Commit | Line | Data |
---|---|---|
9a8fd558 CZ |
1 | /* |
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 | ||
6656920b CZ |
14 | #include <asm/cache.h> |
15 | #include <asm/page.h> | |
16 | ||
17 | #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 | |
9a8fd558 | 25 | |
6656920b CZ |
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) | |
9a8fd558 CZ |
41 | #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) |
42 | ||
43 | #include <asm-generic/tlb.h> | |
9a8fd558 | 44 | |
5e541973 | 45 | #define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte) |
9a8fd558 CZ |
46 | |
47 | #endif /* _XTENSA_TLB_H */ |