115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/* $NetBSD: cacheops_30.h,v 1.6 2002/11/03 01:34:42 chs Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Leo Weppelman
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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 by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Invalidate entire TLB.
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*/
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static __inline void __attribute__((__unused__))
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TBIA_30(void)
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{
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int tmp = DC_CLEAR;
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__asm __volatile (" pflusha;"
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" movc %0,%%cacr" : : "d" (tmp));
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}
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/*
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* Invalidate any TLB entry for given VA (TB Invalidate Single)
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*/
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static __inline void __attribute__((__unused__))
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TBIS_30(vaddr_t va)
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{
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__asm __volatile (" pflush #0,#0,%0@;"
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" movc %1,%%cacr" : : "a" (va), "d" (DC_CLEAR));
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}
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/*
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* Invalidate supervisor side of TLB
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*/
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static __inline void __attribute__((__unused__))
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TBIAS_30(void)
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{
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__asm __volatile (" pflush #4,#4;"
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" movc %0,%%cacr;" :: "d" (DC_CLEAR));
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}
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/*
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* Invalidate user side of TLB
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*/
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static __inline void __attribute__((__unused__))
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TBIAU_30(void)
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{
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__asm __volatile (" pflush #0,#4;"
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" movc %0,%%cacr;" :: "d" (DC_CLEAR));
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}
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/*
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* Invalidate instruction cache
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*/
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static __inline void __attribute__((__unused__))
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ICIA_30(void)
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{
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__asm __volatile (" movc %0,%%cacr;" : : "d" (IC_CLEAR));
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}
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static __inline void __attribute__((__unused__))
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ICPA_30(void)
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{
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__asm __volatile (" movc %0,%%cacr;" : : "d" (IC_CLEAR));
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}
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/*
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* Invalidate data cache.
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* NOTE: we do not flush 68030/20 on-chip cache as there are no aliasing
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* problems with DC_WA. The only cases we have to worry about are context
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* switch and TLB changes, both of which are handled "in-line" in resume
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* and TBI*.
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*/
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#define DCIA_30()
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#define DCIS_30()
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#define DCIU_30()
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#define DCIAS_30(va)
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#define DCFA_30()
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#define DCPA_30()
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static __inline void __attribute__((__unused__))
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PCIA_30(void)
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{
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__asm __volatile (" movc %0,%%cacr;" : : "d" (DC_CLEAR));
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}
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