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Differential D25959

Add support for Cortex-A76/Neoverse-N1 to hwpmc
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Authored by andrew on Aug 5 2020, 3:10 PM.
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bz
emaste
gnn
imp
mhorne

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manu
bz
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arm64
pmc
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rS364153: Add support for Cortex-A76/Neoverse-N1 to hwpmc
Summary

This adds support for the Cortex-A76 and Neoverse-N1 PMU counters to pmc.

While here add more PMCR_IDCODE values and check the implementers code is
correct before setting the PMU type.

Diff Detail

Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 32771
Build 30206: arc lint + arc unit

Event Timeline

andrew created this revision.Aug 5 2020, 3:10 PM
Herald added a reviewer: manu. · View Herald TranscriptAug 5 2020, 3:10 PM
Herald added a subscriber: emaste. · View Herald Transcript
andrew requested review of this revision.Aug 5 2020, 3:10 PM
Harbormaster completed remote builds in B32771: Diff 75429.Aug 5 2020, 3:10 PM
andrew added a reviewer: pmc.Aug 5 2020, 3:11 PM
mhorne added a subscriber: mhorne.Aug 5 2020, 4:24 PM
emaste added a comment.Aug 10 2020, 1:15 AM

looks reasonable to me

sys/arm64/include/armreg.h
866–874

I did not check these, assume they were transcribed correctly.

bz accepted this revision as: bz.Aug 10 2020, 9:10 AM
bz added a subscriber: bz.

With the same comment as emaste had; no checks that each value is accurate

This revision is now accepted and ready to land.Aug 10 2020, 9:10 AM
Closed by commit rS364153: Add support for Cortex-A76/Neoverse-N1 to hwpmc (authored by andrew). · Explain WhyAug 12 2020, 10:17 AM
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rS364153: Add support for Cortex-A76/Neoverse-N1 to hwpmc.
Herald added subscribers: gnn, imp. · View Herald TranscriptAug 12 2020, 10:17 AM

Revision Contents
Changeset List

PathSize
lib/
libpmc/
22 lines
sys/
arm64/
include/
15 lines
dev/
hwpmc/
24 lines
43 lines
sys/
3 lines

Diff 75429

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lib/libpmc/libpmc.c

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sys/arm64/include/armreg.h

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sys/dev/hwpmc/hwpmc_arm64.c

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sys/dev/hwpmc/pmc_events.h

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sys/sys/pmc.h

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