0,0 → 1,82 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* Copyright (c) 2009 Pavel Rimsky |
* 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_sun4v_TSB_H_ |
#define KERN_sparc64_sun4v_TSB_H_ |
|
/* |
* TSB 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 TSB_SIZE 3 /* when changing this, change |
* as.c as well */ |
#define TSB_ENTRY_COUNT (512 * (1 << TSB_SIZE)) |
|
#ifndef __ASM__ |
|
#include <typedefs.h> |
#include <arch/mm/tte.h> |
#include <arch/mm/mmu.h> |
#include <arch/types.h> |
|
/** TSB description, used in hypercalls */ |
typedef struct tsb_descr { |
uint16_t page_size; /**< Page size (0 = 8K, 1 = 64K,...). */ |
uint16_t associativity; /**< TSB associativity (will be 1). */ |
uint32_t num_ttes; /**< Number of TTEs. */ |
uint32_t context; /**< Context number. */ |
uint32_t pgsize_mask; /**< Equals "1 << page_size". */ |
uint64_t tsb_base; /**< Real address of TSB base. */ |
uint64_t reserved; |
} __attribute__ ((packed)) tsb_descr_t; |
|
|
/* Forward declarations. */ |
struct as; |
struct pte; |
|
extern void tsb_invalidate(struct as *as, uintptr_t page, count_t pages); |
extern void itsb_pte_copy(struct pte *t, index_t index); |
extern void dtsb_pte_copy(struct pte *t, index_t index, bool ro); |
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#endif /* !def __ASM__ */ |
|
#endif |
|
/** @} |
*/ |