chapter 1 Introduction -- chapter 2 Reconfigurable Hardware -- chapter 3 A High-Level Hardware-Software Application Development Framework -- chapter 4 Energy Performance Modeling and Energy Efficient Mapping for a Class of Applications -- chapter 5 High-Level Rapid Energy Estimation and Design Space Ex- ploration -- chapter 6 Hardware-Software Co-Design for Energy Efficient Imple- mentations of Operating Systems -- chapter 7 Concluding Remarks and Future Directions.