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Interrupt Management

This section discusses interrupt management for native drivers in PCI-based Power Macintosh computers. A general description of the new interrupt model is given first, followed by a detailed description of its programming interface. Interrupt timing services are described in Interrupt Timers.

Definitions

Interrupt Model

Hardware and Secondary Interrupt Levels

Interrupt Source Tree Composition

Interrupt Registration

Interrupt Dispatching

Interrupt Source Tree Construction

Interrupts and the Name Registry

Extending the Interrupt Source Tree

Basic Data Types

Control Routines

Control Routine Installation and Examination

Interrupt Set Creation and Options

Software Interrupts

Secondary Interrupt Handlers

Interrupt Code Example

Time Base

Measuring Elapsed Time

Basic Time Types

Obtaining the Time

Time Conversion Routines

Interrupt Timers