NetBSD/usr.sbin/memswitch/memswitch.8

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.\" $NetBSD: memswitch.8,v 1.4 2008/04/30 13:11:02 martin Exp $
.\"
.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Minoura Makoto.
.\"
.\" 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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
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.\"/
2001-02-01 03:51:58 +03:00
.Dd June 21, 1999
.Dt MEMSWITCH 8 x68k
.Os
.Sh NAME
.Nm memswitch
.Nd get or set x68k memory switch
.Sh SYNOPSIS
.Nm
.Fl a
.Nm
.Op Fl h
.Op Fl n
.Ar variable ...
.Nm
.Fl w Ar variable=value ...
.Nm
.Fl r Ar filename
.Nm
.Fl s Ar filename
.Sh DESCRIPTION
The
.Nm
command gets or sets the x68k memory switch stored in the non-volatile
static ram.
.Pp
The first form shows the current values of all the variables of the memory
switch.
.Pp
The second form shows the current values of the specified variables. If the
.Fl h
flag is specified, a brief descriptions of the variables are displayed.
The
.Fl n
flag suppresses printing of the variable name.
.Pp
The third form sets or modifies the specified variables to the given value.
.Pp
In the fourth and fifth form, the whole memory switch part of non-volatile
SRAM is saved to, or restored from the specified file, respectively.
.Sh FILES
.Bl -tag -width /dev/sram
.It Pa /dev/sram
non-volatile static memory control device
.El
.Sh HISTORY
The
.Nm
command first appeared in
.Nx 1.5 .