1# This is loader.conf - a file full of useful variables that you can 2# set to change the default load behavior of your system. You should 3# not edit this file! Put any overrides into one of the 4# loader_conf_files instead and you will be able to update these 5# defaults later without spamming your local configuration information. 6# 7# All arguments must be in double quotes. 8# 9# $FreeBSD$ 10 11### Basic configuration options ############################ 12exec="echo Loading /boot/defaults/loader.conf" 13 14kernel="kernel" # /boot sub-directory containing kernel and modules 15bootfile="kernel" # Kernel name (possibly absolute path) 16kernel_options="" # Flags to be passed to the kernel 17loader_conf_files="/boot/device.hints /boot/loader.conf /boot/loader.conf.local" 18nextboot_conf="/boot/nextboot.conf" 19nextboot_enable="NO" 20verbose_loading="NO" # Set to YES for verbose loader output 21 22### Splash screen configuration ############################ 23splash_bmp_load="NO" # Set this to YES for bmp splash screen! 24splash_pcx_load="NO" # Set this to YES for pcx splash screen! 25splash_txt_load="NO" # Set this to YES for TheDraw splash screen! 26vesa_load="NO" # Set this to YES to load the vesa module 27bitmap_load="NO" # Set this to YES if you want splash screen! 28bitmap_name="splash.bmp" # Set this to the name of the file 29bitmap_type="splash_image_data" # and place it on the module_path 30 31### Screen saver modules ################################### 32# This is best done in rc.conf 33screensave_load="NO" # Set to YES to load a screensaver module 34screensave_name="green_saver" # Set to the name of the screensaver module 35 36### Random number generator configuration ################## 37# See rc.conf(5). The entropy_boot_file config variable must agree with the 38# settings below. 39entropy_cache_load="YES" # Set this to NO to disable loading 40 # entropy at boot time 41entropy_cache_name="/boot/entropy" # Set this to the name of the file 42entropy_cache_type="boot_entropy_cache" # Required for the kernel to find 43 # the boot-time entropy cache. This 44 # must not change value even if the 45 # _name above does change! 46 47### RAM Blacklist configuration ############################ 48ram_blacklist_load="NO" # Set this to YES to load a file 49 # containing a list of addresses to 50 # exclude from the running system. 51ram_blacklist_name="/boot/blacklist.txt" # Set this to the name of the file 52ram_blacklist_type="ram_blacklist" # Required for the kernel to find 53 # the blacklist module 54 55### Microcode loading configuration ######################## 56cpu_microcode_load="NO" # Set this to YES to load and apply a 57 # microcode update file during boot. 58cpu_microcode_name="/boot/firmware/ucode.bin" # Set this to the microcode 59 # update file path. 60cpu_microcode_type="cpu_microcode" # Required for the kernel to find 61 # the microcode update file. 62 63### ACPI settings ########################################## 64acpi_dsdt_load="NO" # DSDT Overriding 65acpi_dsdt_type="acpi_dsdt" # Don't change this 66acpi_dsdt_name="/boot/acpi_dsdt.aml" 67 # Override DSDT in BIOS by this file 68acpi_video_load="NO" # Load the ACPI video extension driver 69 70### Audit settings ######################################### 71audit_event_load="NO" # Preload audit_event config 72audit_event_name="/etc/security/audit_event" 73audit_event_type="etc_security_audit_event" 74 75### Initial memory disk settings ########################### 76#mdroot_load="YES" # The "mdroot" prefix is arbitrary. 77#mdroot_type="md_image" # Create md(4) disk at boot. 78#mdroot_name="/boot/root.img" # Path to a file containing the image. 79#rootdev="ufs:/dev/md0" # Set the root filesystem to md(4) device. 80 81### Loader settings ######################################## 82#loader_delay="3" # Delay in seconds before loading anything. 83 # Default is unset and disabled (no delay). 84#autoboot_delay="10" # Delay in seconds before autobooting, 85 # -1 for no user interrupts, NO to disable 86#password="" # Prevent changes to boot options 87#bootlock_password="" # Prevent booting (see check-password.4th(8)) 88#geom_eli_passphrase_prompt="NO" # Prompt for geli(8) passphrase to mount root 89bootenv_autolist="YES" # Auto populate the list of ZFS Boot Environments 90#beastie_disable="NO" # Turn the beastie boot menu on and off 91efi_max_resolution="1x1" # Set the max resolution for EFI loader to use: 92 # 480p, 720p, 1080p, 2160p/4k, 5k, or specify 93 # WidthxHeight (e.g. 1920x1080) 94#kernels="kernel kernel.old" # Kernels to display in the boot menu 95kernels_autodetect="YES" # Auto-detect kernel directories in /boot 96#loader_logo="orbbw" # Desired logo: orbbw, orb, fbsdbw, beastiebw, beastie, none 97#comconsole_speed="9600" # Set the current serial console speed 98#console="vidconsole" # A comma separated list of console(s) 99#currdev="disk1s1a" # Set the current device 100module_path="/boot/modules;/boot/dtb;/boot/dtb/overlays" # Set the module search path 101module_blacklist="drm drm2 radeonkms i915kms amdgpu" # Loader module blacklist 102#prompt="\\${interpret}" # Set the command prompt 103#root_disk_unit="0" # Force the root disk unit number 104#rootdev="disk1s1a" # Set the root filesystem 105#dumpdev="disk1s1b" # Set a dump device early in the boot process 106#tftp.blksize="1428" # Set the RFC 2348 TFTP block size. 107 # If the TFTP server does not support RFC 2348, 108 # the block size is set to 512. Valid: (8,9007) 109#twiddle_divisor="1" # >1 means slow down the progress indicator. 110 111### Kernel settings ######################################## 112# The following boot_ variables are enabled by setting them to any value. 113# Their presence in the kernel environment (see kenv(1)) has the same 114# effect as setting the given boot flag (see boot(8)). 115#boot_askname="" # -a: Prompt the user for the name of the root device 116#boot_cdrom="" # -C: Attempt to mount root file system from CD-ROM 117#boot_ddb="" # -d: Instructs the kernel to start in the DDB debugger 118#boot_dfltroot="" # -r: Use the statically configured root file system 119#boot_gdb="" # -g: Selects gdb-remote mode for the kernel debugger 120#boot_multicons="" # -D: Use multiple consoles 121#boot_mute="" # -m: Mute the console 122#boot_pause="" # -p: Pause after each line during device probing 123#boot_serial="" # -h: Use serial console 124#boot_single="" # -s: Start system in single-user mode 125#boot_verbose="" # -v: Causes extra debugging information to be printed 126#init_path="/sbin/init:/sbin/oinit:/sbin/init.bak:/rescue/init" 127 # Sets the list of init candidates 128#init_shell="/bin/sh" # The shell binary used by init(8). 129#init_script="" # Initial script to run by init(8) before chrooting. 130#init_chroot="" # Directory for init(8) to chroot into. 131 132### Kernel tunables ######################################## 133#hw.physmem="1G" # Limit physical memory. See loader(8) 134#kern.dfldsiz="" # Set the initial data size limit 135#kern.dflssiz="" # Set the initial stack size limit 136#kern.hz="100" # Set the kernel interval timer rate 137#kern.maxbcache="" # Set the max buffer cache KVA storage 138#kern.maxdsiz="" # Set the max data size 139#kern.maxfiles="" # Set the sys. wide open files limit 140#kern.maxproc="" # Set the maximum # of processes 141#kern.maxssiz="" # Set the max stack size 142#kern.maxswzone="" # Set the max swmeta KVA storage 143#kern.maxtsiz="" # Set the max text size 144#kern.maxusers="32" # Set size of various static tables 145#kern.msgbufsize="65536" # Set size of kernel message buffer 146#kern.nbuf="" # Set the number of buffer headers 147#kern.ncallout="" # Set the maximum # of timer events 148#kern.ngroups="1023" # Set the maximum # of supplemental groups 149#kern.sgrowsiz="" # Set the amount to grow stack 150#kern.cam.boot_delay="10000" # Delay (in ms) of root mount for CAM bus 151 # registration, useful for USB sticks as root 152#kern.cam.scsi_delay="2000" # Delay (in ms) before probing SCSI 153#kern.ipc.maxsockets="" # Set the maximum number of sockets available 154#kern.ipc.nmbclusters="" # Set the number of mbuf clusters 155#kern.ipc.nsfbufs="" # Set the number of sendfile(2) bufs 156#net.inet.tcp.tcbhashsize="" # Set the value of TCBHASHSIZE 157#vfs.root.mountfrom="" # Specify root partition 158#vm.kmem_size="" # Sets the size of kernel memory (bytes) 159#debug.kdb.break_to_debugger="0" # Allow console to break into debugger. 160#debug.ktr.cpumask="0xf" # Bitmask of CPUs to enable KTR on 161#debug.ktr.mask="0x1200" # Bitmask of KTR events to enable 162#debug.ktr.verbose="1" # Enable console dump of KTR events 163 164### Module loading syntax example ########################## 165#module_load="YES" # loads module "module" 166#module_name="realname" # uses "realname" instead of "module" 167#module_type="type" # passes "-t type" to load 168#module_flags="flags" # passes "flags" to the module 169#module_before="cmd" # executes "cmd" before loading the module 170#module_after="cmd" # executes "cmd" after loading the module 171#module_error="cmd" # executes "cmd" if load fails 172
