1 /* $NetBSD: kvm_sh3.c,v 1.6 2003/08/07 16:44:39 agc 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 39 static char sccsid[] = "@(#)kvm_hp300.c 8.1 (Berkeley) 6/4/93"; 40 #else 41 __RCSID("$NetBSD: kvm_sh3.c,v 1.6 2003/08/07 16:44:39 agc 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 <stdlib.h> 55 #include <unistd.h> 56 #include <nlist.h> 57 #include <kvm.h> 58 59 #include <uvm/uvm_extern.h> 60 61 #include <limits.h> 62 #include <db.h> 63 64 #include "kvm_private.h" 65 66 #include <machine/pte.h> 67 #include <machine/vmparam.h> 68 69 #ifndef btop 70 #define btop(x) (((unsigned)(x)) >> PGSHIFT) /* XXX */ 71 #define ptob(x) ((caddr_t)((x) << PGSHIFT)) /* XXX */ 72 #endif 73 74 void 75 _kvm_freevtop(kd) 76 kvm_t *kd; 77 { 78 79 /* Not actually used for anything right now, but safe. */ 80 if (kd->vmst != 0) 81 free(kd->vmst); 82 } 83 84 /*ARGSUSED*/ 85 int 86 _kvm_initvtop(kd) 87 kvm_t *kd; 88 { 89 90 return (0); 91 } 92 93 /* 94 * Translate a kernel virtual address to a physical address. 95 */ 96 int 97 _kvm_kvatop(kd, va, pa) 98 kvm_t *kd; 99 u_long va; 100 u_long *pa; 101 { 102 _kvm_err(kd, 0, "vatop not yet implemented!"); 103 return 0; 104 } 105 106 /* 107 * Translate a physical address to a file-offset in the crash dump. 108 */ 109 off_t 110 _kvm_pa2off(kd, pa) 111 kvm_t *kd; 112 u_long pa; 113 { 114 _kvm_err(kd, 0, "pa2off not yet implemented!"); 115 return 0; 116 } 117 118 /* 119 * Machine-dependent initialization for ALL open kvm descriptors, 120 * not just those for a kernel crash dump. Some architectures 121 * have to deal with these NOT being constants! (i.e. m68k) 122 */ 123 int 124 _kvm_mdopen(kd) 125 kvm_t *kd; 126 { 127 128 kd->usrstack = USRSTACK; 129 kd->min_uva = VM_MIN_ADDRESS; 130 kd->max_uva = VM_MAXUSER_ADDRESS; 131 132 return (0); 133 } 134