diff options
Diffstat (limited to 'arch/score/include/asm/pgtable-bits.h')
| -rw-r--r-- | arch/score/include/asm/pgtable-bits.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/score/include/asm/pgtable-bits.h b/arch/score/include/asm/pgtable-bits.h new file mode 100644 index 000000000000..7d65a96a82e5 --- /dev/null +++ b/arch/score/include/asm/pgtable-bits.h @@ -0,0 +1,25 @@ +#ifndef _ASM_SCORE_PGTABLE_BITS_H +#define _ASM_SCORE_PGTABLE_BITS_H + +#define _PAGE_ACCESSED (1<<5) /* implemented in software */ +#define _PAGE_READ (1<<6) /* implemented in software */ +#define _PAGE_WRITE (1<<7) /* implemented in software */ +#define _PAGE_PRESENT (1<<9) /* implemented in software */ +#define _PAGE_MODIFIED (1<<10) /* implemented in software */ +#define _PAGE_FILE (1<<10) + +#define _PAGE_GLOBAL (1<<0) +#define _PAGE_VALID (1<<1) +#define _PAGE_SILENT_READ (1<<1) /* synonym */ +#define _PAGE_DIRTY (1<<2) /* Write bit */ +#define _PAGE_SILENT_WRITE (1<<2) +#define _PAGE_CACHE (1<<3) /* cache */ +#define _CACHE_MASK (1<<3) +#define _PAGE_BUFFERABLE (1<<4) /*Fallow Spec. */ + +#define __READABLE (_PAGE_READ | _PAGE_SILENT_READ | _PAGE_ACCESSED) +#define __WRITEABLE (_PAGE_WRITE | _PAGE_SILENT_WRITE | _PAGE_MODIFIED) +#define _PAGE_CHG_MASK \ + (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_CACHE) + +#endif /* _ASM_SCORE_PGTABLE_BITS_H */ |