Chapter 14. Interrupts and Exceptions

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This chapter describes how usage of the Flat Model can effectively eliminate segmentation from the picture. It should be noted that virtually all modern OSs utilize the Flat Model.

This Chapter

This chapter provides a detailed description of all of the various types of interrupts and exceptions. A detailed description of the Local and IO APICs can be found in “The Local and IO APICs” on page 1497.

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This chapter provides a detailed description Virtual 8086 Mode (VM86 Mode). This description is directly applicable to all subsequent IA32 processors. VM86 Mode was enhanced starting with the advent of the Pentium® processor and a detailed description of those enhancements can ...

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