实例介绍
【实例简介】ARM® Generic Interrupt Controller Architecture Specification Architecture version 2.0(IHI0048B_b_gic_architecture_specification_v2).pdf
【实例截图】
【核心代码】
Contents ARM Generic Interrupt Controller Architecture Specification Preface About this specification ............................................................................................. viii Using this specification ............................................................................................... ix Conventions ................................................................................................................. x Additional reading ....................................................................................................... xi Feedback ................................................................................................................... xii Chapter 1 Introduction 1.1 About the Generic Interrupt Controller architecture ............................................... 1-14 1.2 Security Extensions support .................................................................................. 1-16 1.3 Virtualization support ............................................................................................. 1-17 1.4 Terminology ........................................................................................................... 1-18 Chapter 2 GIC Partitioning 2.1 About GIC partitioning ............................................................................................ 2-22 2.2 The Distributor ....................................................................................................... 2-24 2.3 CPU interfaces ....................................................................................................... 2-26 Chapter 3 Interrupt Handling and Prioritization 3.1 About interrupt handling and prioritization ............................................................. 3-34 3.2 General handling of interrupts ................................................................................ 3-37 3.3 Interrupt prioritization ............................................................................................. 3-44 3.4 The effect of interrupt grouping on interrupt handling ............................................ 3-48 3.5 Interrupt grouping and interrupt prioritization ......................................................... 3-53 3.6 Additional features of the GIC Security Extensions ............................................... 3-59 3.7 Pseudocode details of interrupt handling and prioritization ................................... 3-61 Contents vi Copyright © 2008, 2011, 2013 ARM. All rights reserved. ARM IHI 0048B.b Non-Confidential ID072613 3.8 The effect of the Virtualization Extensions on interrupt handling ........................... 3-67 3.9 Example GIC usage models ................................................................................... 3-68 Chapter 4 Programmers’ Model 4.1 About the programmers’ model .............................................................................. 4-74 4.2 Effect of the GIC Security Extensions on the programmers’ model ....................... 4-80 4.3 Distributor register descriptions .............................................................................. 4-84 4.4 CPU interface register descriptions ...................................................................... 4-124 4.5 Preserving and restoring GIC state ...................................................................... 4-155 Chapter 5 GIC Support for Virtualization 5.1 About implementing a GIC in a system with processor virtualization ................... 5-158 5.2 Managing the GIC virtual CPU interface .............................................................. 5-160 5.3 GIC virtual interface control registers ................................................................... 5-167 5.4 The virtual CPU interface ..................................................................................... 5-178 5.5 GIC virtual CPU interface registers ...................................................................... 5-179 Appendix A Pseudocode Index A.1 Index of pseudocode functions ............................................................................ A-198 Appendix B Register Names B.1 Alternative register names ................................................................................... B-202 B.2 Register name aliases ......................................................................................... B-203 B.3 Index of architectural names ............................................................................... B-204 Appendix C Revisions Glossary
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