* This hopefully works with any standard Alpha page-size, as defined
* in <asm/page.h> (currently 8192).
*/
-#include <linux/config.h>
#include <linux/mmzone.h>
#include <asm/page.h>
#include <asm/processor.h> /* For TASK_SIZE */
#include <asm/machvec.h>
+struct mm_struct;
+struct vm_area_struct;
+
/* Certain architectures need to do special things when PTEs
* within a page table are directly modified. Thus, the following
* hook is made available.
*/
#define set_pte(pteptr, pteval) ((*(pteptr)) = (pteval))
+#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
/* PMD_SHIFT determines the size of the area a second-level page table can map */
#define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3))
#define PTRS_PER_PMD (1UL << (PAGE_SHIFT-3))
#define PTRS_PER_PGD (1UL << (PAGE_SHIFT-3))
#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_PGD_NR 0
+#define FIRST_USER_ADDRESS 0
/* Number of pointers that fit on a page: this will go away. */
#define PTRS_PER_PAGE (1UL << (PAGE_SHIFT-3))
#define __S110 _PAGE_S(0)
#define __S111 _PAGE_S(0)
+/*
+ * pgprot_noncached() is only for infiniband pci support, and a real
+ * implementation for RAM would be more complicated.
+ */
+#define pgprot_noncached(prot) (prot)
+
/*
* BAD_PAGETABLE is used when we need a bogus page-table, while
* BAD_PAGE is used for a bogus page.
extern inline unsigned long
-pmd_page_kernel(pmd_t pmd)
+pmd_page_vaddr(pmd_t pmd)
{
return ((pmd_val(pmd) & _PFN_MASK) >> (32-PAGE_SHIFT)) + PAGE_OFFSET;
}
#ifndef CONFIG_DISCONTIGMEM
#define pmd_page(pmd) (mem_map + ((pmd_val(pmd) & _PFN_MASK) >> 32))
+#define pgd_page(pgd) (mem_map + ((pgd_val(pgd) & _PFN_MASK) >> 32))
#endif
-extern inline unsigned long pgd_page(pgd_t pgd)
+extern inline unsigned long pgd_page_vaddr(pgd_t pgd)
{ return PAGE_OFFSET + ((pgd_val(pgd) & _PFN_MASK) >> (32-PAGE_SHIFT)); }
extern inline int pte_none(pte_t pte) { return !pte_val(pte); }
extern inline int pte_present(pte_t pte) { return pte_val(pte) & _PAGE_VALID; }
-extern inline void pte_clear(pte_t *ptep) { pte_val(*ptep) = 0; }
+extern inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+{
+ pte_val(*ptep) = 0;
+}
extern inline int pmd_none(pmd_t pmd) { return !pmd_val(pmd); }
extern inline int pmd_bad(pmd_t pmd) { return (pmd_val(pmd) & ~_PFN_MASK) != _PAGE_TABLE; }
/* Find an entry in the second-level page table.. */
extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
{
- return (pmd_t *) pgd_page(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
+ return (pmd_t *) pgd_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
}
/* Find an entry in the third-level page table.. */
extern inline pte_t * pte_offset_kernel(pmd_t * dir, unsigned long address)
{
- return (pte_t *) pmd_page_kernel(*dir)
+ return (pte_t *) pmd_page_vaddr(*dir)
+ ((address >> PAGE_SHIFT) & (PTRS_PER_PAGE - 1));
}
#define kern_addr_valid(addr) (1)
#endif
-#define io_remap_page_range(vma, start, busaddr, size, prot) \
-({ \
- void *va = (void __force *)ioremap(busaddr, size); \
- unsigned long pfn = virt_to_phys(va) >> PAGE_SHIFT; \
- remap_pfn_range(vma, start, pfn, size, prot); \
-})
+#define io_remap_pfn_range(vma, start, pfn, size, prot) \
+ remap_pfn_range(vma, start, pfn, size, prot)
+
+#define MK_IOSPACE_PFN(space, pfn) (pfn)
+#define GET_IOSPACE(pfn) 0
+#define GET_PFN(pfn) (pfn)
#define pte_ERROR(e) \
printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e))