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author | Hirokazu Takata <takata@linux-m32r.org> | 2008-11-28 02:46:48 +0900 |
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committer | Hirokazu Takata <takata@linux-m32r.org> | 2009-04-17 10:05:01 +0900 |
commit | fe4e719d82c4052751d2287de4bd18bd04e93685 (patch) | |
tree | 3a120e25626becf138f523a356422c0cdf9804c7 /include/asm-m32r/pgtable-2level.h | |
parent | 20d9207849d5abe60461841b3c3724f6e7c9d33e (diff) | |
download | linux-fe4e719d82c4052751d2287de4bd18bd04e93685.tar.bz2 |
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 @@ -#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 */ |