				//execute erase
				erasefunc_t *erasefn = lookup_erase_func_ptr(erase_layout[i].eraser);
				ret = erasefn(flashctx, start_addr, block_len);
				if (ret) {
					msg_cerr("Failed to execute erase command for offset %#x to %#x.\n", start_addr, start_addr + block_len);
					ret = -1;
					goto _end;
				}
				//adjust curcontents
				memset(curcontents+start_addr, erased_value, block_len);
				//after erase make it unselected again
				erase_layout[i].layout_list[j].selected = false;
				msg_cdbg("E(%x:%x)", start_addr, start_addr + block_len - 1);
				//verify erase
				ret = check_erased_range(flashctx, start_addr, block_len);
				if (ret) {
					msg_cerr("Verifying flash. Erase failed for range %#x : %#x, Abort.\n", start_addr, start_addr + block_len - 1);
					goto _end;
				}