WebSVN – HelenOS – Diff – //trunk/kernel/arch/ia64/src/mm/tlb.c



         * Forward the page fault to address space page fault handler.
         */
        page_table_unlock(AS, true);
        if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
            fault_if_from_uspace(istate,"Page fault at %p",va);
            panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
        }
    }
}
 
/** Data TLB fault handler for faults with VHPT turned off.

         * Forward the page fault to the address space page fault handler.
         */
        page_table_unlock(AS, true);
        if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
            fault_if_from_uspace(istate,"Page fault at %p",va);
            panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
        }
    }
}
 
/** Data nested TLB fault handler.

 * @param vector Interruption vector.
 * @param istate Structure with saved interruption state.
 */
void data_nested_tlb_fault(uint64_t vector, istate_t *istate)
{
    panic("%s\n", __func__);
}
 
/** Data Dirty bit fault handler.
 *
 * @param vector Interruption vector.

        t->d = true;
        dtc_pte_copy(t);
    } else {
        if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) {
            fault_if_from_uspace(istate,"Page fault at %p",va);
            panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
            t->d = true;
            dtc_pte_copy(t);
        }
    }
    page_table_unlock(AS, true);

        t->a = true;
        itc_pte_copy(t);
    } else {
        if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
            fault_if_from_uspace(istate,"Page fault at %p",va);
            panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
            t->a = true;
            itc_pte_copy(t);
        }
    }
    page_table_unlock(AS, true);

        t->a = true;
        dtc_pte_copy(t);
    } else {
        if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
            fault_if_from_uspace(istate,"Page fault at %p",va);
            panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
            t->a = true;
            itc_pte_copy(t);
        }
    }
    page_table_unlock(AS, true);

        page_table_unlock(AS, true);
    } else {
        page_table_unlock(AS, true);
        if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
            fault_if_from_uspace(istate,"Page fault at %p",va);
            panic("%s: va=%p, rid=%d\n", __func__, va, rid);
        }
    }
}
 
/** @}

Rev 2089	Rev 2462
Line 468...	Line 468...
468	* Forward the page fault to address space page fault handler.	468	* Forward the page fault to address space page fault handler.
469	*/	469	*/
470	page_table_unlock(AS, true);	470	page_table_unlock(AS, true);
471	if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {	471	if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
472	fault_if_from_uspace(istate,"Page fault at %p",va);	472	fault_if_from_uspace(istate,"Page fault at %p",va);
473	panic("%s: va=%p, rid=%d, iip=%p\n", __FUNCTION__, va, rid, istate->cr_iip);	473	panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
474	}	474	}
475	}	475	}
476	}	476	}
477		477
478	/** Data TLB fault handler for faults with VHPT turned off.	478	/** Data TLB fault handler for faults with VHPT turned off.
Line 515...	Line 515...
515	* Forward the page fault to the address space page fault handler.	515	* Forward the page fault to the address space page fault handler.
516	*/	516	*/
517	page_table_unlock(AS, true);	517	page_table_unlock(AS, true);
518	if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {	518	if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
519	fault_if_from_uspace(istate,"Page fault at %p",va);	519	fault_if_from_uspace(istate,"Page fault at %p",va);
520	panic("%s: va=%p, rid=%d, iip=%p\n", __FUNCTION__, va, rid, istate->cr_iip);	520	panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
521	}	521	}
522	}	522	}
523	}	523	}
524		524
525	/** Data nested TLB fault handler.	525	/** Data nested TLB fault handler.
Line 529...	Line 529...
529	* @param vector Interruption vector.	529	* @param vector Interruption vector.
530	* @param istate Structure with saved interruption state.	530	* @param istate Structure with saved interruption state.
531	*/	531	*/
532	void data_nested_tlb_fault(uint64_t vector, istate_t *istate)	532	void data_nested_tlb_fault(uint64_t vector, istate_t *istate)
533	{	533	{
534	panic("%s\n", __FUNCTION__);	534	panic("%s\n", __func__);
535	}	535	}
536		536
537	/** Data Dirty bit fault handler.	537	/** Data Dirty bit fault handler.
538	*	538	*
539	* @param vector Interruption vector.	539	* @param vector Interruption vector.
Line 561...	Line 561...
561	t->d = true;	561	t->d = true;
562	dtc_pte_copy(t);	562	dtc_pte_copy(t);
563	} else {	563	} else {
564	if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) {	564	if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) {
565	fault_if_from_uspace(istate,"Page fault at %p",va);	565	fault_if_from_uspace(istate,"Page fault at %p",va);
566	panic("%s: va=%p, rid=%d, iip=%p\n", __FUNCTION__, va, rid, istate->cr_iip);	566	panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
567	t->d = true;	567	t->d = true;
568	dtc_pte_copy(t);	568	dtc_pte_copy(t);
569	}	569	}
570	}	570	}
571	page_table_unlock(AS, true);	571	page_table_unlock(AS, true);
Line 598...	Line 598...
598	t->a = true;	598	t->a = true;
599	itc_pte_copy(t);	599	itc_pte_copy(t);
600	} else {	600	} else {
601	if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {	601	if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
602	fault_if_from_uspace(istate,"Page fault at %p",va);	602	fault_if_from_uspace(istate,"Page fault at %p",va);
603	panic("%s: va=%p, rid=%d, iip=%p\n", __FUNCTION__, va, rid, istate->cr_iip);	603	panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
604	t->a = true;	604	t->a = true;
605	itc_pte_copy(t);	605	itc_pte_copy(t);
606	}	606	}
607	}	607	}
608	page_table_unlock(AS, true);	608	page_table_unlock(AS, true);
Line 635...	Line 635...
635	t->a = true;	635	t->a = true;
636	dtc_pte_copy(t);	636	dtc_pte_copy(t);
637	} else {	637	} else {
638	if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {	638	if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
639	fault_if_from_uspace(istate,"Page fault at %p",va);	639	fault_if_from_uspace(istate,"Page fault at %p",va);
640	panic("%s: va=%p, rid=%d, iip=%p\n", __FUNCTION__, va, rid, istate->cr_iip);	640	panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
641	t->a = true;	641	t->a = true;
642	itc_pte_copy(t);	642	itc_pte_copy(t);
643	}	643	}
644	}	644	}
645	page_table_unlock(AS, true);	645	page_table_unlock(AS, true);
Line 677...	Line 677...
677	page_table_unlock(AS, true);	677	page_table_unlock(AS, true);
678	} else {	678	} else {
679	page_table_unlock(AS, true);	679	page_table_unlock(AS, true);
680	if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {	680	if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
681	fault_if_from_uspace(istate,"Page fault at %p",va);	681	fault_if_from_uspace(istate,"Page fault at %p",va);
682	panic("%s: va=%p, rid=%d\n", __FUNCTION__, va, rid);	682	panic("%s: va=%p, rid=%d\n", __func__, va, rid);
683	}	683	}
684	}	684	}
685	}	685	}
686		686
687	/** @}	687	/** @}

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(root)//trunk/kernel/arch/ia64/src/mm/tlb.c – Rev 2089 → 2462