Yangmin Seo

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User-level I/O gets increasingly important for embedded real-time applications, since it can allow programmers to write exible and eecient device drivers for proprietary devices. To support user-level I/O for embedded systems, an operating system must provide a mechanism to deliver an external interrupt from an I/O device to a process in a predictable and(More)
This paper formulates a problem of embedded real-time system re-engineering, and presents its solution approach. The re-engineering of an embedded system is defined as a development task of meeting newly imposed performance requirements after its hardware and software have been fully implemented. The performance requirements may include a real-time(More)
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