0,0 → 1,89 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - 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. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. |
*/ |
|
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
|
/* |
* This is generic interface for managing |
* Address Space IDentifiers (ASIDs). |
*/ |
|
#ifndef KERN_ASID_H_ |
#define KERN_ASID_H_ |
|
#ifndef __ASM__ |
|
#include <arch/mm/asid.h> |
#include <synch/spinlock.h> |
#include <adt/list.h> |
#include <mm/as.h> |
|
#endif |
|
#define ASID_KERNEL 0 |
#define ASID_INVALID 1 |
#define ASID_START 2 |
#define ASID_MAX ASID_MAX_ARCH |
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#ifndef __ASM__ |
|
#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START) |
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SPINLOCK_EXTERN(asidlock); |
extern link_t as_with_asid_head; |
|
#ifndef asid_get |
extern asid_t asid_get(void); |
#endif /* !def asid_get */ |
|
#ifndef asid_put |
extern void asid_put(asid_t asid); |
#endif /* !def asid_put */ |
|
#ifndef asid_install |
extern void asid_install(as_t *as); |
#endif /* !def asid_install */ |
|
#ifndef asid_find_free |
extern asid_t asid_find_free(void); |
#endif /* !def asid_find_free */ |
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#ifndef asid_put_arch |
extern void asid_put_arch(asid_t asid); |
#endif /* !def asid_put_arch */ |
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#endif |
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#endif |
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/** @} |
*/ |