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Differential D59171

arm64: Add ACPI support to GICv5 driver
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Authored by sarah.walker2_arm.com on Aug 25 2026, 12:49 PM.
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andrew
manu
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rG9556306213e1: arm64: Add ACPI support to GICv5 driver
Summary

Add ACPI support to the GICv5 IRS, ITS and IWB drivers. Device parameters are
derived from the MADT and IORT tables.

Sponsored by: Arm Ltd

Diff Detail

Repository
rG FreeBSD src repository
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Build Status
Buildable 76144
Build 73027: arc lint + arc unit

Event Timeline

sarah.walker2_arm.com created this revision.Aug 25 2026, 12:49 PM
Herald added a reviewer: andrew. · View Herald TranscriptAug 25 2026, 12:49 PM
Herald added a reviewer: andrew. · View Herald Transcript
Herald added a reviewer: manu. · View Herald Transcript
Herald added subscribers: emaste, imp. · View Herald Transcript
sarah.walker2_arm.com requested review of this revision.Aug 25 2026, 12:49 PM
Harbormaster completed remote builds in B76144: Diff 185024.Aug 25 2026, 12:49 PM
sarah.walker2_arm.com added a parent revision: D59170: arm64: Add GICv5 GSI definitions.Aug 25 2026, 12:49 PM
andrew added inline comments.Thu, Sep 10, 11:28 AM
sys/arm64/arm64/gicv5_acpi.c
152–168

Are these needed? I though the GICv5 driver only needs the IRS ranges & these are passed to the ITS driver.

sarah.walker2_arm.com updated this revision to Diff 186399.Thu, Sep 10, 4:02 PM

Don't add ITS resources to IRS device

Harbormaster completed remote builds in B76751: Diff 186399.Thu, Sep 10, 4:02 PM
andrew accepted this revision.Wed, Sep 16, 10:22 AM
andrew added inline comments.
sys/arm64/arm64/gicv5_acpi.c
121

This adds maps for the IRS so should be named as such

This revision is now accepted and ready to land.Wed, Sep 16, 10:22 AM
sarah.walker2_arm.com updated this revision to Diff 186837.Wed, Sep 16, 10:26 AM

Rename rdist_map() to irs_map()

This revision now requires review to proceed.Wed, Sep 16, 10:26 AM
Harbormaster completed remote builds in B76968: Diff 186837.Wed, Sep 16, 10:26 AM
andrew accepted this revision.Wed, Sep 16, 3:24 PM
This revision is now accepted and ready to land.Wed, Sep 16, 3:24 PM
Closed by commit rG9556306213e1: arm64: Add ACPI support to GICv5 driver (authored by sarah.walker2_arm.com, committed by andrew). · Explain WhyThu, Sep 17, 9:56 AM
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rG9556306213e1: arm64: Add ACPI support to GICv5 driver.

Revision Contents
Changeset List

PathSize
sys/
arm/
arm/
3 lines
arm64/
arm64/
2 lines
50 lines
492 lines
138 lines
93 lines
2 lines
conf/
5 lines

Diff 185024

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sys/arm/arm/gic_acpi.c

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sys/arm64/arm64/gicv3_its.c

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sys/arm64/arm64/gicv5.c

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sys/arm64/arm64/gicv5_acpi.c

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sys/arm64/arm64/gicv5_its.c

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sys/arm64/arm64/gicv5_iwb.c

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sys/arm64/arm64/gicv5var.h

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sys/conf/files.arm64

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