arch/m68k/arch_vm_translation_map_impl.cpp

202 _update_all_pgdirs(int index, page_root_entry e)
210 		entry->arch_data->rtdir_virt[index] = e;
228 	int32 index;
232 	index = VADDR_TO_PRENT(va);
233 	TRACE(("%s: pr[%d].type %d\n", __FUNCTION__, index, pr[index].type));
234 	if (pr && pr[index].type == DT_ROOT) {
235 		pa = PRE_TO_TA(pr[index]);
240 		index = VADDR_TO_PDENT(va);
241 		TRACE(("%s: pd[%d].type %d\n", __FUNCTION__, index,
242 				pd?(pd[index].type):-1));
243 		if (pd && pd[index].type == DT_DIR) {
244 			pa = PDE_TO_TA(pd[index]);
247 			index = VADDR_TO_PTENT(va);
248 			TRACE(("%s: pt[%d].type %d\n", __FUNCTION__, index,
249 					pt?(pt[index].type):-1));
250 			if (pt && pt[index].type == DT_INDIRECT) {
252 				pa = PIE_TO_TA(pi[index]);
254 				index = 0; // single descriptor
257 			if (pt && pt[index].type == DT_PAGE) {
258 				*_physicalAddress = PTE_TO_PA(pt[index]);
530 	dprintf("index is %d\n", va / B_PAGE_SIZE / 1024);
653 	int index;
664 	index = VADDR_TO_PRENT(start);
665 	if (pr[index].type != DT_ROOT) {
672 		status = get_physical_page_tmap_internal(PRE_TO_PA(pr[index]),
677 	pd += (index % NUM_DIRTBL_PER_PAGE) * NUM_DIRENT_PER_TBL;
679 	index = VADDR_TO_PDENT(start);
680 	if (pd[index].type != DT_DIR) {
688 		status = get_physical_page_tmap_internal(PDE_TO_PA(pd[index]),
693 	pt += (index % NUM_PAGETBL_PER_PAGE) * NUM_PAGEENT_PER_TBL;
695 	for (index = VADDR_TO_PTENT(start);
696 			(index < NUM_PAGEENT_PER_TBL) && (start < end);
697 			index++, start += B_PAGE_SIZE) {
698 		if (pt[index].type != DT_PAGE && pt[index].type != DT_INDIRECT) {
705 		pt[index].type = DT_INVALID;
730 	int32 index;
736 	index = VADDR_TO_PRENT(va);
737 	if (pr && pr[index].type == DT_ROOT) {
738 		put_page_table_entry_in_pgtable(&sQueryDesc, PRE_TO_TA(pr[index]), B_KERNEL_READ_AREA, false);
742 		index = VADDR_TO_PDENT(va);
743 		if (pd && pd[index].type == DT_DIR) {
744 			put_page_table_entry_in_pgtable(&sQueryDesc, PDE_TO_TA(pd[index]), B_KERNEL_READ_AREA, false);
748 			index = VADDR_TO_PTENT(va);
749 			if (pt && pt[index].type == DT_INDIRECT) {
751 				put_page_table_entry_in_pgtable(&sQueryDesc, PIE_TO_TA(pi[index]), B_KERNEL_READ_AREA, false);
754 				index = 0; // single descriptor
757 			if (pt /*&& pt[index].type == DT_PAGE*/) {
758 				*_physical = PTE_TO_PA(pt[index]);
761 				*_flags |= ((pt[index].write_protect ? 0 : B_KERNEL_WRITE_AREA) | B_KERNEL_READ_AREA)
762 						| (pt[index].dirty ? PAGE_MODIFIED : 0)
763 						| (pt[index].accessed ? PAGE_ACCESSED : 0)
764 						| ((pt[index].type == DT_PAGE) ? PAGE_PRESENT : 0);
786 	int32 index;
792 	index = VADDR_TO_PRENT(va);
793 	if (pr[index].type != DT_ROOT) {
799 		status = get_physical_page_tmap_internal(PRE_TO_PA(pr[index]),
804 	pd += (index % NUM_DIRTBL_PER_PAGE) * NUM_DIRENT_PER_TBL;
807 	index = VADDR_TO_PDENT(va);
808 	if (pd[index].type != DT_DIR) {
815 		status = get_physical_page_tmap_internal(PDE_TO_PA(pd[index]),
820 	pt += (index % NUM_PAGETBL_PER_PAGE) * NUM_PAGEENT_PER_TBL;
822 	index = VADDR_TO_PTENT(va);
825 	if (pt[index].type == DT_INDIRECT) {
829 			status = get_physical_page_tmap_internal(PIE_TO_PA(pi[index]),
834 		pt += PIE_TO_PO(pi[index]) / sizeof(page_table_entry);
839 	*_physical = PTE_TO_PA(pt[index]);
842 	if (!pt[index].supervisor)
843 		*_flags |= (pt[index].write_protect ? 0 : B_WRITE_AREA) | B_READ_AREA;
845 	*_flags |= (pt[index].write_protect ? 0 : B_KERNEL_WRITE_AREA)
847 		| (pt[index].dirty ? PAGE_MODIFIED : 0)
848 		| (pt[index].accessed ? PAGE_ACCESSED : 0)
849 		| ((pt[index].type == DT_PAGE) ? PAGE_PRESENT : 0);
875 	int index;
886 	index = VADDR_TO_PRENT(start);
887 	if (pr[index].type != DT_ROOT) {
894 		status = get_physical_page_tmap_internal(PRE_TO_PA(pr[index]),
899 	pd += (index % NUM_DIRTBL_PER_PAGE) * NUM_DIRENT_PER_TBL;
901 	index = VADDR_TO_PDENT(start);
902 	if (pd[index].type != DT_DIR) {
910 		status = get_physical_page_tmap_internal(PDE_TO_PA(pd[index]),
915 	pt += (index % NUM_PAGETBL_PER_PAGE) * NUM_PAGEENT_PER_TBL;
917 	for (index = VADDR_TO_PTENT(start);
918 			(index < NUM_PAGEENT_PER_TBL) && (start < end);
919 			index++, start += B_PAGE_SIZE) {
921 		if (pt[index].type != DT_PAGE /*&& pt[index].type != DT_INDIRECT*/) {
928 		pt[index].supervisor = (attributes & B_USER_PROTECTION) == 0;
930 			pt[index].write_protect = (attributes & B_WRITE_AREA) == 0;
932 			pt[index].write_protect = (attributes & B_KERNEL_WRITE_AREA) == 0;
956 	int index;
959 	index = VADDR_TO_PRENT(va);
960 	if (pr[index].type != DT_ROOT) {
966 		status = get_physical_page_tmap_internal(PRE_TO_PA(pr[index]),
971 	pd += (index % NUM_DIRTBL_PER_PAGE) * NUM_DIRENT_PER_TBL;
974 	index = VADDR_TO_PDENT(va);
975 	if (pd[index].type != DT_DIR) {
982 		status = get_physical_page_tmap_internal(PDE_TO_PA(pd[index]),
987 	pt += (index % NUM_PAGETBL_PER_PAGE) * NUM_PAGEENT_PER_TBL;
989 	index = VADDR_TO_PTENT(va);
992 	if (pt[index].type == DT_INDIRECT) {
996 			status = get_physical_page_tmap_internal(PIE_TO_PA(pi[index]),
1001 		pt += PIE_TO_PO(pi[index]) / sizeof(page_table_entry);
1008 		pt[index].dirty = 0;
1012 		pt[index].accessed = 0;
1292 		int index;
1301 			index = VADDR_TO_PRENT(sIOSpaceBase) + i / NUM_DIRENT_PER_TBL;
1302 			pd = (page_directory_entry *)PRE_TO_TA(pr[index]);
1377 		int32 index;
1381 		index = VADDR_TO_PRENT((addr_t)&sQueryDesc);
1382 		physicalPageDir = PRE_TO_PA(sKernelVirtualPageRoot[index]);
1387 		index = VADDR_TO_PDENT((addr_t)&sQueryDesc);
1388 		physicalPageTable = PDE_TO_PA(pageDirEntry[index]);
1393 		index = VADDR_TO_PTENT((addr_t)&sQueryDesc);
1396 		physicalIndirectDesc = PTE_TO_PA(pageTableEntry[index]);
1407 		index = VADDR_TO_PRENT(queryPage);
1408 		physicalPageDir = PRE_TO_PA(sKernelVirtualPageRoot[index]);
1413 		index = VADDR_TO_PDENT(queryPage);
1414 		physicalPageTable = PDE_TO_PA(pageDirEntry[index]);
1419 		index = VADDR_TO_PTENT(queryPage);
1421 		put_page_indirect_entry_in_pgtable(&pageTableEntry[index], physicalIndirectDesc,
1452 	uint32 index;
1459 	index = VADDR_TO_PRENT(va);
1460 	if (pr[index].type != DT_ROOT) {
1461 		unsigned aindex = index & ~(NUM_DIRTBL_PER_PAGE-1); /* aligned */
1462 		TRACE(("missing page root entry %d ai %d\n", index, aindex));
1481 	pd = (page_directory_entry *)PRE_TO_TA(pr[index]);
1483 	index = VADDR_TO_PDENT(va);
1484 	if (pd[index].type != DT_DIR) {
1485 		unsigned aindex = index & ~(NUM_PAGETBL_PER_PAGE-1); /* aligned */
1486 		TRACE(("missing page dir entry %d ai %d\n", index, aindex));
1504 	pt = (page_table_entry *)PDE_TO_TA(pd[index]);
1506 	index = VADDR_TO_PTENT(va);
1507 	put_page_table_entry_in_pgtable(&pt[index], pa, attributes,