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/* $OpenBSD: cacheops_20.h,v 1.1 1997/07/06 07:46:23 downsj Exp $ */
/* $NetBSD: cacheops_20.h,v 1.1 1997/06/02 20:26:39 leo Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Leo Weppelman
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Invalidate entire TLB.
*/
void TBIA_20 __P((void));
extern inline void
TBIA_20()
{
__asm __volatile (" pflusha");
}
/*
* Invalidate any TLB entry for given VA (TB Invalidate Single)
*/
void TBIS_20 __P((void *));
extern inline void
TBIS_20(va)
void *va;
{
__asm __volatile (" pflushs #0,#0,%0@" : : "a" (va) );
}
/*
* Invalidate supervisor side of TLB
*/
void TBIAS_20 __P((void));
extern inline void
TBIAS_20()
{
__asm __volatile (" pflushs #4,#4");
}
/*
* Invalidate user side of TLB
*/
void TBIAU_20 __P((void));
extern inline void
TBIAU_20()
{
__asm __volatile (" pflushs #0,#4;");
}
/*
* Invalidate instruction cache
*/
void ICIA_20 __P((void));
extern inline void
ICIA_20()
{
__asm __volatile (" movc %0,cacr;" : : "d" (IC_CLEAR));
}
void ICPA_20 __P((void));
extern inline void
ICPA_20()
{
__asm __volatile (" movc %0,cacr;" : : "d" (IC_CLEAR));
}
/*
* Invalidate data cache.
* NOTE: we do not flush 68030/20 on-chip cache as there are no aliasing
* problems with DC_WA. The only cases we have to worry about are context
* switch and TLB changes, both of which are handled "in-line" in resume
* and TBI*.
*/
#define DCIA_20()
#define DCIS_20()
#define DCIU_20()
#define DCIAS_20()
void PCIA_20 __P((void));
extern inline void
PCIA_20()
{
__asm __volatile (" movc %0,cacr;" : : "d" (DC_CLEAR));
}
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