1 /* $NetBSD: pte.h,v 1.2 2002/08/11 22:29:09 fredette Exp $ */ 2 3 /* $OpenBSD: pte.h,v 1.8 2001/01/12 23:37:49 mickey Exp $ */ 4 5 /* 6 * Copyright (c) 1990,1993,1994 The University of Utah and 7 * the Computer Systems Laboratory at the University of Utah (CSL). 8 * All rights reserved. 9 * 10 * Permission to use, copy, modify and distribute this software is hereby 11 * granted provided that (1) source code retains these copyright, permission, 12 * and disclaimer notices, and (2) redistributions including binaries 13 * reproduce the notices in supporting documentation, and (3) all advertising 14 * materials mentioning features or use of this software display the following 15 * acknowledgement: ``This product includes software developed by the 16 * Computer Systems Laboratory at the University of Utah.'' 17 * 18 * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS 19 * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF 20 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 21 * 22 * CSL requests users of this software to return to csl-dist@cs.utah.edu any 23 * improvements that they make and grant CSL redistribution rights. 24 * 25 * Utah $Hdr: pmap.h 1.24 94/12/14$ 26 * Author: Mike Hibler, Bob Wheeler, University of Utah CSL, 9/90 27 */ 28 29 #ifndef _HPPA_PTE_H_ 30 #define _HPPA_PTE_H_ 31 32 /* TLB access/protection values */ 33 #define TLB_REF 0x80000000 /* software/HPT only */ 34 #define TLB_NO_RW_ALIAS 0x40000000 /* software only */ 35 #define TLB_TRAP 0x20000000 36 #define TLB_DIRTY 0x10000000 37 #define TLB_BREAK 0x08000000 38 #define TLB_AR_MASK 0x07f00000 39 #define TLB_AR_NA 0x07300000 40 #define TLB_AR_KR 0x00000000 41 #define TLB_AR_KRW 0x01000000 42 #define TLB_AR_KRX 0x02000000 43 #define TLB_AR_KRWX 0x03000000 44 #define TLB_AR_UR 0x00f00000 45 #define TLB_AR_URW 0x01f00000 46 #define TLB_AR_URX 0x02f00000 47 #define TLB_AR_URWX 0x03f00000 48 #define TLB_AR_WRITABLE(x) (((x) & 0x05000000) == 0x01000000) 49 #define TLB_UNCACHEABLE 0x00080000 50 #define TLB_UNMANAGED 0x00040000 /* software only */ 51 #define TLB_PID_MASK 0x0000fffe 52 #define TLB_WIRED 0x00000001 /* software only */ 53 54 #define TLB_BITS "\020\024U\031W\032X\033N\034B\035D\036T\037A\040R" 55 56 #define TLB_REF_POS 0 57 #define TLB_NO_RW_ALIAS_POS 1 58 #define TLB_TRAP_POS 2 59 #define TLB_DIRTY_POS 3 60 #define TLB_BREAK_POS 4 61 #define TLB_UNCACHEABLE_POS 12 62 #define TLB_UNMANAGED_POS 13 63 #define TLB_WIRED_POS 31 64 65 /* protection for a gateway page */ 66 #define TLB_GATE_PROT 0x04c00000 67 68 /* protection for break page */ 69 #define TLB_BREAK_PROT 0x02c00000 70 71 #endif /* _HPPA_PTE_H_ */ 72