#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
-static inline void set_pte(pte_t *ptep, pte_t pte)
-{
- ptep->pte_high = pte.pte_high;
- smp_wmb();
- ptep->pte_low = pte.pte_low;
- //printk("pte_high %x pte_low %x\n", ptep->pte_high, ptep->pte_low);
-
- if (pte_val(pte) & _PAGE_GLOBAL) {
- pte_t *buddy = ptep_buddy(ptep);
- /*
- * Make sure the buddy is global too (if it's !none,
- * it better already be global)
- */
- if (pte_none(*buddy))
- buddy->pte_low |= _PAGE_GLOBAL;
- }
-}
-
-static inline void pte_clear(pte_t *ptep)
-{
- /* Preserve global status for the pair */
- if (pte_val(*ptep_buddy(ptep)) & _PAGE_GLOBAL)
- set_pte(ptep, __pte(_PAGE_GLOBAL));
- else
- set_pte(ptep, __pte(0));
-}
-#else
/*
* Certain architectures need to do special things when pte's
* within a page table are directly modified. Thus, the following
#endif
set_pte(ptep, __pte(0));
}
-#endif
/*
* (pmds are folded into pgds so this doesn't get actually called,
* Undefined behaviour if not..
*/
static inline int pte_user(pte_t pte) { BUG(); return 0; }
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
-static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_READ; }
-static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_WRITE; }
-static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_MODIFIED; }
-static inline int pte_young(pte_t pte) { return (pte).pte_low & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte) { return (pte).pte_low & _PAGE_FILE; }
-static inline pte_t pte_wrprotect(pte_t pte)
-{
- (pte).pte_low &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
- (pte).pte_high &= ~_PAGE_SILENT_WRITE;
- return pte;
-}
-
-static inline pte_t pte_rdprotect(pte_t pte)
-{
- (pte).pte_low &= ~(_PAGE_READ | _PAGE_SILENT_READ);
- (pte).pte_high &= ~_PAGE_SILENT_READ;
- return pte;
-}
-
-static inline pte_t pte_mkclean(pte_t pte)
-{
- (pte).pte_low &= ~(_PAGE_MODIFIED|_PAGE_SILENT_WRITE);
- (pte).pte_high &= ~_PAGE_SILENT_WRITE;
- return pte;
-}
-
-static inline pte_t pte_mkold(pte_t pte)
-{
- (pte).pte_low &= ~(_PAGE_ACCESSED|_PAGE_SILENT_READ);
- (pte).pte_high &= ~_PAGE_SILENT_READ;
- return pte;
-}
-
-static inline pte_t pte_mkwrite(pte_t pte)
-{
- (pte).pte_low |= _PAGE_WRITE;
- if ((pte).pte_low & _PAGE_MODIFIED) {
- (pte).pte_low |= _PAGE_SILENT_WRITE;
- (pte).pte_high |= _PAGE_SILENT_WRITE;
- }
- return pte;
-}
-
-static inline pte_t pte_mkread(pte_t pte)
-{
- (pte).pte_low |= _PAGE_READ;
- if ((pte).pte_low & _PAGE_ACCESSED) {
- (pte).pte_low |= _PAGE_SILENT_READ;
- (pte).pte_high |= _PAGE_SILENT_READ;
- }
- return pte;
-}
-
-static inline pte_t pte_mkdirty(pte_t pte)
-{
- (pte).pte_low |= _PAGE_MODIFIED;
- if ((pte).pte_low & _PAGE_WRITE) {
- (pte).pte_low |= _PAGE_SILENT_WRITE;
- (pte).pte_high |= _PAGE_SILENT_WRITE;
- }
- return pte;
-}
-
-static inline pte_t pte_mkyoung(pte_t pte)
-{
- (pte).pte_low |= _PAGE_ACCESSED;
- if ((pte).pte_low & _PAGE_READ)
- (pte).pte_low |= _PAGE_SILENT_READ;
- (pte).pte_high |= _PAGE_SILENT_READ;
- return pte;
-}
-#else
static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_READ; }
static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; }
static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_MODIFIED; }
pte_val(pte) |= _PAGE_SILENT_READ;
return pte;
}
-#endif
/*
* Macro to make mark a page protection value as "uncacheable". Note
*/
#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
- pte.pte_low &= _PAGE_CHG_MASK;
- pte.pte_low |= pgprot_val(newprot);
- pte.pte_high |= pgprot_val(newprot) & 0x3f;
- return pte;
-}
-#else
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
}
-#endif
extern void __update_tlb(struct vm_area_struct *vma, unsigned long address,
#define kern_addr_valid(addr) (1)
#endif
-#ifdef CONFIG_64BIT_PHYS_ADDR
-extern phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size);
-extern int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot);
-
-static inline int io_remap_page_range(struct vm_area_struct *vma,
- unsigned long vaddr,
- unsigned long paddr,
- unsigned long size,
- pgprot_t prot)
-{
- phys_t phys_addr_high = fixup_bigphys_addr(paddr, size);
- return remap_pfn_range(vma, vaddr, phys_addr_high >> PAGE_SHIFT, size, prot);
-}
-#else
-#define io_remap_page_range(vma, vaddr, paddr, size, prot) \
- remap_pfn_range(vma, vaddr, (paddr) >> PAGE_SHIFT, size, prot)
-#endif
-
#include <asm-generic/pgtable.h>
/*
*/
#define HAVE_ARCH_UNMAPPED_AREA
+#define io_remap_page_range remap_page_range
+
/*
* No page table caches to initialise
*/