1.\" $NetBSD: memswitch.8,v 1.4 2008/04/30 13:11:02 martin Exp $ 2.\" 3.\" Copyright (c) 1999 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Minoura Makoto. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\"/ 30.Dd June 21, 1999 31.Dt MEMSWITCH 8 x68k 32.Os 33.Sh NAME 34.Nm memswitch 35.Nd get or set x68k memory switch 36.Sh SYNOPSIS 37.Nm 38.Fl a 39.Nm 40.Op Fl h 41.Op Fl n 42.Ar variable ... 43.Nm 44.Fl w Ar variable=value ... 45.Nm 46.Fl r Ar filename 47.Nm 48.Fl s Ar filename 49.Sh DESCRIPTION 50The 51.Nm 52command gets or sets the x68k memory switch stored in the non-volatile 53static ram. 54.Pp 55The first form shows the current values of all the variables of the memory 56switch. 57.Pp 58The second form shows the current values of the specified variables. If the 59.Fl h 60flag is specified, a brief descriptions of the variables are displayed. 61The 62.Fl n 63flag suppresses printing of the variable name. 64.Pp 65The third form sets or modifies the specified variables to the given value. 66.Pp 67In the fourth and fifth form, the whole memory switch part of non-volatile 68SRAM is saved to, or restored from the specified file, respectively. 69.Sh FILES 70.Bl -tag -width /dev/sram 71.It Pa /dev/sram 72non-volatile static memory control device 73.El 74.Sh HISTORY 75The 76.Nm 77command first appeared in 78.Nx 1.5 . 79