options and more detailed explanations of the 29# device lines is also present in the ../../conf/NOTES and NOTES files. 30# If you are in doubt as to the purpose or necessity of a line, check first 31# in NOTES. 32# 33 34cpu I486_CPU 35cpu I586_CPU 36cpu I686_CPU 37ident MINIMAL 38 39makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 40makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 41 42options SCHED_ULE # ULE scheduler 43options PREEMPTION # Enable kernel thread preemption 44options INET # InterNETworking 45options INET6 # IPv6 communications protocols 46options TCP_OFFLOAD # TCP offload 47options SCTP_SUPPORT # Allow kldload of SCTP 48options FFS # Berkeley Fast Filesystem 49options SOFTUPDATES # Enable FFS soft updates support 50options UFS_ACL # Support for access control lists 51options UFS_DIRHASH # Improve performance on big directories 52options UFS_GJOURNAL # Enable gjournal-based UFS journaling 53options QUOTA # Enable disk quotas for UFS 54options MD_ROOT # MD is a potential root device 55options GEOM_LABEL # Provides labelization 56options COMPAT_FREEBSD4 # Compatible with FreeBSD4 57options COMPAT_FREEBSD5 # Compatible with FreeBSD5 58options COMPAT_FREEBSD6 # Compatible with FreeBSD6 59options COMPAT_FREEBSD7 # Compatible with FreeBSD7 60options COMPAT_FREEBSD9 # Compatible with FreeBSD9 61options COMPAT_FREEBSD10 # Compatible with FreeBSD10 62options COMPAT_FREEBSD11 # Compatible with FreeBSD11 63options COMPAT_FREEBSD12 # Compatible with FreeBSD12 64options COMPAT_FREEBSD13 # Compatible with FreeBSD13 65options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 66options KTRACE # ktrace(1) support 67options STACK # stack(9) support 68options SYSVSHM # SYSV-style shared memory 69options SYSVMSG # SYSV-style message queues 70options SYSVSEM # SYSV-style semaphores 71options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 72options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 73options KBD_INSTALL_CDEV # install a CDEV entry in /dev 74options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 75options AUDIT # Security event auditing 76options CAPABILITY_MODE # Capsicum capability mode 77options CAPABILITIES # Capsicum capabilities 78options MAC # TrustedBSD MAC Framework 79options KDTRACE_FRAME # Ensure frames are compiled in 80options KDTRACE_HOOKS # Kernel DTrace hooks 81options DDB_CTF # Kernel ELF linker loads CTF data 82options INCLUDE_CONFIG_FILE # Include this file in kernel 83 84# Debugging support. Always need this: 85options KDB # Enable kernel debugger support. 86options KDB_TRACE # Print a stack trace for a panic. 87 88# Make an SMP-capable kernel by default 89options SMP # Symmetric MultiProcessor Kernel 90device apic 91 92# CPU frequency control 93device cpufreq 94 95# Bus support. 96device acpi 97device smbios 98device pci 99 100# atkbdc0 controls both the keyboard and the PS/2 mouse 101device atkbdc # AT keyboard controller 102device atkbd # AT keyboard 103device psm # PS/2 mouse 104 105device kbdmux # keyboard multiplexer 106 107# syscons is the legacy console driver, resembling an SCO console 108device vga # VGA video card driver 109device splash # Splash screen and screen saver support 110device sc 111options SC_PIXEL_MODE # add support for the raster text mode 112 113# vt is the default video console driver 114device vt 115device vt_vga 116device vt_efifb 117device vt_vbefb 118 119device agp # support several AGP chipsets 120 121# Serial (COM) ports 122device uart # Generic UART driver 123 124# Pseudo devices. 125device loop # Network loopback 126device padlock_rng # VIA Padlock RNG 127device rdrand_rng # Intel Bull Mountain RNG 128device ether # Ethernet support 129 130# The `bpf' device enables the Berkeley Packet Filter. 131# Be aware of the administrative consequences of enabling this! 132# Note that 'bpf' is required for DHCP. 133device bpf # Berkeley packet filter 134 135# VirtIO support 136device virtio # Generic VirtIO bus (required) 137device virtio_pci # VirtIO PCI device 138device vtnet # VirtIO Ethernet device 139device virtio_blk # VirtIO Block device 140device virtio_balloon # VirtIO Memory Balloon device 141 142# Linux KVM paravirtualization support 143device kvm_clock # KVM paravirtual clock driver 144 145# Xen HVM Guest Optimizations 146# NOTE: XENHVM depends on xenpci and xentimer. 147# They must be added or removed together. 148options XENHVM # Xen HVM kernel infrastructure 149device xenpci # Xen HVM Hypervisor services driver 150device xentimer # Xen x86 PV timer device 151 152# evdev interface 153options EVDEV_SUPPORT # evdev support in legacy drivers 154device evdev # input event device support 155device uinput # install /dev/uinput cdev 156