1 /* $NetBSD: pmap.h,v 1.1 2014/09/03 19:34:26 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _OR1K_PMAP_H_ 33 #define _OR1K_PMAP_H_ 34 35 #include <sys/types.h> 36 #include <sys/pool.h> 37 38 #include <uvm/pmap/pmap_pv.h> 39 #include <uvm/uvm_pglist.h> 40 41 #define PMAP_GROWKERNEL 42 #define PMAP_STEAL_MEMORY 43 44 struct pmap { 45 struct pool *pm_pvpool; 46 struct pglist pm_pglist; 47 uint16_t pm_asid; 48 pmap_pv_info_t pm_pvinfo; 49 struct pmap_statistics pm_stats; 50 }; 51 52 #define __HAVE_VM_PAGE_MD 53 54 struct vm_page_md { 55 uint32_t mdpg_attrs; 56 #define VM_PAGE_MD_MODIFIED 0x01 57 #define VM_PAGE_MD_REFERENCED 0x02 58 #define VM_PAGE_MD_EXECUTABLE 0x04 59 vm_page_pv_info_t mdpg_pv; 60 }; 61 62 #define VM_MDPAGE_INIT(pg) \ 63 do { \ 64 (pg)->mdpage.mdpg_attrs = 0; \ 65 VM_MDPAGE_PV_INIT(pg); \ 66 } while (/*CONSTCOND*/ 0) 67 68 #endif /* !_OR1K_PMAP_H_ */ 69