156 struct xtensa_mpu_entry *check_addr_in_mpu_entries(const struct xtensa_mpu_entry *entries,  in check_addr_in_mpu_entries()  argument
168 	if (addr < xtensa_mpu_entry_start_address_get(&entries[first_enabled_idx])) {  in check_addr_in_mpu_entries()
175 		s_addr = xtensa_mpu_entry_start_address_get(&entries[idx]);  in check_addr_in_mpu_entries()
176 		e_addr = xtensa_mpu_entry_start_address_get(&entries[idx + 1]);  in check_addr_in_mpu_entries()
179 			ret = &entries[idx];  in check_addr_in_mpu_entries()
185 	s_addr = xtensa_mpu_entry_start_address_get(&entries[idx]);  in check_addr_in_mpu_entries()
188 		ret = &entries[idx];  in check_addr_in_mpu_entries()
218 static inline uint8_t find_first_enabled_entry(const struct xtensa_mpu_entry *entries)  in find_first_enabled_entry()  argument
224 		if (entries[first_enabled_idx].as.p.enable) {  in find_first_enabled_entry()
268 static void sort_entries(struct xtensa_mpu_entry *entries)  in sort_entries()  argument
270 	qsort(entries, XTENSA_MPU_NUM_ENTRIES, sizeof(entries[0]), compare_entries);  in sort_entries()
274 		entries[idx].at.p.segment = idx;  in sort_entries()
288 static uint8_t consolidate_entries(struct xtensa_mpu_entry *entries,  in consolidate_entries()  argument
298 		struct xtensa_mpu_entry *entry_0 = &entries[idx_0];  in consolidate_entries()
299 		struct xtensa_mpu_entry *entry_1 = &entries[idx_1];  in consolidate_entries()
351 			struct xtensa_mpu_entry *entry_rd = &entries[read_idx];  in consolidate_entries()
357 				entry_wr = &entries[write_idx];  in consolidate_entries()
370 			struct xtensa_mpu_entry *e = &entries[idx_0];  in consolidate_entries()
419 	struct xtensa_mpu_entry *entries = map->entries;  in mpu_map_region_add()  local
426 	first_enabled_idx = find_first_enabled_entry(entries);  in mpu_map_region_add()
435 		struct xtensa_mpu_entry *last_entry = &entries[XTENSA_MPU_NUM_ENTRIES - 1];  in mpu_map_region_add()
445 				entry_slot_s = &entries[XTENSA_MPU_NUM_ENTRIES - 1];  in mpu_map_region_add()
459 				entry_slot_s = &entries[XTENSA_MPU_NUM_ENTRIES - 2];  in mpu_map_region_add()
460 				entry_slot_e = &entries[XTENSA_MPU_NUM_ENTRIES - 1];  in mpu_map_region_add()
475 		first_enabled_idx = consolidate_entries(entries, first_enabled_idx);  in mpu_map_region_add()
484 		       check_addr_in_mpu_entries(entries, start_addr, first_enabled_idx,  in mpu_map_region_add()
487 		       check_addr_in_mpu_entries(entries, end_addr, first_enabled_idx,  in mpu_map_region_add()
536 		entry_slot_s = &entries[first_enabled_idx];  in mpu_map_region_add()
555 		entry_slot_e = &entries[first_enabled_idx];  in mpu_map_region_add()
567 	sort_entries(entries);  in mpu_map_region_add()
574 		       check_addr_in_mpu_entries(entries, start_addr, first_enabled_idx,  in mpu_map_region_add()
577 		       check_addr_in_mpu_entries(entries, end_addr, first_enabled_idx,  in mpu_map_region_add()
602 		xtensa_mpu_entry_attributes_set(&entries[idx], access_rights, memory_type);  in mpu_map_region_add()
659 				 : : "a"(map->entries[entry].at), "a"(map->entries[entry].as));  in xtensa_mpu_map_write()
694 		xtensa_mpu_map_fg_kernel.entries[entry] = ent;  in xtensa_mpu_init()
736 	consolidate_entries(xtensa_mpu_map_fg_kernel.entries, first_enabled_idx);  in xtensa_mpu_init()