1.\" $NetBSD: cpu_configure.9,v 1.7 2015/03/23 13:40:34 riastradh 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 April 13, 2010 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 41The machine-dependent 42.Fn cpu_configure 43is called during system bootstrap to perform the machine-dependent 44portion of device autoconfiguration. 45It sets the configuration machinery in motion by finding the root bus 46.Pq Dq mainbus . 47When this function returns, interrupts must be enabled. 48.Pp 49The following tasks are performed by 50.Fn cpu_configure : 51.Bl -bullet -offset indent 52.It 53initialize soft interrupts (see 54.Xr softint 9 ) ; 55.It 56initialize 57.Tn CPU 58interrupts and 59.Tn SPLs 60(see 61.Xr spl 9 ) ; 62.It 63call 64.Fn config_rootfound 65for 66.Dq mainbus ; 67and 68.It 69complete any initialization deferred from 70.Xr cpu_startup 9 . 71.El 72.Sh SEE ALSO 73.Xr autoconf 9 , 74.Xr cpu_startup 9 75