2002-10-14 17:43:14 +04:00
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.\" $NetBSD: cpu_dumpconf.9,v 1.3 2002/10/14 13:43:19 wiz Exp $
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2002-05-25 06:16:35 +04:00
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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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 May 24, 2002
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.Dt CPU_DUMPCONF 9
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.Os
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.Sh NAME
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.Nm cpu_dumpconf ,
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.Nm cpu_dump ,
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.Nm cpu_dumpsize ,
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.Nm dumpsys
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.Nd machine-dependent kernel core dumps
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.Sh SYNOPSIS
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.Fd #include \*[Lt]sys/types.h\*[Gt]
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.Fd #include \*[Lt]sys/systm.h\*[Gt]
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.Ft void
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.Fn cpu_dumpconf "void"
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.Ft int
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.Fn cpu_dump "int (*dump)(dev_t, daddr_t, caddr_t, size_t)" "daddr_t *blknop"
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.Ft int
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.Fn cpu_dumpsize "void"
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.Ft void
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.Fn dumpsys "void"
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.Sh DESCRIPTION
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.Fn cpu_dumpconf
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is the machine-dependent interface invoked during system bootstrap to
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2002-05-25 15:08:21 +04:00
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determine the dump device and initialize machine-dependent kernel core
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dump state.
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Internally,
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.Fn cpu_dumpconf
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will invoke
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.Fn cpu_dumpsize
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to calculate the size of machine-dependent kernel core dump headers.
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.Pp
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.Fn dumpsys
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is invoked by
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.Fn cpu_reboot
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to dump kernel physical memory onto the dump device.
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.Fn dumpsys
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invokes
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.Fn cpu_dump
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to write the machine-dependent header to the dump device at block number
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.Fa *blknop
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using the dump device's PIO dump routine specified by the
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.Fa dump
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argument.
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.Pp
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.Fn cpu_dumpsize ,
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.Fn cpu_dump ,
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and
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.Fn dumpsys
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are parts of the machine-dependent interface, however they are not
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exported to machine-independent code.
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.Sh SEE ALSO
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.Xr cpu_reboot 9
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