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Diffstat (limited to 'sys/boot/forth/loader.4th.8')
-rw-r--r-- | sys/boot/forth/loader.4th.8 | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/sys/boot/forth/loader.4th.8 b/sys/boot/forth/loader.4th.8 new file mode 100644 index 0000000..15dfc1e --- /dev/null +++ b/sys/boot/forth/loader.4th.8 @@ -0,0 +1,182 @@ +.\" Copyright (c) 1999 Daniel C. Sobral +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $Id$ +.\" +.\" Note: The date here should be updated whenever a non-trivial +.\" change is made to the manual page. +.Dd April 25, 1999 +.Dt LOADER.4TH 8 +.Os +.Sh NAME +.Nm loader.4th +.Nd loader.conf processing tools +.Sh DESCRIPTION +The file that goes by the name of +.Nm +is a set of commands designed to manipulate +.Xr loader.conf 5 +files. The default +.Pa /boot/loader.rc +includes +.Nm +and uses one of it's commands to automatically read and process +the standard +.Xr loader.conf 5 +files. Other commands exists to help the user specify alternate +configurations. +.Pp +The commands of +.Nm +by themselves are not enough for most uses. Please refer to the +examples below for the most common situations, and to +.Xr loader 8 +for additional commands. +.Pp +Before using any of the commands provided in +.Nm , +it must be included +through the command: +.Pp +.Dl include loader.4th +.Pp +This line is present on the default +.Pa /boot/loader.rc +file, so it isn't needed (and should not be re-issued) in a normal setup. +.Pp +The commands provided by it are: +.Bl -tag -width disable-module_module -offset indent +.It Ic boot-conf +Boot as specified by the +.Xr loader.conf 5 +files read. It uses +.Ic autoboot , +so it can be stopped. +.It Ic start +Reads +.Pa /boot/defaults/loader.conf , +all other +.Xr loader.conf 5 +files specified in it, and then proceeds to boot as specified in them. This +is command used on the default +.Pa /boot/loader.rc +file, and it uses the +.Pa autoboot +command (see +.Xr loader 8 ), +so it can be stopped for further interaction with +.Xr loader 8 . +.It Ic read-conf Ar filename +Reads and processes a +.Xr loader.conf 5 +file. Does not proceeds to boot. +.It Ic enable-module Ar module +Enables the loading of +.Ar module . +.It Ic disable-module Ar module +Disables the loading of +.Ar module . +.It Ic toggle-module Ar module +Toggles the loading of +.Ar module +on and off. +.It Ic show-module Ar module +Shows the information gathered in the +.Xr loader.conf 5 +files about the module +.Ar module . +.It Ic retry +Used inside +.Xr loader.conf 5 +files to specify the action after a module loading fails. +.It Ic ignore +Used inside +.Xr loader.conf 5 +files to specify the action after a module loading fails. +.El +.Sh FILES +.Bl -tag -width /boot/loader.4th -compact +.It Pa /boot/loader +The +.Xr loader 8 . +.It Pa /boot/loader.4th +.Nm +itself. +.It Pa /boot/loader.rc +.Xr loader 8 +bootstrapping script. +.It Pa /boot/defaults/loader.conf +File loaded by the +.Ic start +command. +.El +.Sh EXAMPLES +Standard +.Pa /boot/loader.rc : +.Pp +.Bd -literal -offset indent -compact +include /boot/loader.4th +start +.Ed +.Pp +Loads a different kernel with the standard configuration: +.Pp +.Bd -literal -offset indent -compact +set kernel="kernel.old" +unload +boot-conf +.Ed +.Pp +Reads an additional configuration file and then proceeds to boot: +.Pp +.Bd -literal -offset indent -compact +unload +read-conf /boot/special.conf +boot-conf +.Ed +.Pp +Disable the loading of the splash screen module and bitmap and then +proceeds to boot: +.Pp +.Bd -literal -offset -indent -compact +unload +disable-module splash_bmp +disable-module bitmap +boot-conf +.Ed +.Pp +.Sh SEE ALSO +.Xr loader.conf 5 , +.Xr loader 8 +.Sh HISTORY +.Nm +first appeared in +.Fx 3.2 . +.Sh AUTHORS +.Nm +was written by +.An Daniel C. Sobral Aq dcs@freebsd.org . +.Sh BUGS +A british espionage series. + |