1.\" $NetBSD: cpu_dumpconf.9,v 1.3 2002/10/14 13:43:19 wiz 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.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd May 24, 2002 38.Dt CPU_DUMPCONF 9 39.Os 40.Sh NAME 41.Nm cpu_dumpconf , 42.Nm cpu_dump , 43.Nm cpu_dumpsize , 44.Nm dumpsys 45.Nd machine-dependent kernel core dumps 46.Sh SYNOPSIS 47.Fd #include \*[Lt]sys/types.h\*[Gt] 48.Fd #include \*[Lt]sys/systm.h\*[Gt] 49.Ft void 50.Fn cpu_dumpconf "void" 51.Ft int 52.Fn cpu_dump "int (*dump)(dev_t, daddr_t, caddr_t, size_t)" "daddr_t *blknop" 53.Ft int 54.Fn cpu_dumpsize "void" 55.Ft void 56.Fn dumpsys "void" 57.Sh DESCRIPTION 58.Fn cpu_dumpconf 59is the machine-dependent interface invoked during system bootstrap to 60determine the dump device and initialize machine-dependent kernel core 61dump state. 62Internally, 63.Fn cpu_dumpconf 64will invoke 65.Fn cpu_dumpsize 66to calculate the size of machine-dependent kernel core dump headers. 67.Pp 68.Fn dumpsys 69is invoked by 70.Fn cpu_reboot 71to dump kernel physical memory onto the dump device. 72.Fn dumpsys 73invokes 74.Fn cpu_dump 75to write the machine-dependent header to the dump device at block number 76.Fa *blknop 77using the dump device's PIO dump routine specified by the 78.Fa dump 79argument. 80.Pp 81.Fn cpu_dumpsize , 82.Fn cpu_dump , 83and 84.Fn dumpsys 85are parts of the machine-dependent interface, however they are not 86exported to machine-independent code. 87.Sh SEE ALSO 88.Xr cpu_reboot 9 89