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ARM Generic Interrupt Controller Architecture Specification
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ARM Generic Interrupt Controller Architecture Specification 官方手册
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Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved.
ARM IHI 0069B (ID121715)
ARM
®
Generic Interrupt Controller
Architecture Specification
GIC architecture version 3.0 and version 4.0
ii Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved. ARM IHI 0069B
Non-Confidential ID121715
ARM Generic Interrupt Controller Architecture Specification
GIC architecture version 3.0 and version 4.0
Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved.
Release Information
The following changes have been made to this document.
Some of the information in this specification was previously published in ARM® Generic Interrupt Controller, Architecture
version 2.0, Architecture Specification
.
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This document is protected by copyright and other related rights and the practice or implementation of the information contained
in this document may be protected by one or more patents or pending patent applications. No part of this document may be
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Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved. ARM Limited. Company 02557590 registered
in England.
110 Fulbourn Road, Cambridge, England CB1 9NJ.
LES-PRE-20327
Change History
Date Issue Confidentiality Change
June 2015 A Non-confidential First release of GICv3 and GICv4 issue A
December 2015 B Non-confidential First release of GICv3 and GICv4 issue B
ARM IHI 0069B Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved. iii
ID121715 Non-Confidential
In this document, where the term ARM is used to refer to the company it means “ARM or any of its subsidiaries as appropriate”.
Confidentiality Status
This document is Non-Confidential. The right to use, copy and disclose this document may be subject to license restrictions in
accordance with the terms of the agreement entered into by ARM and the party that ARM delivered this document to.
Product Status
The information in this document is final, that is for a developed product.
Web Address
http://www.arm.com
iv Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved. ARM IHI 0069B
Non-Confidential ID121715
ARM IHI 0069B Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved. v
ID121715 Non-Confidential
Contents
ARM Generic Interrupt Controller Architecture
Specification GIC architecture version 3.0 and
version 4.0
Preface
About this specification ............................................................................................... x
Using this specification ............................................................................................... xi
Conventions ............................................................................................................... xii
Additional reading ..................................................................................................... xiii
Feedback .................................................................................................................. xiv
Chapter 1 Introduction
1.1 About the Generic Interrupt Controller (GIC) .......................................................... 1-16
1.2 Terminology ........................................................................................................... 1-19
1.3 Supported configurations and compatibility ............................................................ 1-23
Chapter 2 GIC Partitioning
2.1 The GIC logical components .................................................................................. 2-30
2.2 Interrupt bypass support ........................................................................................ 2-35
Chapter 3 Distribution and Routing of Interrupts
3.1 The Distributor and Redistributors .......................................................................... 3-38
3.2 INTIDs .................................................................................................................... 3-39
3.3 Affinity routing ........................................................................................................ 3-43
Chapter 4 Physical Interrupt Handling and Prioritization
4.1 Interrupt lifecycle .................................................................................................... 4-46
4.2 Locality-specific Peripheral Interrupts .................................................................... 4-53
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