93 lines
3.3 KiB
C
93 lines
3.3 KiB
C
/* $NetBSD: cacheops.h,v 1.6 2003/03/13 13:44:17 scw Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Steve C. Woodford for Wasabi Systems, Inc.
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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 for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* 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 WASABI SYSTEMS, INC
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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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#ifndef __SH5_CACHEOPS_H
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#define __SH5_CACHEOPS_H
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/*
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* The SH5 architecture manual specifies that the cacheops always operate
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* on a cacheline size of 32. I'm not sure if this will always be the
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* case, but for now let's believe the docs.
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*/
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#define SH5_CACHELINE_SIZE 32
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struct sh5_cache_info {
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u_int size;
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u_char type;
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u_char write;
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u_short line_size;
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u_short nways;
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u_short nsets;
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};
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#define SH5_CACHE_INFO_TYPE_NONE 0
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#define SH5_CACHE_INFO_TYPE_VIVT 1
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#define SH5_CACHE_INFO_TYPE_VIPT 2
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#define SH5_CACHE_INFO_TYPE_PI 3
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#define SH5_CACHE_INFO_WRITE_NONE 0
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#define SH5_CACHE_INFO_WRITE_THRU 1
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#define SH5_CACHE_INFO_WRITE_BACK 2
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struct sh5_cache_ops {
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void (*dpurge)(vaddr_t, paddr_t, vsize_t);
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void (*dpurge_iinv)(vaddr_t, paddr_t, vsize_t);
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void (*dinv)(vaddr_t, paddr_t, vsize_t);
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void (*dinv_iinv)(vaddr_t, paddr_t, vsize_t);
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void (*iinv)(vaddr_t, paddr_t, vsize_t);
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void (*iinv_all)(void);
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void (*purge_all)(void);
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struct sh5_cache_info dinfo;
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struct sh5_cache_info iinfo;
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};
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#define cpu_cache_dpurge sh5_cache_ops.dpurge
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#define cpu_cache_dpurge_iinv sh5_cache_ops.dpurge_iinv
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#define cpu_cache_dinv sh5_cache_ops.dinv
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#define cpu_cache_dinv_iinv sh5_cache_ops.dinv_iinv
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#define cpu_cache_iinv sh5_cache_ops.iinv
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#define cpu_cache_iinv_all sh5_cache_ops.iinv_all
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#define cpu_cache_purge_all sh5_cache_ops.purge_all
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#define cpu_cache_dinfo sh5_cache_ops.dinfo
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#define cpu_cache_iinfo sh5_cache_ops.iinfo
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#ifdef _KERNEL
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extern struct sh5_cache_ops sh5_cache_ops;
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#endif
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#endif /* __SH5_CACHEOPS_H */
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