148 static PageFlagsNode *pageflags_find(target_ulong start, target_ulong last)  in pageflags_find()  argument
152     n = interval_tree_iter_first(&pageflags_root, start, last);  in pageflags_find()
157                                      target_ulong last)  in pageflags_next()  argument
161     n = interval_tree_iter_next(&p->itree, start, last);  in pageflags_next()
176         rc = fn(priv, n->start, n->last + 1, p->flags);  in walk_memory_regions()
232 static void pageflags_create(target_ulong start, target_ulong last, int flags)  in pageflags_create()  argument
237     p->itree.last = last;  in pageflags_create()
243 static bool pageflags_unset(target_ulong start, target_ulong last)  in pageflags_unset()  argument
248         PageFlagsNode *p = pageflags_find(start, last);  in pageflags_unset()
260         p_last = p->itree.last;  in pageflags_unset()
264             p->itree.last = start - 1;  in pageflags_unset()
266             if (last < p_last) {  in pageflags_unset()
267                 pageflags_create(last + 1, p_last, p->flags);  in pageflags_unset()
270         } else if (p_last <= last) {  in pageflags_unset()
275             p->itree.start = last + 1;  in pageflags_unset()
288 static void pageflags_create_merge(target_ulong start, target_ulong last,  in pageflags_create_merge()  argument
303     if (last + 1 != 0) {  in pageflags_create_merge()
304         next = pageflags_find(last + 1, last + 1);  in pageflags_create_merge()
316             prev->itree.last = next->itree.last;  in pageflags_create_merge()
319             prev->itree.last = last;  in pageflags_create_merge()
326         pageflags_create(start, last, flags);  in pageflags_create_merge()
340 static bool pageflags_set_clear(target_ulong start, target_ulong last,  in pageflags_set_clear()  argument
349     p = pageflags_find(start, last);  in pageflags_set_clear()
352             pageflags_create_merge(start, last, set_flags);  in pageflags_set_clear()
358     p_last = p->itree.last;  in pageflags_set_clear()
377     if (start == p_start && last == p_last) {  in pageflags_set_clear()
394             p->itree.last = start - 1;  in pageflags_set_clear()
397             if (last < p_last) {  in pageflags_set_clear()
399                     pageflags_create(start, last, merge_flags);  in pageflags_set_clear()
401                 pageflags_create(last + 1, p_last, p_flags);  in pageflags_set_clear()
406                 if (p_last < last) {  in pageflags_set_clear()
415             if (last < p_last) {  in pageflags_set_clear()
417                 p->itree.start = last + 1;  in pageflags_set_clear()
420                     pageflags_create(start, last, merge_flags);  in pageflags_set_clear()
429                 if (p_last < last) {  in pageflags_set_clear()
445         if (p_last < last) {  in pageflags_set_clear()
455         p->itree.last = start - 1;  in pageflags_set_clear()
458         if (p_last < last) {  in pageflags_set_clear()
461         if (last < p_last) {  in pageflags_set_clear()
462             pageflags_create(last + 1, p_last, p_flags);  in pageflags_set_clear()
464     } else if (last < p_last) {  in pageflags_set_clear()
465         p->itree.start = last + 1;  in pageflags_set_clear()
472         pageflags_create(start, last, set_flags);  in pageflags_set_clear()
484 void page_set_flags(target_ulong start, target_ulong last, int flags)  in page_set_flags()  argument
492     assert(start <= last);  in page_set_flags()
493     assert(last <= GUEST_ADDR_MAX);  in page_set_flags()
499     last |= ~TARGET_PAGE_MASK;  in page_set_flags()
512         page_reset_target_data(start, last);  in page_set_flags()
513         inval_tb |= pageflags_unset(start, last);  in page_set_flags()
516         inval_tb |= pageflags_set_clear(start, last, flags,  in page_set_flags()
520         tb_invalidate_phys_range(start, last);  in page_set_flags()
526     target_ulong last;  in page_check_range()  local
534     last = start + len - 1;  in page_check_range()
535     if (last < start) {  in page_check_range()
541         PageFlagsNode *p = pageflags_find(start, last);  in page_check_range()
552                 p = pageflags_find(start, last);  in page_check_range()
580             if (last - start < TARGET_PAGE_SIZE) {  in page_check_range()
588         if (last <= p->itree.last) {  in page_check_range()
592         start = p->itree.last + 1;  in page_check_range()
602 bool page_check_range_empty(target_ulong start, target_ulong last)  in page_check_range_empty()  argument
604     assert(last >= start);  in page_check_range_empty()
606     return pageflags_find(start, last) == NULL;  in page_check_range_empty()
641         if (max <= p->itree.last) {  in page_find_range_empty()
646         min = p->itree.last + 1;  in page_find_range_empty()
653     target_ulong start, last;  in page_protect()  local
660         last = start + TARGET_PAGE_SIZE - 1;  in page_protect()
663         last = start + qemu_host_page_size - 1;  in page_protect()
666     p = pageflags_find(start, last);  in page_protect()
672     if (unlikely(p->itree.last < last)) {  in page_protect()
675         while ((p = pageflags_next(p, start, last)) != NULL) {  in page_protect()
681         pageflags_set_clear(start, last, 0, PAGE_WRITE);  in page_protect()
870 void page_reset_target_data(target_ulong start, target_ulong last)  in page_reset_target_data()  argument
877     last |= ~TARGET_PAGE_MASK;  in page_reset_target_data()
879     for (n = interval_tree_iter_first(&targetdata_root, start, last),  in page_reset_target_data()
880          next = n ? interval_tree_iter_next(n, start, last) : NULL;  in page_reset_target_data()
883          next = next ? interval_tree_iter_next(n, start, last) : NULL) {  in page_reset_target_data()
887         if (n->start >= start && n->last <= last) {  in page_reset_target_data()
900         n_last = MIN(last, n->last);  in page_reset_target_data()
930             n->last = region | ~TBD_MASK;  in page_get_target_data()
940 void page_reset_target_data(target_ulong start, target_ulong last) { }  in page_reset_target_data()  argument