static MemoryRegionSection *phys_page_find(PhysPageEntry lp, hwaddr addr, Node *nodes, MemoryRegionSection *sections) { PhysPageEntry *p; hwaddr index = addr >> TARGET_PAGE_BITS; int i; for (i = P_L2_LEVELS; lp.skip && (i -= lp.skip) >= 0;) { if (lp.ptr == PHYS_MAP_NODE_NIL) { return &sections[PHYS_SECTION_UNASSIGNED]; } p = nodes[lp.ptr]; lp = p[(index >> (i * P_L2_BITS)) & (P_L2_SIZE - 1)]; } return &sections[lp.ptr]; }