* The following only work if pte_present() is true.
* Undefined behaviour if not..
*/
-static inline int pte_read(pte_t pte)
-{
- return pte_val(pte) & _PAGE_USER;
-}
static inline int pte_write(pte_t pte)
{
return pte_val(pte) & _PAGE_RW;
}
-static inline int pte_exec(pte_t pte)
-{
- return pte_val(pte) & _PAGE_EXECUTE;
-}
static inline int pte_dirty(pte_t pte)
{
return pte_val(pte) & _PAGE_DIRTY;
}
/* Mutator functions for PTE bits */
-static inline pte_t pte_rdprotect(pte_t pte)
-{
- set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER));
- return pte;
-}
static inline pte_t pte_wrprotect(pte_t pte)
{
set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW));
return pte;
}
-static inline pte_t pte_exprotect(pte_t pte)
-{
- set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_EXECUTE));
- return pte;
-}
static inline pte_t pte_mkclean(pte_t pte)
{
set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY));
set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED));
return pte;
}
-static inline pte_t pte_mkread(pte_t pte)
-{
- set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER));
- return pte;
-}
static inline pte_t pte_mkwrite(pte_t pte)
{
set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW));
return pte;
}
-static inline pte_t pte_mkexec(pte_t pte)
-{
- set_pte(&pte, __pte(pte_val(pte) | _PAGE_EXECUTE));
- return pte;
-}
static inline pte_t pte_mkdirty(pte_t pte)
{
set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY));
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)
-#define MK_IOSPACE_PFN(space, pfn) (pfn)
-#define GET_IOSPACE(pfn) 0
-#define GET_PFN(pfn) (pfn)
-
/* No page table caches to initialize (?) */
#define pgtable_cache_init() do { } while(0)