1 /* $OpenBSD: kvm_powerpc64.c,v 1.3 2021/12/01 21:45:19 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Miodrag Vallat. 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice, this permission notice, and the disclaimer below 9 * appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <sys/types.h> 21 #include <sys/kcore.h> 22 23 #include <unistd.h> 24 #include <stdlib.h> 25 #include <nlist.h> 26 #include <kvm.h> 27 28 #include <db.h> 29 30 #include "kvm_private.h" 31 32 #include <machine/cpu.h> 33 #include <machine/kcore.h> 34 #include <machine/pte.h> 35 #include <machine/vmparam.h> 36 37 void 38 _kvm_freevtop(kvm_t *kd) 39 { 40 } 41 42 int 43 _kvm_initvtop(kvm_t *kd) 44 { 45 return (0); 46 } 47 48 /* 49 * Translate a kernel virtual address to a physical address by walking 50 * the kernel page tables. 51 */ 52 int 53 _kvm_kvatop(kvm_t *kd, u_long va, paddr_t *pa) 54 { 55 if (ISALIVE(kd)) { 56 _kvm_err(kd, 0, "vatop called in live kernel!"); 57 return (0); 58 } 59 60 _kvm_err(kd, 0, "%s not yet implemented", __func__); 61 *pa = (paddr_t)-1; 62 return (0); 63 } 64 65 /* 66 * Translate a physical address to a file offset in the crash dump. 67 */ 68 off_t 69 _kvm_pa2off(kvm_t *kd, paddr_t pa) 70 { 71 _kvm_err(kd, 0, "%s not yet implemented", __func__); 72 return (0); 73 } 74