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 * @return      VHPT entry address.
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 * @return      VHPT entry address.
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 */
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 */
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vhpt_entry_t *vhpt_hash(uintptr_t page, asid_t asid)
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vhpt_entry_t *vhpt_hash(uintptr_t page, asid_t asid)
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{
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{
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    region_register rr_save, rr;
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    region_register rr_save, rr;
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    index_t vrn;
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    size_t vrn;
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    rid_t rid;
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    rid_t rid;
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    vhpt_entry_t *v;
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    vhpt_entry_t *v;
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    vrn = page >> VRN_SHIFT;
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    vrn = page >> VRN_SHIFT;
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    rid = ASID2RID(asid, vrn);
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    rid = ASID2RID(asid, vrn);
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 *          false otherwise.
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 *          false otherwise.
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 */
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 */
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bool vhpt_compare(uintptr_t page, asid_t asid, vhpt_entry_t *v)
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bool vhpt_compare(uintptr_t page, asid_t asid, vhpt_entry_t *v)
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{
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{
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    region_register rr_save, rr;   
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    region_register rr_save, rr;   
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    index_t vrn;
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    size_t vrn;
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    rid_t rid;
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    rid_t rid;
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    bool match;
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    bool match;
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    ASSERT(v);
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    ASSERT(v);
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void
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void
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vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame,
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vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame,
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    int flags)
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    int flags)
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{
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{
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    region_register rr_save, rr;   
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    region_register rr_save, rr;   
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    index_t vrn;
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    size_t vrn;
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    rid_t rid;
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    rid_t rid;
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    uint64_t tag;
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    uint64_t tag;
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    ASSERT(v);
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    ASSERT(v);
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