microblaze: Add _PAGE_FILE macros to pgtable.h
We need to define _PAGE_FILE macro and change pte functions. Microblaze use the same MMU as PowerPC that's why we define _PAGE_FILE in the same style. This change fixed remap_file_pages01 LTP test. Signed-off-by: Michal Simek <monstr@monstr.eu>
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@ -185,6 +185,7 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
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/* Definitions for MicroBlaze. */
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#define _PAGE_GUARDED 0x001 /* G: page is guarded from prefetch */
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#define _PAGE_FILE 0x001 /* when !present: nonlinear file mapping */
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#define _PAGE_PRESENT 0x002 /* software: PTE contains a translation */
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#define _PAGE_NO_CACHE 0x004 /* I: caching is inhibited */
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#define _PAGE_WRITETHRU 0x008 /* W: caching is write-through */
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@ -320,8 +321,7 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; }
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static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC; }
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static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
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static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
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/* FIXME */
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static inline int pte_file(pte_t pte) { return 0; }
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static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
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static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; }
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static inline void pte_cache(pte_t pte) { pte_val(pte) &= ~_PAGE_NO_CACHE; }
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@ -488,7 +488,7 @@ static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address)
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/* Encode and decode a nonlinear file mapping entry */
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#define PTE_FILE_MAX_BITS 29
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#define pte_to_pgoff(pte) (pte_val(pte) >> 3)
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#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) })
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#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE })
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extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
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