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Diffstat (limited to 'arch/sh/include/asm/pgtable.h')
-rw-r--r--arch/sh/include/asm/pgtable.h34
1 files changed, 19 insertions, 15 deletions
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 2a011b18090b..4f3efa7d5a64 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -36,6 +36,12 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#define NEFF_SIGN (1LL << (NEFF - 1))
#define NEFF_MASK (-1LL << NEFF)
+static inline unsigned long long neff_sign_extend(unsigned long val)
+{
+ unsigned long long extended = val;
+ return (extended & NEFF_SIGN) ? (extended | NEFF_MASK) : extended;
+}
+
#ifdef CONFIG_29BIT
#define NPHYS 29
#else
@@ -133,27 +139,25 @@ typedef pte_t *pte_addr_t;
*/
#define pgtable_cache_init() do { } while (0)
-#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \
- defined(CONFIG_SH7705_CACHE_32KB))
-struct mm_struct;
-#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
-pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
-#endif
-
struct vm_area_struct;
-extern void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte);
+
+extern void __update_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte);
+extern void __update_tlb(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte);
+
+static inline void
+update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+ __update_cache(vma, address, pte);
+ __update_tlb(vma, address, pte);
+}
+
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
extern void paging_init(void);
extern void page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd);
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_CPU_SH4) && defined(CONFIG_MMU)
-extern void kmap_coherent_init(void);
-#else
-#define kmap_coherent_init() do { } while (0)
-#endif
-
/* arch/sh/mm/mmap.c */
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN