arch/ppc/mmu.cpp

206 fill_page_table_entry(page_table_entry *entry, uint32 virtualSegmentID,
210 	((uint32 *)entry)[1]
212 	/*entry->physical_page_number = (uint32)physicalAddress / B_PAGE_SIZE;
213 	entry->_reserved0 = 0;
214 	entry->referenced = false;
215 	entry->changed = false;
216 	entry->write_through = (mode >> 6) & 1;
217 	entry->caching_inhibited = (mode >> 5) & 1;
218 	entry->memory_coherent = (mode >> 4) & 1;
219 	entry->guarded = (mode >> 3) & 1;
220 	entry->_reserved1 = 0;
221 	entry->page_protection = mode & 0x3;*/
224 		// already written when the entry becomes valid
227 	entry->virtual_segment_id = virtualSegmentID;
228 	entry->secondary_hash = secondaryHash;
229 	entry->abbr_page_index = ((uint32)virtualAddress >> 22) & 0x3f;
230 	entry->valid = true;
246 		if (group->entry[i].valid)
249 		fill_page_table_entry(&group->entry[i], virtualSegmentID,
260 		if (group->entry[i].valid)
263 		fill_page_table_entry(&group->entry[i], virtualSegmentID,
625 	// Find page table entry for this address
633 	page_table_entry *entry = NULL;
636 		entry = &group->entry[i];
638 		if (entry->valid
639 			&& entry->virtual_segment_id == virtualSegmentID
640 			&& entry->secondary_hash == false
641 			&& entry->abbr_page_index == ((virtualAddress >> 22) & 0x3f))
649 		entry = &group->entry[i];
651 		if (entry->valid
652 			&& entry->virtual_segment_id == virtualSegmentID
653 			&& entry->secondary_hash == true
654 			&& entry->abbr_page_index == ((virtualAddress >> 22) & 0x3f))
663 	// we found the entry in question
664 	physicalAddress = (int)(entry->physical_page_number * B_PAGE_SIZE);
665 	mode = (entry->write_through << 6)		// WIMGxPP
666 		| (entry->caching_inhibited << 5)
667 		| (entry->memory_coherent << 4)
668 		| (entry->guarded << 3)
669 		| entry->page_protection;