75 lines
2.4 KiB
Groff
75 lines
2.4 KiB
Groff
.\" $NetBSD: cpu_configure.9,v 1.6 2010/04/13 12:04:25 jruoho Exp $
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.\"
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.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Gregory McGarry.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd April 13, 2010
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.Dt CPU_CONFIGURE 9
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.Os
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.Sh NAME
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.Nm cpu_configure
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.Nd machine-dependent device autoconfiguration
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.Sh SYNOPSIS
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.In sys/systm.h
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.Ft void
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.Fn cpu_configure "void"
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.Sh DESCRIPTION
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The machine-dependent
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.Fn cpu_configure
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is called during system bootstrap to perform the machine-dependent
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portion of device autoconfiguration.
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It sets the configuration machinery in motion by finding the root bus
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.Pq Dq mainbus .
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When this function returns, interrupts must be enabled.
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.Pp
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The following tasks are performed by
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.Fn cpu_configure :
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.Bl -bullet -offset indent
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.It
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initialize soft interrupts (see
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.Xr softintr 9 ) ;
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.It
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initialize
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.Tn CPU
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interrupts and
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.Tn SPLs
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(see
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.Xr spl 9 ) ;
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.It
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call
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.Fn config_rootfound
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for
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.Dq mainbus ;
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and
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.It
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complete any initialization deferred from
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.Xr cpu_startup 9 .
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.El
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.Sh SEE ALSO
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.Xr autoconf 9 ,
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.Xr cpu_startup 9
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