diff options
author | Hirokazu Takata <takata@linux-m32r.org> | 2008-11-27 12:46:48 -0500 |
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committer | Hirokazu Takata <takata@linux-m32r.org> | 2009-04-16 21:05:01 -0400 |
commit | fe4e719d82c4052751d2287de4bd18bd04e93685 (patch) | |
tree | 3a120e25626becf138f523a356422c0cdf9804c7 /include/asm-m32r/pgtable-2level.h | |
parent | 20d9207849d5abe60461841b3c3724f6e7c9d33e (diff) |
m32r: move include/asm-m32r headers to arch/m32r/include/asm
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Diffstat (limited to 'include/asm-m32r/pgtable-2level.h')
-rw-r--r-- | include/asm-m32r/pgtable-2level.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/include/asm-m32r/pgtable-2level.h b/include/asm-m32r/pgtable-2level.h deleted file mode 100644 index bca3475f9595..000000000000 --- a/include/asm-m32r/pgtable-2level.h +++ /dev/null | |||
@@ -1,78 +0,0 @@ | |||
1 | #ifndef _ASM_M32R_PGTABLE_2LEVEL_H | ||
2 | #define _ASM_M32R_PGTABLE_2LEVEL_H | ||
3 | #ifdef __KERNEL__ | ||
4 | |||
5 | /* | ||
6 | * traditional M32R two-level paging structure: | ||
7 | */ | ||
8 | |||
9 | #define PGDIR_SHIFT 22 | ||
10 | #define PTRS_PER_PGD 1024 | ||
11 | |||
12 | /* | ||
13 | * the M32R is two-level, so we don't really have any | ||
14 | * PMD directory physically. | ||
15 | */ | ||
16 | #define PMD_SHIFT 22 | ||
17 | #define PTRS_PER_PMD 1 | ||
18 | |||
19 | #define PTRS_PER_PTE 1024 | ||
20 | |||
21 | #define pte_ERROR(e) \ | ||
22 | printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e)) | ||
23 | #define pmd_ERROR(e) \ | ||
24 | printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e)) | ||
25 | #define pgd_ERROR(e) \ | ||
26 | printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) | ||
27 | |||
28 | /* | ||
29 | * The "pgd_xxx()" functions here are trivial for a folded two-level | ||
30 | * setup: the pgd is never bad, and a pmd always exists (as it's folded | ||
31 | * into the pgd entry) | ||
32 | */ | ||
33 | static inline int pgd_none(pgd_t pgd) { return 0; } | ||
34 | static inline int pgd_bad(pgd_t pgd) { return 0; } | ||
35 | static inline int pgd_present(pgd_t pgd) { return 1; } | ||
36 | #define pgd_clear(xp) do { } while (0) | ||
37 | |||
38 | /* | ||
39 | * Certain architectures need to do special things when PTEs | ||
40 | * within a page table are directly modified. Thus, the following | ||
41 | * hook is made available. | ||
42 | */ | ||
43 | #define set_pte(pteptr, pteval) (*(pteptr) = pteval) | ||
44 | #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) | ||
45 | |||
46 | /* | ||
47 | * (pmds are folded into pgds so this doesnt get actually called, | ||
48 | * but the define is needed for a generic inline function.) | ||
49 | */ | ||
50 | #define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval) | ||
51 | #define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval) | ||
52 | |||
53 | #define pgd_page_vaddr(pgd) \ | ||
54 | ((unsigned long) __va(pgd_val(pgd) & PAGE_MASK)) | ||
55 | |||
56 | #ifndef CONFIG_DISCONTIGMEM | ||
57 | #define pgd_page(pgd) (mem_map + ((pgd_val(pgd) >> PAGE_SHIFT) - PFN_BASE)) | ||
58 | #endif /* !CONFIG_DISCONTIGMEM */ | ||
59 | |||
60 | static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address) | ||
61 | { | ||
62 | return (pmd_t *) dir; | ||
63 | } | ||
64 | |||
65 | #define ptep_get_and_clear(mm,addr,xp) __pte(xchg(&(xp)->pte, 0)) | ||
66 | #define pte_same(a, b) (pte_val(a) == pte_val(b)) | ||
67 | #define pte_page(x) pfn_to_page(pte_pfn(x)) | ||
68 | #define pte_none(x) (!pte_val(x)) | ||
69 | #define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) | ||
70 | #define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) | ||
71 | #define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) | ||
72 | |||
73 | #define PTE_FILE_MAX_BITS 29 | ||
74 | #define pte_to_pgoff(pte) (((pte_val(pte) >> 2) & 0x7f) | (((pte_val(pte) >> 10)) << 7)) | ||
75 | #define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7f) << 2) | (((off) >> 7) << 10) | _PAGE_FILE }) | ||
76 | |||
77 | #endif /* __KERNEL__ */ | ||
78 | #endif /* _ASM_M32R_PGTABLE_2LEVEL_H */ | ||