Despite its importance the role of HdS is most often underestimated and the topic is not well represented in literature and education. To address this Hardware-dependent Software brings together experts from different HdS areas. By providing a comprehensive overview of general HdS principles tools and applications this book provides adequate insight into the current technology and upcoming developments in the domain of HdS. The reader will find an interesting text book with self-contained introductions to the principles of Real-Time Operating Systems (RTOS) the emerging BIOS successor UEFI and the Hardware Abstraction Layer (HAL). Other chapters cover industrial applications verification and tool environments. Tool introductions cover the application of tools in the ASIP software tool chain (i.e. Tensilica) and the generation of drivers and OS components from C-based languages. Applications focus on telecommunication and automotive systems.