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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <memstr.h>
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#include <memstr.h>
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void page_init(void)
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void page_init(void)
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{  
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{
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    page_arch_init();
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    page_arch_init();
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    map_page_to_frame(0x0, 0x0, PAGE_NOT_PRESENT, 0);
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    map_page_to_frame(0x0, 0x0, PAGE_NOT_PRESENT, 0);
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}
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}
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/** Map memory structure
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/** Map memory structure
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 */
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 */
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void map_structure(__address s, size_t size)
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void map_structure(__address s, size_t size)
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{
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{
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    int i, cnt, length;
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    int i, cnt, length;
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    /* TODO: implement portable way of computing page address from address */
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    length = size + (s - (s & 0xfffff000));
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    length = size + (s - (s & ~(PAGE_SIZE-1)));
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    cnt = length/PAGE_SIZE + (length%PAGE_SIZE>0);
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    cnt = length/PAGE_SIZE + (length%PAGE_SIZE>0);
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    for (i = 0; i < cnt; i++)
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    for (i = 0; i < cnt; i++)
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        map_page_to_frame(s + i*PAGE_SIZE, s + i*PAGE_SIZE, PAGE_NOT_CACHEABLE, 0);
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        map_page_to_frame(s + i*PAGE_SIZE, s + i*PAGE_SIZE, PAGE_NOT_CACHEABLE, 0);
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