1.\" $NetBSD: cpu_configure.9,v 1.5 2008/04/30 13:10:58 martin Exp $ 2.\" 3.\" Copyright (c) 2002 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Gregory McGarry. 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.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd May 23, 2002 31.Dt CPU_CONFIGURE 9 32.Os 33.Sh NAME 34.Nm cpu_configure 35.Nd machine-dependent device autoconfiguration 36.Sh SYNOPSIS 37.In sys/systm.h 38.Ft void 39.Fn cpu_configure "void" 40.Sh DESCRIPTION 41.Fn cpu_configure 42is called during system bootstrap to perform the machine-dependent 43portion of device autoconfiguration. 44It sets the configuration machinery in motion by finding the root 45bus ("mainbus"). 46When this function returns, interrupts must be enabled. 47.Pp 48.Fn cpu_configure 49performs the following tasks: 50.Bl -bullet 51.It 52initialize soft interrupts (see 53.Xr softintr 9 ) 54.It 55initialize CPU interrupts and SPLs 56.It 57call 58.Fn config_rootfound 59for "mainbus" 60.It 61complete any initialization deferred from 62.Fn cpu_startup . 63.El 64.Sh SEE ALSO 65.Xr autoconf 9 , 66.Xr cpu_startup 9 67