| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 |
- /*
- * 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.
- */
- #ifndef __ASM_AVR32_PGTABLE_2LEVEL_H
- #define __ASM_AVR32_PGTABLE_2LEVEL_H
- #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 */
|
