Interface co-synthesis techniques for embedded systems
ICCAD '95 Proceedings of the 1995 IEEE/ACM international conference on Computer-aided design
Synchronization in portable device drivers
ACM SIGOPS Operating Systems Review
DATE '99 Proceedings of the conference on Design, automation and test in Europe
Dealing with Hardware in Embedded Software: A General Framework Based on the Devil Language
OM '01 Proceedings of the 2001 ACM SIGPLAN workshop on Optimization of middleware and distributed systems
Automatic generation of device drivers
ACM SIGPLAN Notices
NDL: a domain-specific language for device drivers
Proceedings of the 2004 ACM SIGPLAN/SIGBED conference on Languages, compilers, and tools for embedded systems
Modeling and Integration of Peripheral Devices in Embedded Systems
DATE '03 Proceedings of the conference on Design, Automation and Test in Europe - Volume 1
Optimal allocation of I/O device parameters in hardware and software codesign methodology
EUC'07 Proceedings of the 2007 international conference on Embedded and ubiquitous computing
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This work presents a new HW/SW codesign approach for programmable controllers (ICs or IPs) managing IO devices. A novel cost function is defined to evaluate a device driver's performance and formulate its exact minimization as a zero-one integer linear programming problem. The cost function is used to explore the design trade-off between the code performance of a device driver and the number of programmable registers in an IO controller. This work proposes a heuristic algorithm based on the cost function, which iteratively minimizes the software cost until the hardware constraint is violated. The proposed algorithm was implemented in C language and evaluated with a set of real devices. Compared with original designs, the proposed approach can obtain design alternatives that reduce both software and hardware costs.