Copyright © 2008, 2011, 2015-2017 ARM Limited or its affiliates. All rights reserved.
ARM IHI 0069D (ID072617)
ARM
®
Generic Interrupt Controller
Architecture Specification
GIC architecture version 3.0 and version 4.0
ii Copyright © 2008, 2011, 2015-2017 ARM Limited or its affiliates. All rights reserved. ARM IHI 0069D
Non-Confidential ID072617
ARM Generic Interrupt Controller Architecture Specification
GIC architecture version 3.0 and version 4.0
Copyright © 2008, 2011, 2015-2017 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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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
July 2016 C Non-confidential First release of GICv3 and GICv4 issue C
August 2017 D Non-confidential First release of GICv3 and GICv4 issue D
ARM IHI 0069D Copyright © 2008, 2011, 2015-2017 ARM Limited or its affiliates. All rights reserved. iii
ID072617 Non-Confidential
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The information in this document is final, that is for a developed product.
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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 Distribution and Routing of Interrupts
2.1 The Distributor and Redistributors .......................................................................... 2-30
2.2 INTIDs .................................................................................................................... 2-31
2.3 Affinity routing ........................................................................................................ 2-35
Chapter 3 GIC Partitioning
3.1 The GIC logical components .................................................................................. 3-38
3.2 Interrupt bypass support ........................................................................................ 3-43
Chapter 4 Physical Interrupt Handling and Prioritization
4.1 Interrupt lifecycle .................................................................................................... 4-46
4.2 Locality-specific Peripheral Interrupts .................................................................... 4-53
