diff options
Diffstat (limited to 'include/asm-i386/pgtable-2level.h')
-rw-r--r-- | include/asm-i386/pgtable-2level.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h deleted file mode 100644 index 84b03cf56a79..000000000000 --- a/include/asm-i386/pgtable-2level.h +++ /dev/null | |||
@@ -1,86 +0,0 @@ | |||
1 | #ifndef _I386_PGTABLE_2LEVEL_H | ||
2 | #define _I386_PGTABLE_2LEVEL_H | ||
3 | |||
4 | #define pte_ERROR(e) \ | ||
5 | printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low) | ||
6 | #define pgd_ERROR(e) \ | ||
7 | printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) | ||
8 | |||
9 | /* | ||
10 | * Certain architectures need to do special things when PTEs | ||
11 | * within a page table are directly modified. Thus, the following | ||
12 | * hook is made available. | ||
13 | */ | ||
14 | static inline void native_set_pte(pte_t *ptep , pte_t pte) | ||
15 | { | ||
16 | *ptep = pte; | ||
17 | } | ||
18 | static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr, | ||
19 | pte_t *ptep , pte_t pte) | ||
20 | { | ||
21 | native_set_pte(ptep, pte); | ||
22 | } | ||
23 | static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) | ||
24 | { | ||
25 | *pmdp = pmd; | ||
26 | } | ||
27 | #ifndef CONFIG_PARAVIRT | ||
28 | #define set_pte(pteptr, pteval) native_set_pte(pteptr, pteval) | ||
29 | #define set_pte_at(mm,addr,ptep,pteval) native_set_pte_at(mm, addr, ptep, pteval) | ||
30 | #define set_pmd(pmdptr, pmdval) native_set_pmd(pmdptr, pmdval) | ||
31 | #endif | ||
32 | |||
33 | #define set_pte_atomic(pteptr, pteval) set_pte(pteptr,pteval) | ||
34 | #define set_pte_present(mm,addr,ptep,pteval) set_pte_at(mm,addr,ptep,pteval) | ||
35 | |||
36 | #define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0) | ||
37 | #define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) | ||
38 | |||
39 | static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *xp) | ||
40 | { | ||
41 | *xp = __pte(0); | ||
42 | } | ||
43 | |||
44 | #ifdef CONFIG_SMP | ||
45 | static inline pte_t native_ptep_get_and_clear(pte_t *xp) | ||
46 | { | ||
47 | return __pte(xchg(&xp->pte_low, 0)); | ||
48 | } | ||
49 | #else | ||
50 | #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp) | ||
51 | #endif | ||
52 | |||
53 | #define pte_page(x) pfn_to_page(pte_pfn(x)) | ||
54 | #define pte_none(x) (!(x).pte_low) | ||
55 | #define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) | ||
56 | #define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) | ||
57 | #define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) | ||
58 | |||
59 | /* | ||
60 | * All present pages are kernel-executable: | ||
61 | */ | ||
62 | static inline int pte_exec_kernel(pte_t pte) | ||
63 | { | ||
64 | return 1; | ||
65 | } | ||
66 | |||
67 | /* | ||
68 | * Bits 0, 6 and 7 are taken, split up the 29 bits of offset | ||
69 | * into this range: | ||
70 | */ | ||
71 | #define PTE_FILE_MAX_BITS 29 | ||
72 | |||
73 | #define pte_to_pgoff(pte) \ | ||
74 | ((((pte).pte_low >> 1) & 0x1f ) + (((pte).pte_low >> 8) << 5 )) | ||
75 | |||
76 | #define pgoff_to_pte(off) \ | ||
77 | ((pte_t) { (((off) & 0x1f) << 1) + (((off) >> 5) << 8) + _PAGE_FILE }) | ||
78 | |||
79 | /* Encode and de-code a swap entry */ | ||
80 | #define __swp_type(x) (((x).val >> 1) & 0x1f) | ||
81 | #define __swp_offset(x) ((x).val >> 8) | ||
82 | #define __swp_entry(type, offset) ((swp_entry_t) { ((type) << 1) | ((offset) << 8) }) | ||
83 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) | ||
84 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ||
85 | |||
86 | #endif /* _I386_PGTABLE_2LEVEL_H */ | ||