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* Copyright (c) 2006 Jakub Jermar
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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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* - 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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* - 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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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/** @addtogroup genericmm
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* This is generic interface for managing
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* Address Space IDentifiers (ASIDs).
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#include <arch/mm/asid.h>
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#include <synch/spinlock.h>
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#define ASID_INVALID 1
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#define ASID_MAX ASID_MAX_ARCH
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#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START)
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SPINLOCK_EXTERN(asidlock);
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extern link_t as_with_asid_head;
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extern asid_t asid_get(void);
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#endif /* !def asid_get */
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extern void asid_put(asid_t asid);
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#endif /* !def asid_put */
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extern void asid_install(as_t *as);
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#endif /* !def asid_install */
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#ifndef asid_find_free
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extern asid_t asid_find_free(void);
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#endif /* !def asid_find_free */
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extern void asid_put_arch(asid_t asid);
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#endif /* !def asid_put_arch */