1 /* $NetBSD: kvm_powerpc.c,v 1.6 2001/08/05 03:33:15 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 34 /* 35 * PowerPC machine dependent routines for kvm. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/exec.h> 40 41 #include <uvm/uvm_extern.h> 42 43 #include <db.h> 44 #include <limits.h> 45 #include <kvm.h> 46 #include <stdlib.h> 47 48 #include "kvm_private.h" 49 50 void 51 _kvm_freevtop(kd) 52 kvm_t *kd; 53 { 54 if (kd->vmst != 0) 55 free(kd->vmst); 56 } 57 58 int 59 _kvm_initvtop(kd) 60 kvm_t *kd; 61 { 62 return 0; 63 } 64 65 int 66 _kvm_kvatop(kd, va, pa) 67 kvm_t *kd; 68 u_long va; 69 u_long *pa; 70 { 71 _kvm_err(kd, 0, "vatop not yet implemented!"); 72 return 0; 73 } 74 75 off_t 76 _kvm_pa2off(kd, pa) 77 kvm_t *kd; 78 u_long pa; 79 { 80 _kvm_err(kd, 0, "pa2off not yet implemented!"); 81 return 0; 82 } 83 84 /* 85 * Machine-dependent initialization for ALL open kvm descriptors, 86 * not just those for a kernel crash dump. Some architectures 87 * have to deal with these NOT being constants! (i.e. m68k) 88 */ 89 int 90 _kvm_mdopen(kd) 91 kvm_t *kd; 92 { 93 uintptr_t max_uva; 94 extern struct ps_strings *__ps_strings; 95 96 #if 0 /* XXX - These vary across powerpc machines... */ 97 kd->usrstack = USRSTACK; 98 kd->min_uva = VM_MIN_ADDRESS; 99 kd->max_uva = VM_MAXUSER_ADDRESS; 100 #endif 101 /* This is somewhat hack-ish, but it works. */ 102 max_uva = (uintptr_t) (__ps_strings + 1); 103 kd->usrstack = max_uva; 104 kd->max_uva = max_uva; 105 kd->min_uva = 0; 106 107 return (0); 108 } 109