134 lines
3.6 KiB
C
134 lines
3.6 KiB
C
/* $NetBSD: kvm_m68k.c,v 1.10 1997/03/21 18:44:23 gwr Exp $ */
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/*-
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* Copyright (c) 1997 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 Gordon W. Ross.
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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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/*
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* Run-time kvm dispatcher for m68k machines.
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* The actual MD code is in the files:
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* kvm_m68k_cmn.c kvm_sun3.c ...
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*
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* Note: This file has to build on ALL m68k machines,
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* so do NOT include any <machine/*.h> files here.
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <limits.h>
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#include <nlist.h>
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#include <kvm.h>
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#include <db.h>
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#include "kvm_private.h"
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#include "kvm_m68k.h"
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/* Could put this in struct vmstate, but this is easier. */
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static struct kvm_ops *ops;
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struct name_ops {
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char *name;
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struct kvm_ops *ops;
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};
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static struct name_ops optbl[] = {
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{ "amiga", &_kvm_ops_cmn },
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{ "atari", &_kvm_ops_cmn },
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{ "sun3", &_kvm_ops_sun3 },
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{ "sun3x", &_kvm_ops_sun3x },
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{ NULL, NULL },
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};
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/*
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* Prepare for translation of kernel virtual addresses into offsets
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* into crash dump files. This is where we do the dispatch work.
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*/
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int
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_kvm_initvtop(kd)
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kvm_t *kd;
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{
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char machine[256];
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int mib[2], len, rval;
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struct name_ops *nop;
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/* Which set of kvm functions should we use? */
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mib[0] = CTL_HW;
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mib[1] = HW_MACHINE;
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len = sizeof(machine);
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if (sysctl(mib, 2, machine, &len, NULL, 0) == -1)
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return (-1);
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for (nop = optbl; nop->name; nop++)
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if (!strcmp(machine, nop->name))
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goto found;
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_kvm_err(kd, 0, "%s: unknown machine!", machine);
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return (-1);
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found:
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ops = nop->ops;
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return ((ops->initvtop)(kd));
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}
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void
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_kvm_freevtop(kd)
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kvm_t *kd;
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{
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(ops->freevtop)(kd);
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}
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int
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_kvm_kvatop(kd, va, pap)
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kvm_t *kd;
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u_long va;
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u_long *pap;
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{
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return ((ops->kvatop)(kd, va, pap));
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}
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off_t
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_kvm_pa2off(kd, pa)
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kvm_t *kd;
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u_long pa;
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{
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return ((ops->pa2off)(kd, pa));
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}
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