1 /* $NetBSD: kvm_arm.c,v 1.2 2001/07/16 05:45:52 matt Exp $ */ 2 3 /*- 4 * Copyright (C) 1996 Wolfgang Solfrank. 5 * Copyright (C) 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * from: kvm_powerpc.c,v 1.3 1997/09/19 04:00:23 thorpej Exp 34 */ 35 36 /* 37 * arm32 machine dependent routines for kvm. 38 */ 39 40 #include <sys/param.h> 41 42 #include <sys/exec.h> 43 44 #include <stdlib.h> 45 #include <db.h> 46 #include <limits.h> 47 #include <kvm.h> 48 49 #include "kvm_private.h" 50 51 void 52 _kvm_freevtop(kd) 53 kvm_t *kd; 54 { 55 if (kd->vmst != 0) 56 free(kd->vmst); 57 } 58 59 int 60 _kvm_initvtop(kd) 61 kvm_t *kd; 62 { 63 return 0; 64 } 65 66 int 67 _kvm_kvatop(kd, va, pa) 68 kvm_t *kd; 69 u_long va; 70 u_long *pa; 71 { 72 _kvm_err(kd, 0, "vatop not yet implemented!"); 73 return 0; 74 } 75 76 off_t 77 _kvm_pa2off(kd, pa) 78 kvm_t *kd; 79 u_long pa; 80 { 81 _kvm_err(kd, 0, "pa2off not yet implemented!"); 82 return 0; 83 } 84 85 /* 86 * Machine-dependent initialization for ALL open kvm descriptors, 87 * not just those for a kernel crash dump. Some architectures 88 * have to deal with these NOT being constants! (i.e. arm) 89 */ 90 int 91 _kvm_mdopen(kd) 92 kvm_t *kd; 93 { 94 uintptr_t max_uva; 95 extern struct ps_strings *__ps_strings; 96 97 #if 0 /* XXX - These vary across arm machines... */ 98 kd->usrstack = USRSTACK; 99 kd->min_uva = VM_MIN_ADDRESS; 100 kd->max_uva = VM_MAXUSER_ADDRESS; 101 #endif 102 /* This is somewhat hack-ish, but it works. */ 103 max_uva = (uintptr_t) (__ps_strings + 1); 104 kd->usrstack = max_uva; 105 kd->max_uva = max_uva; 106 kd->min_uva = 0; 107 108 return (0); 109 } 110