/* $NetBSD: bootoptions,v 1.3 1998/03/26 20:42:34 mark Exp $ */ /* * Copyright (c) 1996 Mark Brinicombe. * All rights reserved. * * 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. * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * RiscBSD kernel project * * bootoptions * * Description of all available boot options * * Created : 02/10/96 */ 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 (*) videdram= Specify video DRAM 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 Special development options hydra= Enable specified hydra slave processors (*) These options have their own fields in the bootloader configuration window. RC7500 Boot options -s Single user mode -a Prompt for root device -k KDB -m video memory size