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#define __PAGE_H__
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#define __PAGE_H__
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#include <arch/mm/asid.h>
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#include <arch/mm/asid.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <typedefs.h>
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#include <memstr.h>
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#define PAGE_CACHEABLE_SHIFT        0
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#define PAGE_CACHEABLE_SHIFT        0
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#define PAGE_NOT_CACHEABLE_SHIFT    PAGE_CACHEABLE_SHIFT
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#define PAGE_NOT_CACHEABLE_SHIFT    PAGE_CACHEABLE_SHIFT
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#define PAGE_PRESENT_SHIFT      1
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#define PAGE_PRESENT_SHIFT      1
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#define PAGE_NOT_PRESENT_SHIFT      PAGE_PRESENT_SHIFT
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#define PAGE_NOT_PRESENT_SHIFT      PAGE_PRESENT_SHIFT
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#define PAGE_WRITE      (1<<PAGE_WRITE_SHIFT)
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#define PAGE_WRITE      (1<<PAGE_WRITE_SHIFT)
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#define PAGE_EXEC       (1<<PAGE_EXEC_SHIFT)
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#define PAGE_EXEC       (1<<PAGE_EXEC_SHIFT)
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#define PAGE_GLOBAL     (1<<PAGE_GLOBAL_SHIFT)
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#define PAGE_GLOBAL     (1<<PAGE_GLOBAL_SHIFT)
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/* TODO - check that userspace is OK, platform specific functions etc */
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static inline void copy_to_uspace(void *dst, void *src, count_t cnt)
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{
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    memcpy(dst, src, cnt);
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}
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static inline void copy_to_kernel(void *dst, void *src, count_t cnt)
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{
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    memcpy(dst, src, cnt);
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}
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/** Operations to manipulate page mappings. */
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/** Operations to manipulate page mappings. */
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struct page_mapping_operations {
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struct page_mapping_operations {
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    void (* mapping_insert)(as_t *as, __address page, __address frame, int flags);
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    void (* mapping_insert)(as_t *as, __address page, __address frame, int flags);
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    void (* mapping_remove)(as_t *as, __address page);
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    void (* mapping_remove)(as_t *as, __address page);
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    pte_t *(* mapping_find)(as_t *as, __address page);
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    pte_t *(* mapping_find)(as_t *as, __address page);