Home | History | Annotate | Line # | Download | only in qbus
      1  1.17  ragge /*	$NetBSD: ubareg.h,v 1.17 2017/05/22 17:22:29 ragge Exp $	*/
      2   1.2    cgd 
      3  1.16  ragge /*
      4  1.16  ragge  * Copyright (c) 2000 Ludd, University of Lule}, Sweden. All rights reserved.
      5   1.1  ragge  *
      6   1.1  ragge  * Redistribution and use in source and binary forms, with or without
      7   1.1  ragge  * modification, are permitted provided that the following conditions
      8   1.1  ragge  * are met:
      9   1.1  ragge  * 1. Redistributions of source code must retain the above copyright
     10   1.1  ragge  *    notice, this list of conditions and the following disclaimer.
     11   1.1  ragge  * 2. Redistributions in binary form must reproduce the above copyright
     12   1.1  ragge  *    notice, this list of conditions and the following disclaimer in the
     13   1.1  ragge  *    documentation and/or other materials provided with the distribution.
     14   1.1  ragge  *
     15  1.16  ragge  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  1.16  ragge  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  1.16  ragge  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  1.16  ragge  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  1.16  ragge  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  1.16  ragge  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  1.16  ragge  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  1.16  ragge  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  1.16  ragge  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  1.16  ragge  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25   1.1  ragge  */
     26   1.1  ragge 
     27   1.1  ragge /*
     28  1.16  ragge  * UNIBUS/Qbus map table definitions. Not unlike VAX page tables.
     29  1.16  ragge  * This type of map table is used in more devices than Unibus devices.
     30  1.16  ragge  */
     31  1.16  ragge #define	UBA_V		0x80000000	/* PTE entry is valid */
     32  1.16  ragge #define	UBA_BDPMASK	0x01e00000	/* BDP entries */
     33  1.16  ragge #define	UBA_BDPSHIFT	21
     34  1.16  ragge #define	UBA_PFN		0x001fffff	/* PFN map */
     35  1.16  ragge 
     36  1.16  ragge #define	UBA_PGSHIFT	9
     37  1.16  ragge #define	UBA_NBPG	(1 << 9)	/* Size of a Unibus map page */
     38  1.16  ragge #define	UBA_PGOFSET	(UBA_NBPG - 1)
     39   1.1  ragge 
     40  1.16  ragge #define	UBAIOSIZE	(8*1024)	/* 8K I/O space */
     41   1.1  ragge 
     42