9
Specialized Processor Extensions
In the preceding chapters, we discussed the features of general-purpose computer architectures and some architectural specializations intended to address domain-specific requirements. This chapter focuses on extensions commonly implemented at the processor instruction set level and in other computer system hardware to provide additional system capabilities beyond generic computing needs.
After reading this chapter, you will understand the purpose of privileged processor modes and how they operate in multiprocessing and multiuser contexts. You will be familiar with the concepts of floating-point processing units and instruction sets, techniques for power management in battery-powered devices, and processor and ...
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