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Differential D6203

ARM: generic_timer; make the virtual timer optional
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Authored by bz on May 4 2016, 3:32 PM.
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rS299072: The virtual timer is optional on ARM64. Properly handle that condition. [1]
Summary

The virtual timer is optional on ARM64. Properly handle that condition.
In case we do not have an interrupt assignment for the virtual timer,
force the physical timer.
Also skip resource allocation for any timer we do not have an interrupt
assignment for.

In collaboration with: andrew
Submitted by: br (initial parts during his gem5 bringup)
Sponsored by: DARPA/AFRL

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rS FreeBSD src repository - subversion
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bz updated this revision to Diff 15891.May 4 2016, 3:32 PM
bz retitled this revision from to ARM: generic_timer; make the virtual timer optional.
bz updated this object.
bz edited the test plan for this revision. (Show Details)
bz added a reviewer: andrew.
bz set the repository for this revision to rS FreeBSD src repository - subversion.
bz added subscribers: ARM, arm64.
Herald added a subscriber: imp. · View Herald TranscriptMay 4 2016, 3:32 PM
andrew accepted this revision.May 4 2016, 3:39 PM
andrew edited edge metadata.
andrew added inline comments.
sys/arm/arm/generic_timer.c
389 ↗(On Diff #15891)

It would pay to add a comment to say we are checking to see if we have a virtual timer interrupt

This revision is now accepted and ready to land.May 4 2016, 3:39 PM
Closed by commit rS299072: The virtual timer is optional on ARM64. Properly handle that condition. [1] (authored by bz). · Explain WhyMay 4 2016, 4:16 PM
This revision was automatically updated to reflect the committed changes.

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head/sys/arm/arm/generic_timer.c

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