1.\" $NetBSD: memswitch.8,v 1.2 2001/02/01 00:51:58 minoura 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.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\"/ 37.Dd June 21, 1999 38.Dt MEMSWITCH 8 x68k 39.Os 40.Sh NAME 41.Nm memswitch 42.Nd get or set x68k memory switch 43.Sh SYNOPSIS 44.Nm 45.Fl a 46.Nm "" 47.Op Fl h 48.Op Fl n 49.Ar variable ... 50.Nm "" 51.Fl w Ar variable=value ... 52.Nm "" 53.Fl r Ar filename 54.Nm "" 55.Fl s Ar filename 56.Sh DESCRIPTION 57The 58.Nm 59command gets or sets the x68k memory switch stored in the non-volatile 60static ram. 61.Pp 62The first form shows the current values of all the variables of the memory 63switch. 64.Pp 65The second form shows the current values of the specified variables. If the 66.Fl h 67flag is specified, a brief descriptions of the variables are displayed. 68The 69.Fl n 70flag suppresses printing of the variable name. 71.Pp 72The third form sets or modifies the specified variables to the given value. 73.Pp 74In the fourth and fifth form, the whole memory switch part of non-volatile 75SRAM is saved to, or restored from the specified file, respectively. 76.Sh FILES 77.Bl -tag -width /dev/sram 78.It Pa /dev/sram 79non-volatile static memory control device 80.El 81.Sh HISTORY 82The 83.Nm 84command first appeared in 85.Nx 1.5 . 86