1/* $NetBSD: kvm_sh3.c,v 1.7 2010/09/19 02:07:00 jym Exp $ */ 2 3/*- 4 * Copyright (c) 1989, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software developed by the Computer Systems 8 * Engineering group at Lawrence Berkeley Laboratory under DARPA contract 9 * BG 91-66 and contributed to Berkeley. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include <sys/cdefs.h> 37#if defined(LIBC_SCCS) && !defined(lint) 38#if 0 39static char sccsid[] = "@(#)kvm_hp300.c 8.1 (Berkeley) 6/4/93"; 40#else 41__RCSID("$NetBSD: kvm_sh3.c,v 1.7 2010/09/19 02:07:00 jym Exp $"); 42#endif 43#endif /* LIBC_SCCS and not lint */ 44 45/* 46 * SH3 machine dependent routines for kvm. 47 */ 48 49#include <sys/param.h> 50#include <sys/user.h> 51#include <sys/proc.h> 52#include <sys/stat.h> 53#include <sys/kcore.h> 54#include <sys/types.h> 55 56#include <stdlib.h> 57#include <unistd.h> 58#include <nlist.h> 59#include <kvm.h> 60 61#include <uvm/uvm_extern.h> 62 63#include <limits.h> 64#include <db.h> 65 66#include "kvm_private.h" 67 68#include <machine/pte.h> 69#include <machine/vmparam.h> 70 71#ifndef btop 72#define btop(x) (((unsigned)(x)) >> PGSHIFT) /* XXX */ 73#define ptob(x) ((caddr_t)((x) << PGSHIFT)) /* XXX */ 74#endif 75 76void 77_kvm_freevtop(kvm_t *kd) 78{ 79 80 /* Not actually used for anything right now, but safe. */ 81 if (kd->vmst != 0) 82 free(kd->vmst); 83} 84 85/*ARGSUSED*/ 86int 87_kvm_initvtop(kvm_t *kd) 88{ 89 90 return (0); 91} 92 93/* 94 * Translate a kernel virtual address to a physical address. 95 */ 96int 97_kvm_kvatop(kvm_t *kd, vaddr_t va, paddr_t *pa) 98{ 99 _kvm_err(kd, 0, "vatop not yet implemented!"); 100 return 0; 101} 102 103/* 104 * Translate a physical address to a file-offset in the crash dump. 105 */ 106off_t 107_kvm_pa2off(kvm_t *kd, paddr_t pa) 108{ 109 _kvm_err(kd, 0, "pa2off not yet implemented!"); 110 return 0; 111} 112 113/* 114 * Machine-dependent initialization for ALL open kvm descriptors, 115 * not just those for a kernel crash dump. Some architectures 116 * have to deal with these NOT being constants! (i.e. m68k) 117 */ 118int 119_kvm_mdopen(kvm_t *kd) 120{ 121 122 kd->usrstack = USRSTACK; 123 kd->min_uva = VM_MIN_ADDRESS; 124 kd->max_uva = VM_MAXUSER_ADDRESS; 125 126 return (0); 127} 128