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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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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 <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 <bitops.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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{
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    unsigned int order;
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    if (size <= FRAME_SIZE)
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        order = 0;
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    else
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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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    dtlb_insert_mapping(virtaddr, physaddr, PAGESIZE_512K, true, false);
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    dtlb_insert_mapping(virtaddr + 512 * 1024, physaddr + 512 * 1024, PAGESIZE_512K, true, false);
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    return virtaddr;
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}