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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 <bitops.h>
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#include <bitops.h>
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#include <debug.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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__address hw_map(__address physaddr, size_t size)
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__address hw_map(__address physaddr, size_t size)
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{
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{
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    unsigned int order;
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    unsigned int order;
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    int i;
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    struct {
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        int pagesize;
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        size_t increment;
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        count_t count;
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    } sizemap[] = {
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        { PAGESIZE_8K, 0, 1 },          /* 8K */
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        { PAGESIZE_8K, PAGE_SIZE, 2 },      /* 16K */
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        { PAGESIZE_8K, PAGE_SIZE, 4 },      /* 32K */
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        { PAGESIZE_64K, 0, 1},          /* 64K */
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        { PAGESIZE_64K, 8*PAGE_SIZE, 2 },   /* 128K */
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        { PAGESIZE_64K, 8*PAGE_SIZE, 4 },   /* 256K */
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        { PAGESIZE_512K, 0, 1 },        /* 512K */
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        { PAGESIZE_512K, 64*PAGE_SIZE, 2 }, /* 1M */
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        { PAGESIZE_512K, 64*PAGE_SIZE, 4 }, /* 2M */
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        { PAGESIZE_4M, 0, 1 }           /* 4M */
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    };
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    ASSERT(size <= 4*1024*1024);
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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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    __address virtaddr = PA2KA(PFN2ADDR(frame_alloc(order, FRAME_KA)));
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    __address virtaddr = PA2KA(PFN2ADDR(frame_alloc(order, FRAME_KA)));
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    for (i = 0; i < sizemap[order].count; i++)
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    dtlb_insert_mapping(virtaddr, physaddr, PAGESIZE_512K, true, false);
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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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    dtlb_insert_mapping(virtaddr + 512 * 1024, physaddr + 512 * 1024, PAGESIZE_512K, 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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}