paging/pae/X86VMTranslationMapPAE.cpp

363 X86VMTranslationMapPAE::MaxPagesNeededToMap(addr_t start, addr_t end) const
365 	// If start == 0, the actual base address is not yet known to the caller and
367 	if (start == 0) {
369 		start = kPAEPageTableRange - B_PAGE_SIZE;
373 	return end / kPAEPageTableRange + 1 - start / kPAEPageTableRange;
442 X86VMTranslationMapPAE::Unmap(addr_t start, addr_t end)
444 	start = ROUNDDOWN(start, B_PAGE_SIZE);
445 	if (start >= end)
449 		"\n", start, end);
454 				fPagingStructures->VirtualPageDirs(), start);
456 			// no page table here, move the start up to access the next page
458 			start = ROUNDUP(start + 1, kPAEPageTableRange);
469 		uint32 index = start / B_PAGE_SIZE % kPAEPageTableEntryCount;
470 		for (; index < kPAEPageTableEntryCount && start < end;
471 				index++, start += B_PAGE_SIZE) {
478 				B_PRIxADDR "\n", start);
484 			T(Unmap(this, start, oldEntry));
492 				InvalidatePage(start);
495 	} while (start != 0 && start < end);
502 X86VMTranslationMapPAE::DebugMarkRangePresent(addr_t start, addr_t end,
505 	start = ROUNDDOWN(start, B_PAGE_SIZE);
506 	if (start >= end)
512 				fPagingStructures->VirtualPageDirs(), start);
514 			// no page table here, move the start up to access the next page
516 			start = ROUNDUP(start + 1, kPAEPageTableRange);
527 		uint32 index = start / B_PAGE_SIZE % kPAEPageTableEntryCount;
528 		for (; index < kPAEPageTableEntryCount && start < end;
529 				index++, start += B_PAGE_SIZE) {
549 					InvalidatePage(start);
553 	} while (start != 0 && start < end);
637 	addr_t start = base;
641 		B_PRIxADDR ")\n", area, start, end);
650 				fPagingStructures->VirtualPageDirs(), start);
652 			// no page table here, move the start up to access the next page
654 			start = ROUNDUP(start + 1, kPAEPageTableRange);
665 		uint32 index = start / B_PAGE_SIZE % kPAEPageTableEntryCount;
666 		for (; index < kPAEPageTableEntryCount && start < end;
667 				index++, start += B_PAGE_SIZE) {
673 			T(Unmap(this, start, oldEntry));
681 				InvalidatePage(start);
736 	} while (start != 0 && start < end);
985 X86VMTranslationMapPAE::Protect(addr_t start, addr_t end, uint32 attributes,
988 	start = ROUNDDOWN(start, B_PAGE_SIZE);
989 	if (start >= end)
993 		", attributes: %#" B_PRIx32 "\n", start, end, attributes);
1012 				fPagingStructures->VirtualPageDirs(), start);
1014 			// no page table here, move the start up to access the next page
1016 			start = ROUNDUP(start + 1, kPAEPageTableRange);
1027 		uint32 index = start / B_PAGE_SIZE % kPAEPageTableEntryCount;
1028 		for (; index < kPAEPageTableEntryCount && start < end;
1029 				index++, start += B_PAGE_SIZE) {
1037 				B_PRIxADDR "\n", start);
1054 			T(Protect(this, start, entry,
1063 				InvalidatePage(start);
1066 	} while (start != 0 && start < end);