diff options
Diffstat (limited to 'arch/sparc/include/asm/pgtable_32.h')
| -rw-r--r-- | arch/sparc/include/asm/pgtable_32.h | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index ac85f9b87a75..62e34d909c36 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -113,11 +113,18 @@ static inline unsigned long srmmu_swap(unsigned long *addr, unsigned long value) return value; } -static inline void srmmu_set_pte(pte_t *ptep, pte_t pteval) +/* Certain architectures need to do special things when pte's + * within a page table are directly modified. Thus, the following + * hook is made available. + */ + +static inline void set_pte(pte_t *ptep, pte_t pteval) { srmmu_swap((unsigned long *)ptep, pte_val(pteval)); } +#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) + static inline int srmmu_device_memory(unsigned long x) { return ((x & 0xF0000000) != 0); @@ -134,18 +141,19 @@ BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t) #define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd) -BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t) +static inline int pte_present(pte_t pte) +{ + return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE); +} static inline int pte_none(pte_t pte) { return !pte_val(pte); } -#define pte_present(pte) BTFIXUP_CALL(pte_present)(pte) - static inline void __pte_clear(pte_t *ptep) { - srmmu_set_pte(ptep, __pte(0)); + set_pte(ptep, __pte(0)); } static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) @@ -172,7 +180,7 @@ static inline void pmd_clear(pmd_t *pmdp) { int i; for (i = 0; i < PTRS_PER_PTE/SRMMU_REAL_PTRS_PER_PTE; i++) - srmmu_set_pte((pte_t *)&pmdp->pmdv[i], __pte(0)); + set_pte((pte_t *)&pmdp->pmdv[i], __pte(0)); } static inline int pgd_none(pgd_t pgd) @@ -192,7 +200,7 @@ static inline int pgd_present(pgd_t pgd) static inline void pgd_clear(pgd_t *pgdp) { - srmmu_set_pte((pte_t *)pgdp, __pte(0)); + set_pte((pte_t *)pgdp, __pte(0)); } /* @@ -292,14 +300,20 @@ static inline unsigned long pte_pfn(pte_t pte) * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. */ -BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t) +static inline pte_t mk_pte(struct page *page, pgprot_t pgprot) +{ + return __pte((page_to_pfn(page) << (PAGE_SHIFT-4)) | pgprot_val(pgprot)); +} -BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t) -BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int) +static inline pte_t mk_pte_phys(unsigned long page, pgprot_t pgprot) +{ + return __pte(((page) >> 4) | pgprot_val(pgprot)); +} -#define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot) -#define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot) -#define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space) +static inline pte_t mk_pte_io(unsigned long page, pgprot_t pgprot, int space) +{ + return __pte(((page) >> 4) | (space << 28) | pgprot_val(pgprot)); +} #define pgprot_noncached pgprot_noncached static inline pgprot_t pgprot_noncached(pgprot_t prot) @@ -339,16 +353,6 @@ BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long) #define pte_offset_map(d, a) pte_offset_kernel(d,a) #define pte_unmap(pte) do{}while(0) -/* Certain architectures need to do special things when pte's - * within a page table are directly modified. Thus, the following - * hook is made available. - */ - -BTFIXUPDEF_CALL(void, set_pte, pte_t *, pte_t) - -#define set_pte(ptep,pteval) BTFIXUP_CALL(set_pte)(ptep,pteval) -#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) - struct seq_file; BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *) |