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Annotation of sys/arch/hppa/include/pte.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: pte.h,v 1.11 2002/09/05 18:41:19 mickey Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1990,1993,1994 The University of Utah and
        !             5:  * the Computer Systems Laboratory at the University of Utah (CSL).
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Permission to use, copy, modify and distribute this software is hereby
        !             9:  * granted provided that (1) source code retains these copyright, permission,
        !            10:  * and disclaimer notices, and (2) redistributions including binaries
        !            11:  * reproduce the notices in supporting documentation, and (3) all advertising
        !            12:  * materials mentioning features or use of this software display the following
        !            13:  * acknowledgement: ``This product includes software developed by the
        !            14:  * Computer Systems Laboratory at the University of Utah.''
        !            15:  *
        !            16:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        !            17:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
        !            18:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            19:  *
        !            20:  * CSL requests users of this software to return to csl-dist@cs.utah.edu any
        !            21:  * improvements that they make and grant CSL redistribution rights.
        !            22:  *
        !            23:  *     Utah $Hdr: pmap.h 1.24 94/12/14$
        !            24:  *     Author: Mike Hibler, Bob Wheeler, University of Utah CSL, 9/90
        !            25:  */
        !            26:
        !            27: #ifndef        _MACHINE_PTE_H_
        !            28: #define        _MACHINE_PTE_H_
        !            29:
        !            30: typedef        u_int32_t       pt_entry_t;
        !            31:
        !            32: #define        PTE_PROT_SHIFT  19
        !            33: #define        PTE_PROT(tlb)   ((tlb) >> PTE_PROT_SHIFT)
        !            34: #define        TLB_PROT(pte)   ((pte) << PTE_PROT_SHIFT)
        !            35: #define        PDE_MASK        (0xffc00000)
        !            36: #define        PDE_SIZE        (0x00400000)
        !            37: #define        PTE_MASK        (0x003ff000)
        !            38: #define        PTE_PAGE(pte)   ((pte) & ~PGOFSET)
        !            39:
        !            40: /* TLB access/protection values */
        !            41: #define TLB_WIRED      0x40000000      /* software only */
        !            42: #define TLB_REFTRAP    0x20000000
        !            43: #define TLB_DIRTY      0x10000000
        !            44: #define TLB_BREAK      0x08000000
        !            45: #define TLB_AR_MASK    0x07f00000
        !            46: #define        TLB_READ        0x00000000
        !            47: #define        TLB_WRITE       0x01000000
        !            48: #define        TLB_EXECUTE     0x02000000
        !            49: #define        TLB_GATEWAY     0x04000000
        !            50: #define        TLB_USER        0x00f00000
        !            51: #define                TLB_AR_NA       0x07300000
        !            52: #define                TLB_AR_R        TLB_READ
        !            53: #define                TLB_AR_RW       TLB_READ|TLB_WRITE
        !            54: #define                TLB_AR_RX       TLB_READ|TLB_EXECUTE
        !            55: #define                TLB_AR_RWX      TLB_READ|TLB_WRITE|TLB_EXECUTE
        !            56: #define TLB_UNCACHABLE 0x00080000
        !            57: #define TLB_PID_MASK   0x0000fffe
        !            58:
        !            59: #define        TLB_BITS        "\020\024U\031W\032X\033N\034B\035D\036R\037H"
        !            60:
        !            61: /* protection for a gateway page */
        !            62: #define TLB_GATE_PROT  0x04c00000
        !            63:
        !            64: /* protection for break page */
        !            65: #define TLB_BREAK_PROT 0x02c00000
        !            66:
        !            67: #endif /* _MACHINE_PTE_H_ */