NetBSD-5.0.2/sys/arch/acorn32/doc/bootoptions

/* $NetBSD: bootoptions,v 1.1 2001/10/18 00:05:01 reinoud Exp $ */

/*
 * Copyright (c) 1996 Mark Brinicombe.
 * All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Mark Brinicombe.
 * 4. The name of the company nor the name of the author may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission.
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 *
 * RiscBSD kernel project
 *
 * bootoptions
 *
 * Description of all available boot options
 *
 * Created      : 02/10/96
 * Updated	: 20/02/01
 */

This file describes all the boot options available.

RiscPC Boot options

 Options for all kernels

  nocache	Disable all processor caches
  nowritebuf	Disable processor write buffer
  fpaclk2	Clock FPA at half processor clock speed 
  single	Single user mode 
  kdb		KDB 
  maxproc=	Specify the maximum in-core processes (L1 page tables)
  ramdisc=	Specify ramdisc size in KB
  nbuf=		Specify the number of buffers
  nowdreset	Skip the wd driver drive reset command
  ascpoll	Use polling mode rather than interrupt mode for the asc
		driver
  nbuf=		Specify the number of buffers to use.

 Options for StrongARM kernels

  icache	Enable instruction cache
  dcache	Enable data cache

 Special debugging options not for normal use

  pmapdebug=	Specify pmap debug level 
  termdebug	Enable console debugging
  notermcls	Console debugging option

RC7500 Boot options

 -s		Single user mode
 -a		Prompt for root device
 -k		KDB
 -m		video memory size