48 lines
2.2 KiB
C
48 lines
2.2 KiB
C
/* $NetBSD: ubareg.h,v 1.16 2000/04/30 11:46:03 ragge Exp $ */
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/*
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* Copyright (c) 2000 Ludd, University of Lule}, Sweden. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* UNIBUS/Qbus map table definitions. Not unlike VAX page tables.
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* This type of map table is used in more devices than Unibus devices.
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*/
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#define UBA_V 0x80000000 /* PTE entry is valid */
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#define UBA_BDPMASK 0x01e00000 /* BDP entries */
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#define UBA_BDPSHIFT 21
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#define UBA_PFN 0x001fffff /* PFN map */
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#define UBA_PGSHIFT 9
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#define UBA_NBPG (1 << 9) /* Size of a Unibus map page */
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#define UBA_PGOFSET (UBA_NBPG - 1)
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#define UBAIOSIZE (8*1024) /* 8K I/O space */
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