0,0 → 1,64 |
/* |
* 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 sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef KERN_sparc64_TSB_H_ |
#define KERN_sparc64_TSB_H_ |
|
#include <arch/mm/tte.h> |
#include <arch/types.h> |
#include <typedefs.h> |
|
/* |
* ITSB abd DTSB will claim 64K of memory, which |
* is a nice number considered that it is one of |
* the page sizes supported by hardware, which, |
* again, is nice because TSBs need to be locked |
* in TLBs - only one TLB entry will do. |
*/ |
#define ITSB_ENTRY_COUNT 2048 |
#define DTSB_ENTRY_COUNT 2048 |
|
struct tsb_entry { |
tte_tag_t tag; |
tte_data_t data; |
} __attribute__ ((packed)); |
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typedef struct tsb_entry tsb_entry_t; |
|
extern void tsb_invalidate(as_t *as, uintptr_t page, count_t pages); |
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#endif |
|
/** @} |
*/ |