xref: /netbsd-src/sys/arch/hppa/hppa/hpt.h (revision 3908bc50d05551e702474ee6fbbb5a8ea23ea0d4)
1 /*	$NetBSD: hpt.h,v 1.6 2019/04/15 20:45:08 skrll Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Matthew Fredette.
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 /*	$OpenBSD: pmap.h,v 1.14 2001/05/09 15:31:24 art Exp $	*/
33 
34 /*
35  * Copyright (c) 1998,1999 Michael Shalayeff
36  * All rights reserved.
37  *
38  * Redistribution and use in source and binary forms, with or without
39  * modification, are permitted provided that the following conditions
40  * are met:
41  * 1. Redistributions of source code must retain the above copyright
42  *    notice, this list of conditions and the following disclaimer.
43  * 2. Redistributions in binary form must reproduce the above copyright
44  *    notice, this list of conditions and the following disclaimer in the
45  *    documentation and/or other materials provided with the distribution.
46  *
47  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
51  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
52  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
53  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
55  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
56  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
57  * THE POSSIBILITY OF SUCH DAMAGE.
58  */
59 /*
60  * Copyright 1996 1995 by Open Software Foundation, Inc.
61  *              All Rights Reserved
62  *
63  * Permission to use, copy, modify, and distribute this software and
64  * its documentation for any purpose and without fee is hereby granted,
65  * provided that the above copyright notice appears in all copies and
66  * that both the copyright notice and this permission notice appear in
67  * supporting documentation.
68  *
69  * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
70  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
71  * FOR A PARTICULAR PURPOSE.
72  *
73  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
74  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
75  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
76  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
77  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
78  */
79 /*
80  * Copyright (c) 1990,1993,1994 The University of Utah and
81  * the Computer Systems Laboratory at the University of Utah (CSL).
82  * All rights reserved.
83  *
84  * Permission to use, copy, modify and distribute this software is hereby
85  * granted provided that (1) source code retains these copyright, permission,
86  * and disclaimer notices, and (2) redistributions including binaries
87  * reproduce the notices in supporting documentation, and (3) all advertising
88  * materials mentioning features or use of this software display the following
89  * acknowledgement: ``This product includes software developed by the
90  * Computer Systems Laboratory at the University of Utah.''
91  *
92  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
93  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
94  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
95  *
96  * CSL requests users of this software to return to csl-dist@cs.utah.edu any
97  * improvements that they make and grant CSL redistribution rights.
98  *
99  * 	Utah $Hdr: pmap.h 1.24 94/12/14$
100  *	Author: Mike Hibler, Bob Wheeler, University of Utah CSL, 9/90
101  */
102 
103 /*
104  *	Pmap header for hppa.
105  */
106 
107 /*
108  * HPT structure as used in the 7100LC/7300LC hardware TLB walker.
109  *
110  */
111 struct hpt_entry {
112 	u_int	hpt_valid:1,	/* Valid bit */
113 		hpt_vpn:15,	/* Virtual Page Number */
114 		hpt_space:16;	/* Space ID */
115 	u_int	hpt_tlbprot;	/* prot/access rights (for TLB load) */
116 	u_int	hpt_tlbpage;	/* physical page (<<5 for TLB load) */
117 	struct pv_entry	*hpt_next;	/* Pointer to associated hash list */
118 };
119