paging/460/PPCVMTranslationMap460.cpp

343 PPCVMTranslationMap460::MaxPagesNeededToMap(addr_t start, addr_t end) const
475 PPCVMTranslationMap460::Unmap(addr_t start, addr_t end)
479 	start = ROUNDDOWN(start, B_PAGE_SIZE);
482 	if (start >= end)
485 	TRACE("unmap_tmap: asked to free pages 0x%lx to 0x%lx\n", start, end);
487 //	dprintf("vm_translation_map.unmap_tmap: start 0x%lx, end 0x%lx\n", start, end);
489 	while (start < end) {
490 		if (RemovePageTableEntry(start))
493 		start += B_PAGE_SIZE;
500 	start = ROUNDDOWN(start, B_PAGE_SIZE);
501 	if (start >= end)
504 	TRACE("unmap_tmap: asked to free pages 0x%lx to 0x%lx\n", start, end);
509 		int index = VADDR_TO_PDENT(start);
511 			// no page table here, move the start up to access the next page
513 			start = ROUNDUP(start + 1, kPageTableAlignment);
523 		for (index = VADDR_TO_PTENT(start); (index < 1024) && (start < end);
524 				index++, start += B_PAGE_SIZE) {
530 			TRACE("unmap_tmap: removing page 0x%lx\n", start);
541 				InvalidatePage(start);
544 	} while (start != 0 && start < end);
589 PPCVMTranslationMap460::DebugMarkRangePresent(addr_t start, addr_t end,
595 	start = ROUNDDOWN(start, B_PAGE_SIZE);
596 	if (start >= end)
602 		int index = VADDR_TO_PDENT(start);
604 			// no page table here, move the start up to access the next page
606 			start = ROUNDUP(start + 1, kPageTableAlignment);
616 		for (index = VADDR_TO_PTENT(start); (index < 1024) && (start < end);
617 				index++, start += B_PAGE_SIZE) {
636 					InvalidatePage(start);
640 	} while (start != 0 && start < end);
757 	addr_t start = base;
761 		B_PRIxADDR ")\n", area, start, end);
770 		int index = VADDR_TO_PDENT(start);
772 			// no page table here, move the start up to access the next page
774 			start = ROUNDUP(start + 1, kPageTableAlignment);
784 		for (index = VADDR_TO_PTENT(start); (index < 1024) && (start < end);
785 				index++, start += B_PAGE_SIZE) {
797 				InvalidatePage(start);
852 	} while (start != 0 && start < end);
1089 PPCVMTranslationMap460::Protect(addr_t start, addr_t end, uint32 attributes,
1095 	start = ROUNDDOWN(start, B_PAGE_SIZE);
1096 	if (start >= end)
1099 	TRACE("protect_tmap: pages 0x%lx to 0x%lx, attributes %lx\n", start, end,
1114 		int index = VADDR_TO_PDENT(start);
1116 			// no page table here, move the start up to access the next page
1118 			start = ROUNDUP(start + 1, kPageTableAlignment);
1128 		for (index = VADDR_TO_PTENT(start); index < 1024 && start < end;
1129 				index++, start += B_PAGE_SIZE) {
1136 			TRACE("protect_tmap: protect page 0x%lx\n", start);
1159 				InvalidatePage(start);
1162 	} while (start != 0 && start < end);