diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-01-18 20:42:39 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-01-18 20:42:39 +0900 |
| commit | 8faba6121566248330e738d25a2c43d7500fb9f0 (patch) | |
| tree | 9cb09b2ec00b504dd24e1272126a22cd365e7282 /arch/sh/include/asm/pgtable_64.h | |
| parent | 4291b730cd0f0cf98a90d946b6cabbd804397350 (diff) | |
| parent | 78bf04fc96f509474c6b443b515d6b79bb7bf584 (diff) | |
Merge branch 'sh/ioremap-fixed'
Diffstat (limited to 'arch/sh/include/asm/pgtable_64.h')
| -rw-r--r-- | arch/sh/include/asm/pgtable_64.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h index dd381588c695e..0ee46776dad6d 100644 --- a/arch/sh/include/asm/pgtable_64.h +++ b/arch/sh/include/asm/pgtable_64.h @@ -123,8 +123,21 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval) #define _PAGE_DIRTY 0x400 /* software: page accessed in write */ #define _PAGE_ACCESSED 0x800 /* software: page referenced */ +/* Wrapper for extended mode pgprot twiddling */ +#define _PAGE_EXT(x) ((unsigned long long)(x) << 32) + +/* + * We can use the sign-extended bits in the PTEL to get 32 bits of + * software flags. This works for now because no implementations uses + * anything above the PPN field. + */ +#define _PAGE_WIRED _PAGE_EXT(0x001) /* software: wire the tlb entry */ + +#define _PAGE_CLEAR_FLAGS (_PAGE_PRESENT | _PAGE_FILE | _PAGE_SHARED | \ + _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_WIRED) + /* Mask which drops software flags */ -#define _PAGE_FLAGS_HARDWARE_MASK 0xfffffffffffff3dbLL +#define _PAGE_FLAGS_HARDWARE_MASK (NEFF_MASK & ~(_PAGE_CLEAR_FLAGS)) /* * HugeTLB support |