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Chris Zankel9a8fd552005-06-23 22:01:26 -07001/*
2 * include/asm-xtensa/tlb.h
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 2001 - 2005 Tensilica Inc.
9 */
10
11#ifndef _XTENSA_TLB_H
12#define _XTENSA_TLB_H
13
Chris Zankel66569202007-08-22 10:14:51 -070014#include <asm/cache.h>
15#include <asm/page.h>
Chris Zankel9a8fd552005-06-23 22:01:26 -070016
Chris Zankel66569202007-08-22 10:14:51 -070017#if (DCACHE_WAY_SIZE <= PAGE_SIZE)
18
19/* Note, read http://lkml.org/lkml/2004/1/15/6 */
20
21# define tlb_start_vma(tlb,vma) do { } while (0)
22# define tlb_end_vma(tlb,vma) do { } while (0)
23
24#else
25
26# define tlb_start_vma(tlb, vma) \
27 do { \
28 if (!tlb->fullmm) \
29 flush_cache_range(vma, vma->vm_start, vma->vm_end); \
30 } while(0)
31
32# define tlb_end_vma(tlb, vma) \
33 do { \
34 if (!tlb->fullmm) \
35 flush_tlb_range(vma, vma->vm_start, vma->vm_end); \
36 } while(0)
37
38#endif
39
40#define __tlb_remove_tlb_entry(tlb,pte,addr) do { } while (0)
Chris Zankel9a8fd552005-06-23 22:01:26 -070041#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
42
43#include <asm-generic/tlb.h>
Chris Zankel9a8fd552005-06-23 22:01:26 -070044
Benjamin Herrenschmidt5e541972008-02-04 22:29:14 -080045#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
Chris Zankel9a8fd552005-06-23 22:01:26 -070046
47#endif /* _XTENSA_TLB_H */