Move all of include/asm-m68knommu to arch/m68knommu/include/asm.

[linux-2.6-omap-h63xx.git] / arch / m68knommu / include / asm / page.h

diff --git a/arch/m68knommu/include/asm/page.h b/arch/m68knommu/include/asm/page.h
new file mode 100644 (file)
index 0000000..3a1ede4
--- /dev/null
+++ b/arch/m68knommu/include/asm/page.h
@@ -0,0 +1,77 @@
+#ifndef _M68KNOMMU_PAGE_H
+#define _M68KNOMMU_PAGE_H
+
+/* PAGE_SHIFT determines the page size */
+
+#define PAGE_SHIFT     (12)
+#define PAGE_SIZE      (1UL << PAGE_SHIFT)
+#define PAGE_MASK      (~(PAGE_SIZE-1))
+
+#include <asm/setup.h>
+
+#ifndef __ASSEMBLY__
+ 
+#define get_user_page(vaddr)           __get_free_page(GFP_KERNEL)
+#define free_user_page(page, addr)     free_page(addr)
+
+#define clear_page(page)       memset((page), 0, PAGE_SIZE)
+#define copy_page(to,from)     memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(page, vaddr, pg)       clear_page(page)
+#define copy_user_page(to, from, vaddr, pg)    copy_page(to, from)
+
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+       alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef struct { unsigned long pte; } pte_t;
+typedef struct { unsigned long pmd[16]; } pmd_t;
+typedef struct { unsigned long pgd; } pgd_t;
+typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct page *pgtable_t;
+
+#define pte_val(x)     ((x).pte)
+#define pmd_val(x)     ((&x)->pmd[0])
+#define pgd_val(x)     ((x).pgd)
+#define pgprot_val(x)  ((x).pgprot)
+
+#define __pte(x)       ((pte_t) { (x) } )
+#define __pmd(x)       ((pmd_t) { (x) } )
+#define __pgd(x)       ((pgd_t) { (x) } )
+#define __pgprot(x)    ((pgprot_t) { (x) } )
+
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+
+#endif /* !__ASSEMBLY__ */
+
+#include <asm/page_offset.h>
+
+#define PAGE_OFFSET            (PAGE_OFFSET_RAW)
+
+#ifndef __ASSEMBLY__
+
+#define __pa(vaddr)            virt_to_phys((void *)(vaddr))
+#define __va(paddr)            phys_to_virt((unsigned long)(paddr))
+
+#define virt_to_pfn(kaddr)     (__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_virt(pfn)       __va((pfn) << PAGE_SHIFT)
+
+#define virt_to_page(addr)     (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
+#define page_to_virt(page)     ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
+
+#define pfn_to_page(pfn)       virt_to_page(pfn_to_virt(pfn))
+#define page_to_pfn(page)      virt_to_pfn(page_to_virt(page))
+#define pfn_valid(pfn)         ((pfn) < max_mapnr)
+
+#define        virt_addr_valid(kaddr)  (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
+                               ((void *)(kaddr) < (void *)memory_end))
+
+#endif /* __ASSEMBLY__ */
+
+#include <asm-generic/page.h>
+
+#endif /* _M68KNOMMU_PAGE_H */