72 lines
3 KiB
C
72 lines
3 KiB
C
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/* $NetBSD: tlb.h,v 1.1 2012/10/03 00:51:47 christos Exp $ */
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/*-
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* Copyright (c) 2011 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 Matt Thomas of 3am Software Foundry.
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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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*
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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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#ifndef _COMMON_PMAP_TLB_TLB_H_
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#define _COMMON_PMAP_TLB_TLB_H_
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#if defined(_KERNEL) || defined(_KMEMUSER)
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struct tlbmask;
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struct tlb_md_ops {
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void (*md_tlb_set_asid)(tlb_asid_t);
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tlb_asid_t
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(*md_tlb_get_asid)(void);
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void (*md_tlb_invalidate_all)(void);
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void (*md_tlb_invalidate_globals)(void);
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void (*md_tlb_invalidate_asids)(tlb_asid_t, tlb_asid_t);
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void (*md_tlb_invalidate_addr)(vaddr_t, tlb_asid_t);
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bool (*md_tlb_update_addr)(vaddr_t, tlb_asid_t, pt_entry_t, bool);
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void (*md_tlb_read_entry)(size_t, struct tlbmask *);
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void (*md_tlb_write_entry)(size_t, const struct tlbmask *);
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u_int (*md_tlb_record_asids)(u_long *);
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void (*md_tlb_dump)(void (*)(const char *, ...));
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void (*md_tlb_walk)(void *, bool (*)(void *, vaddr_t, tlb_asid_t,
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pt_entry_t));
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};
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tlb_asid_t
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tlb_get_asid(void);
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void tlb_set_asid(tlb_asid_t);
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void tlb_invalidate_all(void);
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void tlb_invalidate_globals(void);
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void tlb_invalidate_asids(tlb_asid_t, tlb_asid_t);
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void tlb_invalidate_addr(vaddr_t, tlb_asid_t);
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bool tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool);
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u_int tlb_record_asids(u_long *);
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void tlb_enter_addr(size_t, const struct tlbmask *);
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void tlb_read_entry(size_t, struct tlbmask *);
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void tlb_write_entry(size_t, const struct tlbmask *);
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void tlb_walk(void *, bool (*)(void *, vaddr_t, tlb_asid_t, pt_entry_t));
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void tlb_dump(void (*)(const char *, ...));
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#endif /* _KERNEL || _KMEMUSER */
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#endif /* !_COMMON_PMAP_TLB_TLB_H_ */
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