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#include <arch/mm/page.h>
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#include <arch/mm/page.h>
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#include <arch/mm/tlb.h>
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#include <arch/mm/tlb.h>
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#include <genarch/mm/page_ht.h>
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#include <genarch/mm/page_ht.h>
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#include <mm/frame.h>
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#include <mm/frame.h>
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#include <arch/mm/frame.h>
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#include <bitops.h>
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#include <bitops.h>
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#include <debug.h>
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#include <debug.h>
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#include <align.h>
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void page_arch_init(void)
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void page_arch_init(void)
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{
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{
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    page_mapping_operations = &ht_mapping_operations;
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    page_mapping_operations = &ht_mapping_operations;
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}
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}
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    if (size <= FRAME_SIZE)
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    if (size <= FRAME_SIZE)
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        order = 0;
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        order = 0;
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    else
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    else
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        order = (fnzb32(size - 1) + 1) - FRAME_WIDTH;
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        order = (fnzb32(size - 1) + 1) - FRAME_WIDTH;
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    /*
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     * Use virtual addresses that are beyond the limit of physical memory.
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     * Thus, the physical address space will not be wasted by holes created
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     * by frame_alloc().
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     */
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    ASSERT(last_frame);
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    uintptr_t virtaddr = (uintptr_t) frame_alloc(order, FRAME_KA);
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    uintptr_t virtaddr = ALIGN_UP(last_frame, 1<<(order + FRAME_WIDTH));
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    last_frame = ALIGN_UP(virtaddr + size, 1<<(order + FRAME_WIDTH));
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    for (i = 0; i < sizemap[order].count; i++)
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    for (i = 0; i < sizemap[order].count; i++)
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        dtlb_insert_mapping(virtaddr + i*sizemap[order].increment,
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        dtlb_insert_mapping(virtaddr + i*sizemap[order].increment,
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                    physaddr + i*sizemap[order].increment,
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                    physaddr + i*sizemap[order].increment,
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                    sizemap[order].pagesize, true, false);
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                    sizemap[order].pagesize, true, false);
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    return virtaddr;
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    return virtaddr;
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}
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}
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 /** @}
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/** @}
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 */
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 */
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