arm64: Add an initial GICv5 IWB driver
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Authored by andrew on Tue, Dec 16, 12:09 PM.

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Subscribers

emaste

imp

Details

Reviewers

manu

Group Reviewers

arm64

Summary

Add a driver to support the GICv5 interrupt wire bridge (IWB). The IWB
translates the change in state of an input wire and sends a MSI to
the interrupt translation service (ITS) to be translated to an LPI.

Unlike other MSI sources each wire has a fixed Event ID value it will
write in the MSI data.

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Repository

rG FreeBSD src repository

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Build Status

Buildable 69296
Build 66179: arc lint + arc unit

Event Timeline

andrew created this revision.Tue, Dec 16, 12:09 PM

Herald added a reviewer: manu. · View Herald TranscriptTue, Dec 16, 12:09 PM

Herald added subscribers: emaste, imp. · View Herald Transcript

andrew requested review of this revision.Tue, Dec 16, 12:09 PM

Harbormaster completed remote builds in B69296: Diff 168185.Tue, Dec 16, 12:09 PM

andrew added a parent revision: D54251: arm64: Add an initial GICv5 ITS driver.Tue, Dec 16, 12:09 PM

Revision Contents
Changeset List

Path

Size

sys/

arm64/

gicv5_iwb.c

545 lines

conf/

files.arm64

1 line

Diff 168185

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sys/arm64/arm64/gicv5_iwb.c