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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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
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iv Copyright © 2008, 2011, 2015 ARM Limited or its affiliates. All rights reserved. ARM IHI 0069B
Non-Confidential ID121715
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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
