1/* $NetBSD: pmap_x86.c,v 1.1 2010/06/16 11:45:21 pooka Exp $ */ 2 3/* 4 * Copyright (c) 2010 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29__KERNEL_RCSID(0, "$NetBSD: pmap_x86.c,v 1.1 2010/06/16 11:45:21 pooka Exp $"); 30 31#include <sys/param.h> 32 33#include <uvm/uvm_extern.h> 34 35static struct pmap thepmap; 36struct pmap *const kernel_pmap_ptr = &thepmap; 37 38void 39pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot, u_int fl) 40{ 41 42 panic("%s: unavailable", __func__); 43} 44 45void 46pmap_kremove(vaddr_t va, vsize_t size) 47{ 48 49 panic("%s: unavailable", __func__); 50} 51 52int 53pmap_enter(pmap_t pmap, vaddr_t va, paddr_t pa, vm_prot_t prot, u_int flags) 54{ 55 56 panic("%s: unavailable", __func__); 57} 58 59bool 60pmap_clear_attrs(struct vm_page *pg, unsigned what) 61{ 62 63 return false; 64} 65 66void 67pmap_page_remove(struct vm_page *pg) 68{ 69 70} 71 72bool 73pmap_test_attrs(struct vm_page *pg, unsigned what) 74{ 75 76 return true; 77} 78 79paddr_t 80vtophys(vaddr_t va) 81{ 82 83 return (paddr_t)va; 84} 85 86void 87pmap_update(pmap_t pmap) 88{ 89 90} 91 92void 93pmap_remove(pmap_t pmap, vaddr_t sva, vaddr_t eva) 94{ 95 96 panic("%s: unavailable", __func__); 97} 98 99bool 100pmap_extract(pmap_t pmap, vaddr_t va, paddr_t *pap) 101{ 102 103 *pap = va; 104 return true; 105} 106