May 2025
Intermediate to advanced
573 pages
14h 38m
English
Content preview from Operating System Design, 3rd Edition
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15 An Example Device Driver
It's hard to find a good driver these days, one with character and style.
— Unknown
15.1 Introduction
Chapters in this section of the text explore the general structure of an I/O system, including interrupt processing and real-time clock management. The previous chapter presents the organization of the I/O subsystem, a set of abstract I/O operations, and an efficient implementation using a device switch table.
This chapter continues the exploration of I/O. The chapter explains how a driver can define an I/O service at a high level of abstraction that is independent of the underlying hardware. The chapter also elaborates on the conceptual division of a device driver into upper and lower halves by explaining how ...
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