/*      $NetBSD: kvm_sh3.c,v 1.10 2022/01/10 19:51:30 christos Exp $    */

/*-
* Copyright (c) 1989, 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software developed by the Computer Systems
* Engineering group at Lawrence Berkeley Laboratory under DARPA contract
* BG 91-66 and contributed to Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)kvm_hp300.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: kvm_sh3.c,v 1.10 2022/01/10 19:51:30 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */

/*
* SH3 machine dependent routines for kvm.
*/

#include <sys/param.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/kcore.h>
#include <sys/types.h>

#include <stdlib.h>
#include <unistd.h>
#include <nlist.h>
#include <kvm.h>

#include <uvm/uvm_extern.h>

#include <limits.h>
#include <db.h>

#include "kvm_private.h"

#include <machine/pte.h>
#include <machine/vmparam.h>

#ifndef btop
#define btop(x)         (((unsigned)(x)) >> PGSHIFT)    /* XXX */
#define ptob(x)         ((caddr_t)((x) << PGSHIFT))     /* XXX */
#endif

void
_kvm_freevtop(kvm_t *kd)
{

       /* Not actually used for anything right now, but safe. */
       if (kd->vmst != 0)
               free(kd->vmst);
}

/*ARGSUSED*/
int
_kvm_initvtop(kvm_t *kd)
{

       return (0);
}

/*
* Translate a kernel virtual address to a physical address.
*/
int
_kvm_kvatop(kvm_t *kd, vaddr_t va, paddr_t *pa)
{
       _kvm_err(kd, 0, "vatop not yet implemented!");
       return 0;
}

/*
* Translate a physical address to a file-offset in the crash dump.
*/
off_t
_kvm_pa2off(kvm_t *kd, paddr_t pa)
{
       _kvm_err(kd, 0, "pa2off not yet implemented!");
       return 0;
}

/*
* Machine-dependent initialization for ALL open kvm descriptors,
* not just those for a kernel crash dump.  Some architectures
* have to deal with these NOT being constants!  (i.e. m68k)
*/
int
_kvm_mdopen(kvm_t *kd)
{

       kd->min_uva = VM_MIN_ADDRESS;
       kd->max_uva = VM_MAXUSER_ADDRESS;

       return (0);
}