1.\" $NetBSD: boot.8,v 1.22 2003/04/29 13:13:10 wiz Exp $ 2.\" 3.\" Copyright (c) 1992, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)boot_sparc.8 8.2 (Berkeley) 4/19/94 35.\" 36.Dd April 8, 2003 37.Dt BOOT 8 sparc 38.Os 39.Sh NAME 40.Nm boot 41.Nd 42system bootstrapping procedures 43.Sh SYNOPSIS 44.Nm boot 45.Op Fl adqsv 46.Oo 47.Ar -- 48.Aq Ar boot string 49.Oc 50.Sh DESCRIPTION 51.Ss Power fail and crash recovery 52Normally, the system will reboot itself at power-up or after crashes. 53An automatic consistency check of the file systems will be performed 54as described in 55.Xr fsck 8 , 56and unless this fails, the system will resume multi-user operations. 57.Ss Cold starts 58The 59.Nx 60boot 61.Pa netbsd 62from partition a of the boot device, 63which must currently be an 64.Dq sd 65disk. 66.Ss Boot program options 67.Bl -tag -width xxx 68.It Fl a 69Prompt for the root file system device, the system crash dump 70device, and the path to 71.Xr init 8 . 72.It Fl d 73Bring the system up in debug mode. 74Here it waits for a kernel debugger connect; see 75.Xr gdb 1 . 76.It Fl q 77Boot the system in quiet mode. 78.It Fl s 79Bring the system up in single-user mode. 80.It Fl v 81Boot the system in verbose mode. 82.El 83.Pp 84Any extra flags or arguments, or the 85.Aq Ar boot string 86after the -- separator are passed to the boot PROM. 87Other flags are currently ignored. 88.Pp 89The SPARC boot ROM comes in two flavours: an 90.Dq old-style 91ROM is used in sun4 machines, while a 92.Dq new-style 93ROM can be found on sun4c and sun4m models. 94The 95.Dq new-style 96SPARC boot ROM is a full-featured Forth system with emacs key bindings. 97It can be put in 98.Dq old-style 99user-interface compatibility mode (in which case it shows a simple 100.Sq \*[Gt] 101prompt), but this is essentially useless. 102However, by default the ROM runs in old-mode; to enter new-mode type 103.Sq n . 104The ROM then shows a Forth-style 105.Dq ok 106prompt. 107It is recommended to have the ROM always start in its native 108.Dq new-style 109mode. 110Utter the following incantation in new-mode to force the ROM to always start 111in new-mode. 112.Pp 113.Pa \ ok 114setenv sunmon-compat? false 115.Pp 116The ROM will normally load the kernel from 117.Dq sd(0,0,0)vmunix . 118To change the default so that 119.Nx 120will be loaded from somewhere else, type the following 121.Pp 122.Pa \ ok 123setenv boot-from sd(0,0,0)netbsd 124.Pp 125At any time you can break back to the ROM by pressing the 126.Sq L1 127and 128.Sq a 129keys at the same time (if the console is a serial port the same is 130achieved by sending a 131.Sq break ) . 132If you do this accidentally you can continue whatever was in progress 133by typing 134.Sq go . 135.Sh FILES 136.Bl -tag -width /netbsdxx -compact 137.It Pa /netbsd 138system code 139.It Pa /boot 140system bootstrap 141.El 142.Sh SEE ALSO 143.\" .Xr crash 8 , 144.Xr disklabel 8 , 145.Xr fsck 8 , 146.Xr halt 8 , 147.Xr init 8 , 148.Xr installboot 8 , 149.Xr rc 8 , 150.Xr shutdown 8 , 151.Xr syslogd 8 152