ARM System Developer's Guide

CHAPTER 11

EMBEDDED OPERATING SYSTEMS

11.1. FUNDAMENTAL COMPONENTS

11.2. EXAMPLE: SIMPLE LITTLE OPERATING SYSTEM

11.2.1. SLOS Directory Layout

11.2.2. Initialization

11.2.3. Memory Model

11.2.4. Interrupts and Exceptions Handling

11.2.5. Scheduler

11.2.6. Context Switch

11.2.7. Device Driver Framework

11.3. SUMMARY

This chapter discusses the implementation of embedded operating systems (OS). Because embedded operating systems are designed for a specific purpose, historically embedded operating systems were simple, time constrained, and operated in limited memory. This distinction has changed over time as the sophistication of embedded hardware has increased. Features, traditionally found on desktop computers, such as virtual memory, ...