Shared SW development in multi-core automotive context

International audienceWe present a methodology for the common development of combustion engine control Software between TIER-1 supplier and OEM. The classical approach of shared development used in single core projects has to be adapted to the new challenges of integration and protection, in the multi-core context. New integration and protection constraints are specified at design time, which are considered at integration and protection time. A common integration step is defined, where interfaces and constraints at the border are agreed. After that, each part can be modified and protected independently, enabling parallel developments by the partners