aboutsummaryrefslogtreecommitdiff
path: root/include/asm-m32r/pgtable-2level.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-m32r/pgtable-2level.h')
-rw-r--r--include/asm-m32r/pgtable-2level.h78
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 bca3475f959..00000000000
--- a/include/asm-m32r/pgtable-2level.h
+++ /dev/null
@@ -1,78 +0,0 @@
-#ifndef _ASM_M32R_PGTABLE_2LEVEL_H
-#define _ASM_M32R_PGTABLE_2LEVEL_H
-#ifdef __KERNEL__
-
-/*
- * traditional M32R two-level paging structure:
- */
-
-#define PGDIR_SHIFT 22
-#define PTRS_PER_PGD 1024
-
-/*
- * the M32R is two-level, so we don't really have any
- * PMD directory physically.
- */
-#define PMD_SHIFT 22
-#define PTRS_PER_PMD 1
-
-#define PTRS_PER_PTE 1024
-
-#define pte_ERROR(e) \
- printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
-#define pmd_ERROR(e) \
- printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e))
-#define pgd_ERROR(e) \
- printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
-
-/*
- * The "pgd_xxx()" functions here are trivial for a folded two-level
- * setup: the pgd is never bad, and a pmd always exists (as it's folded
- * into the pgd entry)
- */
-static inline int pgd_none(pgd_t pgd) { return 0; }
-static inline int pgd_bad(pgd_t pgd) { return 0; }
-static inline int pgd_present(pgd_t pgd) { return 1; }
-#define pgd_clear(xp) do { } while (0)
-
-/*
- * Certain architectures need to do special things when PTEs
- * within a page table are directly modified. Thus, the following
- * hook is made available.
- */
-#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
-
-/*
- * (pmds are folded into pgds so this doesnt get actually called,
- * but the define is needed for a generic inline function.)
- */
-#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
-#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
-
-#define pgd_page_vaddr(pgd) \
-((unsigned long) __va(pgd_val(pgd) & PAGE_MASK))
-
-#ifndef CONFIG_DISCONTIGMEM
-#define pgd_page(pgd) (mem_map + ((pgd_val(pgd) >> PAGE_SHIFT) - PFN_BASE))
-#endif /* !CONFIG_DISCONTIGMEM */
-
-static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address)
-{
- return (pmd_t *) dir;
-}
-
-#define ptep_get_and_clear(mm,addr,xp) __pte(xchg(&(xp)->pte, 0))
-#define pte_same(a, b) (pte_val(a) == pte_val(b))
-#define pte_page(x) pfn_to_page(pte_pfn(x))
-#define pte_none(x) (!pte_val(x))
-#define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT)
-#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-
-#define PTE_FILE_MAX_BITS 29
-#define pte_to_pgoff(pte) (((pte_val(pte) >> 2) & 0x7f) | (((pte_val(pte) >> 10)) << 7))
-#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7f) << 2) | (((off) >> 7) << 10) | _PAGE_FILE })
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_M32R_PGTABLE_2LEVEL_H */