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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture covers the concept of interrupts as a mechanism to implement abstraction and multiplexing in operating systems. It explains the difference between interrupts and exceptions, the role of interrupt descriptor entries, and the process of handling interrupts in both user and kernel modes. The lecture also delves into interrupt processing, interrupt paths, and the initialization of the Interrupt Descriptor Table (IDT). Additionally, it discusses the interface to hardware interrupts, interrupt vectors, and the transition of privilege levels during interrupts.
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