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This manual describes the VxWorks operating system, and how to use VxWorks facilities in the development of real-time applications and systems. It covers the following topics: ■ kernel facilities, kernel-based applications, and kernel customization ■ multitasking facilities ■ POSIX standard interfaces ■ memory management ■ I/O system ■ local file systems ■ flash file system support with TrueFFS ■ error detection and reporting ■ target tools, such as the kernel shell, kernel object-module loader, and target symbol table ■ C++ development ■ distributed message queues (VxFusion) ■ shared memory objects (VxMP)

VxWorks for ARM provides the Wind River Workbench development tools and the VxWorks operating system for the Advanced RISC Machines (ARM) family of architectures. ARM is a compact core that operates at a low power level.

This document describes, in general terms, the elements that make up a board support package (BSP), the requirements for a VxWorks BSP, and the general behavior of a BSP during the boot process. This guide outlines the steps needed to port an existing BSP to a new hardware platform or to write a new VxWorks BSP for custom hardware using a reference BSP or template BSP as a starting point. It also provides hints and tips for debugging a BSP and solving common BSP development problems.