48 строки
1.1 KiB
C
48 строки
1.1 KiB
C
/*
|
|
* include/asm-xtensa/tlb.h
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2001 - 2005 Tensilica Inc.
|
|
*/
|
|
|
|
#ifndef _XTENSA_TLB_H
|
|
#define _XTENSA_TLB_H
|
|
|
|
#include <asm/cache.h>
|
|
#include <asm/page.h>
|
|
|
|
#if (DCACHE_WAY_SIZE <= PAGE_SIZE)
|
|
|
|
/* Note, read http://lkml.org/lkml/2004/1/15/6 */
|
|
|
|
# define tlb_start_vma(tlb,vma) do { } while (0)
|
|
# define tlb_end_vma(tlb,vma) do { } while (0)
|
|
|
|
#else
|
|
|
|
# define tlb_start_vma(tlb, vma) \
|
|
do { \
|
|
if (!tlb->fullmm) \
|
|
flush_cache_range(vma, vma->vm_start, vma->vm_end); \
|
|
} while(0)
|
|
|
|
# define tlb_end_vma(tlb, vma) \
|
|
do { \
|
|
if (!tlb->fullmm) \
|
|
flush_tlb_range(vma, vma->vm_start, vma->vm_end); \
|
|
} while(0)
|
|
|
|
#endif
|
|
|
|
#define __tlb_remove_tlb_entry(tlb,pte,addr) do { } while (0)
|
|
#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
|
|
|
|
#include <asm-generic/tlb.h>
|
|
|
|
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
|
|
|
|
#endif /* _XTENSA_TLB_H */
|