2000-09-04 09:48:35 +04:00
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/* $Id: mmureg.h,v 1.4 2000/09/04 05:48:35 msaitoh Exp $ */
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/* $NetBSD: mmureg.h,v 1.4 2000/09/04 05:48:35 msaitoh Exp $ */
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1999-09-13 14:30:21 +04:00
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/*-
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* Copyright (C) 1999 SAITOH Masanobu. 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. 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SH3_MMUREG_H__
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#define _SH3_MMUREG_H__
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/*
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* MMU
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*/
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#if !defined(SH4)
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/* SH3 definitions */
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#define SHREG_PTEH (*(volatile unsigned long *) 0xFFFFFFF0)
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#define SHREG_PTEL (*(volatile unsigned long *) 0xFFFFFFF4)
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#define SHREG_TTB (*(volatile unsigned long *) 0xFFFFFFF8)
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#define SHREG_TEA (*(volatile unsigned long *) 0xFFFFFFFC)
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#define SHREG_MMUCR (*(volatile unsigned long *) 0xFFFFFFE0)
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#else
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/* SH4 definitions */
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#define SHREG_PTEH (*(volatile unsigned long *) 0xff000000)
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#define SHREG_PTEL (*(volatile unsigned long *) 0xff000004)
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#define SHREG_PTEA (*(volatile unsigned long *) 0xff000034)
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#define SHREG_TTB (*(volatile unsigned long *) 0xff000008)
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#define SHREG_TEA (*(volatile unsigned long *) 0xff00000c)
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#define SHREG_MMUCR (*(volatile unsigned long *) 0xff000010)
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#endif
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2000-03-20 23:30:33 +03:00
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#if !defined(SH4)
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/* SH3 definitions */
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#define MMUCR_AT 0x0001 /* address traslation enable */
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#define MMUCR_IX 0x0002 /* index mode */
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#define MMUCR_TF 0x0004 /* TLB flush */
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#define MMUCR_SV 0x0100 /* single virtual space mode */
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#else
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/* SH4 definitions */
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#define MMUCR_AT 0x0001 /* address traslation enable */
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#define MMUCR_TI 0x0004 /* TLB Invaliate */
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#define MMUCR_SV 0x0100 /* single virtual space mode */
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#define MMUCR_SQMD 0x0200 /* Store Queue mode */
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2000-09-04 09:48:35 +04:00
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#define MMUCR_VALIDBITS 0xfcfcff05 /* XXX */
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2000-03-20 23:30:33 +03:00
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/* alias */
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#define MMUCR_TF MMUCR_TI
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#endif
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1999-09-13 14:30:21 +04:00
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#ifdef _KERNEL
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extern int PageDirReg;
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#endif
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#endif /* !_SH3_MMUREG_H__ */
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