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Commit f14d6f7c authored by Michal Simek's avatar Michal Simek
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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: default avatarMichal Simek <monstr@monstr.eu>
parent 7bcb63b2

arch/microblaze/include/asm/pgtable.h

+3 −3
Original line number Diff line number Diff line
@@ -185,6 +185,7 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } 


/* Definitions for MicroBlaze. */

#define	_PAGE_GUARDED	0x001	/* G: page is guarded from prefetch */

#define _PAGE_FILE	0x001	/* when !present: nonlinear file mapping */

#define _PAGE_PRESENT	0x002	/* software: PTE contains a translation */

#define	_PAGE_NO_CACHE	0x004	/* I: caching is inhibited */

#define	_PAGE_WRITETHRU	0x008	/* W: caching is write-through */
@@ -320,8 +321,7 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; } 
static inline int pte_exec(pte_t pte)  { return pte_val(pte) & _PAGE_EXEC; }

static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }

static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }

/* FIXME */

static inline int pte_file(pte_t pte)		{ return 0; }

static inline int pte_file(pte_t pte)  { return pte_val(pte) & _PAGE_FILE; }



static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; }

static inline void pte_cache(pte_t pte)   { pte_val(pte) &= ~_PAGE_NO_CACHE; }
@@ -488,7 +488,7 @@ static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address) 
/* Encode and decode a nonlinear file mapping entry */

#define PTE_FILE_MAX_BITS	29

#define pte_to_pgoff(pte)	(pte_val(pte) >> 3)

#define pgoff_to_pte(off)	((pte_t) { ((off) << 3) })

#define pgoff_to_pte(off)	((pte_t) { ((off) << 3) | _PAGE_FILE })



extern pgd_t swapper_pg_dir[PTRS_PER_PGD];