diff options
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 */ | ||
