bootoptions revision 1.1
11.1Sreinoud/* $NetBSD: bootoptions,v 1.1 2001/10/18 00:05:01 reinoud Exp $ */
21.1Sreinoud
31.1Sreinoud/*
41.1Sreinoud * Copyright (c) 1996 Mark Brinicombe.
51.1Sreinoud * All rights reserved.
61.1Sreinoud *
71.1Sreinoud * Redistribution and use in source and binary forms, with or without
81.1Sreinoud * modification, are permitted provided that the following conditions
91.1Sreinoud * are met:
101.1Sreinoud * 1. Redistributions of source code must retain the above copyright
111.1Sreinoud *    notice, this list of conditions and the following disclaimer.
121.1Sreinoud * 2. Redistributions in binary form must reproduce the above copyright
131.1Sreinoud *    notice, this list of conditions and the following disclaimer in the
141.1Sreinoud *    documentation and/or other materials provided with the distribution.
151.1Sreinoud * 3. All advertising materials mentioning features or use of this software
161.1Sreinoud *    must display the following acknowledgement:
171.1Sreinoud *	This product includes software developed by Mark Brinicombe.
181.1Sreinoud * 4. The name of the company nor the name of the author may be used to
191.1Sreinoud *    endorse or promote products derived from this software without specific
201.1Sreinoud *    prior written permission.
211.1Sreinoud *
221.1Sreinoud * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
231.1Sreinoud * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
241.1Sreinoud * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
251.1Sreinoud * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
261.1Sreinoud * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
271.1Sreinoud * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
281.1Sreinoud * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
291.1Sreinoud * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
301.1Sreinoud * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
311.1Sreinoud * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
321.1Sreinoud * SUCH DAMAGE.
331.1Sreinoud *
341.1Sreinoud * RiscBSD kernel project
351.1Sreinoud *
361.1Sreinoud * bootoptions
371.1Sreinoud *
381.1Sreinoud * Description of all available boot options
391.1Sreinoud *
401.1Sreinoud * Created      : 02/10/96
411.1Sreinoud * Updated	: 20/02/01
421.1Sreinoud */
431.1Sreinoud
441.1SreinoudThis file describes all the boot options available.
451.1Sreinoud
461.1SreinoudRiscPC Boot options
471.1Sreinoud
481.1Sreinoud Options for all kernels
491.1Sreinoud
501.1Sreinoud  nocache	Disable all processor caches
511.1Sreinoud  nowritebuf	Disable processor write buffer
521.1Sreinoud  fpaclk2	Clock FPA at half processor clock speed 
531.1Sreinoud  single	Single user mode 
541.1Sreinoud  kdb		KDB 
551.1Sreinoud  maxproc=	Specify the maximum in-core processes (L1 page tables)
561.1Sreinoud  ramdisc=	Specify ramdisc size in KB
571.1Sreinoud  nbuf=		Specify the number of buffers
581.1Sreinoud  nowdreset	Skip the wd driver drive reset command
591.1Sreinoud  ascpoll	Use polling mode rather than interrupt mode for the asc
601.1Sreinoud		driver
611.1Sreinoud  nbuf=		Specify the number of buffers to use.
621.1Sreinoud
631.1Sreinoud Options for StrongARM kernels
641.1Sreinoud
651.1Sreinoud  icache	Enable instruction cache
661.1Sreinoud  dcache	Enable data cache
671.1Sreinoud
681.1Sreinoud Special debugging options not for normal use
691.1Sreinoud
701.1Sreinoud  pmapdebug=	Specify pmap debug level 
711.1Sreinoud  termdebug	Enable console debugging
721.1Sreinoud  notermcls	Console debugging option
731.1Sreinoud
741.1SreinoudRC7500 Boot options
751.1Sreinoud
761.1Sreinoud -s		Single user mode
771.1Sreinoud -a		Prompt for root device
781.1Sreinoud -k		KDB
791.1Sreinoud -m		video memory size
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