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The general parsing rules are:
All settings have the following format:
Unless it belongs to one of the classes of settings that receive special treatment, a setting will set the value of a loader(8) environment variable. The settings that receive special treatment are listed below. Settings beginning with "*" below define the modules to be loaded and may have any prefix; the prefix identifies a module. All such settings sharing a common prefix refer to the same module.
|exec||Immediately executes a loader(8) command. This type of setting cannot be processed by programs other than loader(8), so its use should be avoided. Multiple instances of it will be processed independently.|
|Defines additional configuration files to be processed right after the present file. loader_conf_files should be treated as write-only. One cannot depend on any value remaining in the loader environment or carried over into the kernel environment.|
|Name of the kernel to be loaded. If no kernel name is set, no additional modules will be loaded. The name must be a subdirectory of /boot that contains a kernel.|
|Flags to be passed to the kernel.|
Specify the root partition to mount.
loader(8) automatically calculates the value of this tunable from /etc/fstab from the partition the kernel was loaded from. The calculated value might be calculated incorrectly when /etc/fstab is not available during loader(8) startup (as during diskless booting from NFS), or if a different device is desired by the user. The preferred value can be set in /loader.conf.
The value can also be overridden from the loader(8) command line. This is useful for system recovery when /etc/fstab is damaged, lost, or read from the wrong partition.
|Protect boot menu with a password without interrupting autoboot process. The password should be in clear text format. If a password is set, boot menu will not appear until any key is pressed during countdown period specified by autoboot_delay variable or autoboot process fails. In both cases user should provide specified password to be able to access boot menu.|
|Provides a password to be required by check-password before execution is allowed to continue. The password should be in clear text format. If a password is set, the user must provide specified password to boot.|
|If set to "YES", module names will be displayed as they are loaded.|
|Blacklist of modules. Modules specified in the blacklist may not be loaded automatically with a *_load directive, but they may be loaded directly at the loader(8) prompt. Blacklisted modules may still be loaded indirectly as dependencies of other modules.|
|If set to "YES", that module will be loaded. If no name is defined (see below), the module's name is taken to be the same as the prefix.|
|Defines the name of the module.|
|Defines the module's type. If none is given, it defaults to a kld module.|
|Flags and parameters to be passed to the module.|
|Commands to be executed before the module is loaded. Use of this setting should be avoided.|
|Commands to be executed after the module is loaded. Use of this setting should be avoided.|
|Commands to be executed if the loading of a module fails. Except for the special value "abort", which aborts the bootstrap process, use of this setting should be avoided.|
WARNING: developers should never use these suffixes for any kernel environment variables (tunables) or conflicts will result.
|("NO") If set to "YES", a bitmap will be loaded to be displayed on screen while booting.|
|(" /boot/splash.bmp") Name of the bitmap to be loaded. Any other name can be used.|
|"( 9600" or the value of the BOOT_COMCONSOLE_SPEED variable when loader(8) was compiled). Sets the speed of the serial console. If the previous boot loader stage specified that a serial console is in use then the default speed is determined from the current serial port speed setting.|
|("vidconsole") "comconsole" selects serial console, "vidconsole" selects the video console, "nullconsole" selects a mute console (useful for systems with neither a video console nor a serial port), and "spinconsole" selects the video console which prevents any input and hides all output replacing it with "spinning" character (useful for embedded products and such).|
Specify the maximum desired resolution for the EFI console.
The following values are accepted:
|("kernel kernel.old") Space or comma separated list of kernels to present in the boot menu.|
|(" /boot/loader.conf /boot/loader.conf.local")|
|("NO") If set to "YES", will load the splash screen module, making it possible to display a bmp image on the screen while booting.|
|("NO") If set to "YES", will load the splash screen module, making it possible to display a pcx image on the screen while booting.|
|("NO") If set to "YES", the vesa module will be loaded, enabling bitmaps above VGA resolution to be displayed.|
|If set to "YES", the beastie boot menu will be skipped.|
|Selects a desired logo in the beastie boot menu. Possible values are: "orbbw", "orb", "fbsdbw", "beastiebw", "beastie", and "none".|
|If set to "NO", the beastie boot menu will be displayed without ANSI coloring.|
|("YES") If set to "NO", the very early boot-time entropy file will not be loaded. See the entropy entries in rc.conf(5).|
|("/boot/entropy") The name of the very early boot-time entropy cache file.|
|("NO") If set to "YES", the microcode update file specified by cpu_microcode_name will be loaded and applied very early during boot. This provides functionality similar to cpucontrol(8) but ensures that CPU features enabled by microcode updates can be used by the kernel. The update will be re-applied automatically when resuming from an ACPI sleep state. If the update file contains updates for multiple processor models, the kernel will search for and extract a matching update. Currently this setting is supported only on Intel i386 and amd64 processors. It has no effect on other processor types.|
|A path to a microcode update file.|
|Specifies a comma-delimited list of FDT overlays to apply. /boot/dtb/overlays is created by default for overlays to be placed in.|
|If set to "YES", attempt to auto-detect kernels installed in /boot. This is an option specific to the Lua-based loader. It is not available in the default Forth-based loader.|
|default settings -- do not change this file.|
|/boot/loader.conf||user defined settings.|
|/boot/loader.conf.local||machine-specific settings for sites with a common loader.conf.|
|LOADER.CONF (5)||April 29, 2020|
|Main index||Section 5||日本語||한국인||Options|