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Line 98... Line 98...
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        case AS_PF_FAULT:
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        case AS_PF_FAULT:
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            page_table_lock(as, lock);
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            page_table_lock(as, lock);
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            *pfrc = rc;
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            *pfrc = rc;
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            return NULL;
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            return NULL;
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        default:
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        default:
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            panic("unexpected rc (%d)\n", rc);
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            panic("Unexpected rc (%d).", rc);
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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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    s = get_symtab_entry(istate->lr);
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    s = get_symtab_entry(istate->lr);
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    if (s)
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    if (s)
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        sym2 = s;
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        sym2 = s;
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    fault_if_from_uspace(istate,
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    fault_if_from_uspace(istate,
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        "%p: PHT Refill Exception at %p (%s<-%s)", badvaddr,
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        "%p: PHT Refill Exception at %p (%s<-%s).", badvaddr,
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        istate->pc, symbol, sym2);
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        istate->pc, symbol, sym2);
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    panic("%p: PHT Refill Exception at %p (%s<-%s)\n", badvaddr,
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    panic("%p: PHT Refill Exception at %p (%s<-%s).", badvaddr,
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        istate->pc, symbol, sym2);
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        istate->pc, symbol, sym2);
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}
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}
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static void pht_insert(const uintptr_t vaddr, const pfn_t pfn)
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static void pht_insert(const uintptr_t vaddr, const pfn_t pfn)
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             * or copy_to_uspace().
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             * or copy_to_uspace().
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             */
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             */
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            page_table_unlock(as, lock);
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            page_table_unlock(as, lock);
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            return;
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            return;
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        default:
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        default:
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            panic("Unexpected pfrc (%d)\n", pfrc);
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            panic("Unexpected pfrc (%d).", pfrc);
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        }
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        }
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    }
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    }
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    pte->a = 1; /* Record access to PTE */
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    pte->a = 1; /* Record access to PTE */
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    pht_insert(badvaddr, pte->pfn);
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    pht_insert(badvaddr, pte->pfn);