Logo Search packages:      
Sourcecode: linux version File versions  Download package


 * Copyright (C) 2004-2006 Atmel Corporation
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.

#include <asm-generic/pgtable-nopmd.h>

 * Traditional 2-level paging structure
#define PGDIR_SHIFT     22
#define PTRS_PER_PGD    1024

#define PTRS_PER_PTE    1024

#ifndef __ASSEMBLY__
#define pte_ERROR(e) \
      printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
#define pgd_ERROR(e) \
      printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))

 * 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 doesn't get actually called,
 * but the define is needed for a generic inline function.)
#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)

#define pte_pfn(x)            ((unsigned long)(((x).pte >> 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))

#endif /* !__ASSEMBLY__ */

#endif /* __ASM_AVR32_PGTABLE_2LEVEL_H */

Generated by  Doxygen 1.6.0   Back to index