1 /* $NetBSD: rump_generic_pmap.c,v 1.2 2014/02/12 22:30:45 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: rump_generic_pmap.c,v 1.2 2014/02/12 22:30:45 pooka Exp $"); 30 31 #include <sys/param.h> 32 33 #include <uvm/uvm_extern.h> 34 35 /* 36 * This is the MI pmap implementation for rump kernels. It's used only by 37 * architectures which do not conform to the kernel ABI. 38 */ 39 40 struct pmap *const kernel_pmap_ptr = (struct pmap *const)-1; 41 42 void 43 pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot, u_int fl) 44 { 45 46 panic("%s: unavailable", __func__); 47 } 48 49 void 50 pmap_kremove(vaddr_t va, vsize_t size) 51 { 52 53 panic("%s: unavailable", __func__); 54 } 55 56 int 57 pmap_enter(pmap_t pmap, vaddr_t va, paddr_t pa, vm_prot_t prot, u_int flags) 58 { 59 60 panic("%s: unavailable", __func__); 61 } 62 63 void 64 pmap_remove(pmap_t pmap, vaddr_t sva, vaddr_t eva) 65 { 66 67 panic("%s: unavailable", __func__); 68 } 69 70 bool 71 pmap_extract(pmap_t pmap, vaddr_t va, paddr_t *pap) 72 { 73 74 *pap = va; 75 return true; 76 } 77 78 void 79 pmap_page_protect(struct vm_page *pg, vm_prot_t prot) 80 { 81 82 /* nada */ 83 } 84 85 bool 86 pmap_clear_modify(struct vm_page *pg) 87 { 88 89 return false; 90 } 91