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Diffstat (limited to 'arch/sh/include/asm/pgtable_64.h')
-rw-r--r--arch/sh/include/asm/pgtable_64.h26
1 files changed, 14 insertions, 12 deletions
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h
index 17cdbecc3ad..0ee46776dad 100644
--- a/arch/sh/include/asm/pgtable_64.h
+++ b/arch/sh/include/asm/pgtable_64.h
@@ -43,11 +43,6 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval)
}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
-static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
-{
- pmd_val(*pmdp) = (unsigned long) ptep;
-}
-
/*
* PGD defines. Top level.
*/
@@ -128,8 +123,21 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
#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
@@ -203,12 +211,6 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
#define pgprot_writecombine(prot) __pgprot(pgprot_val(prot) & ~_PAGE_CACHABLE)
/*
- * Handling allocation failures during page table setup.
- */
-extern void __handle_bad_pmd_kernel(pmd_t * pmd);
-#define __handle_bad_pmd(x) __handle_bad_pmd_kernel(x)
-
-/*
* PTE level access routines.
*
* Note1: