NetBSD/sys/arch/sh3/include/mmureg.h

87 lines
2.9 KiB
C

/* $Id: mmureg.h,v 1.3 2000/03/20 20:30:33 msaitoh Exp $ */
/* $NetBSD: mmureg.h,v 1.3 2000/03/20 20:30:33 msaitoh Exp $ */
/*-
* Copyright (C) 1999 SAITOH Masanobu. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SH3_MMUREG_H__
#define _SH3_MMUREG_H__
/*
* MMU
*/
#if !defined(SH4)
/* SH3 definitions */
#define SHREG_PTEH (*(volatile unsigned long *) 0xFFFFFFF0)
#define SHREG_PTEL (*(volatile unsigned long *) 0xFFFFFFF4)
#define SHREG_TTB (*(volatile unsigned long *) 0xFFFFFFF8)
#define SHREG_TEA (*(volatile unsigned long *) 0xFFFFFFFC)
#define SHREG_MMUCR (*(volatile unsigned long *) 0xFFFFFFE0)
#else
/* SH4 definitions */
#define SHREG_PTEH (*(volatile unsigned long *) 0xff000000)
#define SHREG_PTEL (*(volatile unsigned long *) 0xff000004)
#define SHREG_PTEA (*(volatile unsigned long *) 0xff000034)
#define SHREG_TTB (*(volatile unsigned long *) 0xff000008)
#define SHREG_TEA (*(volatile unsigned long *) 0xff00000c)
#define SHREG_MMUCR (*(volatile unsigned long *) 0xff000010)
#endif
#if !defined(SH4)
/* SH3 definitions */
#define MMUCR_AT 0x0001 /* address traslation enable */
#define MMUCR_IX 0x0002 /* index mode */
#define MMUCR_TF 0x0004 /* TLB flush */
#define MMUCR_SV 0x0100 /* single virtual space mode */
#else
/* SH4 definitions */
#define MMUCR_AT 0x0001 /* address traslation enable */
#define MMUCR_TI 0x0004 /* TLB Invaliate */
#define MMUCR_SV 0x0100 /* single virtual space mode */
#define MMUCR_SQMD 0x0200 /* Store Queue mode */
/* alias */
#define MMUCR_TF MMUCR_TI
#endif
#ifdef _KERNEL
extern int PageDirReg;
#endif
#endif /* !_SH3_MMUREG_H__ */