diff options
Diffstat (limited to 'arch/score/include/asm/pgtable.h')
| -rw-r--r-- | arch/score/include/asm/pgtable.h | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h index 5e913e5..674934b 100644 --- a/arch/score/include/asm/pgtable.h +++ b/arch/score/include/asm/pgtable.h @@ -106,7 +106,8 @@ static inline void pmd_clear(pmd_t *pmdp) ((swp_entry_t) { pte_val(pte)}) #define __swp_entry_to_pte(x) ((pte_t) {(x).val}) -#define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd))) +#define pmd_phys(pmd) __pa((void *)pmd_val(pmd)) +#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT)) #define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) static inline pte_t pte_mkspecial(pte_t pte) { return pte; } @@ -129,14 +130,11 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #define pgd_clear(pgdp) do { } while (0) #define kern_addr_valid(addr) (1) -#define pmd_offset(a, b) ((void *) 0) #define pmd_page_vaddr(pmd) pmd_val(pmd) #define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL)) #define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) -#define pud_offset(pgd, address) ((pud_t *) pgd) - #define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_CACHE) #define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \ _PAGE_CACHE) @@ -165,15 +163,27 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #define __S110 PAGE_SHARED #define __S111 PAGE_SHARED -#define pgprot_noncached(x) (x) +#define pgprot_noncached pgprot_noncached + +static inline pgprot_t pgprot_noncached(pgprot_t _prot) +{ + unsigned long prot = pgprot_val(_prot); + + prot = (prot & ~_CACHE_MASK); + + return __pgprot(prot); +} -#define __swp_type(x) (0) -#define __swp_offset(x) (0) -#define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) +#define __swp_type(x) ((x).val & 0x1f) +#define __swp_offset(x) ((x).val >> 11) +#define __swp_entry(type, offset) ((swp_entry_t){(type) | ((offset) << 11)}) -#define ZERO_PAGE(vaddr) ({ BUG(); NULL; }) +extern unsigned long empty_zero_page; +extern unsigned long zero_page_mask; -#define swapper_pg_dir ((pgd_t *) NULL) +#define ZERO_PAGE(vaddr) \ + (virt_to_page((void *)(empty_zero_page + \ + (((unsigned long)(vaddr)) & zero_page_mask)))) #define pgtable_cache_init() do {} while (0) @@ -248,6 +258,7 @@ static inline pte_t pte_mkyoung(pte_t pte) #define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) extern unsigned long pgd_current; +extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; extern void paging_init(void); static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) |