arm64: check for CRC32 support via HWCAP
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Authored by mhorne on Aug 11 2020, 7:41 PM.

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markj

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rS365461: arm64: check for CRC32 support via HWCAP

Summary

Doing it this way eliminates the assumption about homogeneous support
for the feature, since HWCAP values are only set if support is present
on all CPUs.

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rS FreeBSD src repository - subversion

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Event Timeline

mhorne requested review of this revision.Aug 11 2020, 7:41 PM

mhorne created this revision.

Harbormaster completed remote builds in B32924: Diff 75698.Aug 11 2020, 7:41 PM

tuexen accepted this revision.Aug 11 2020, 8:39 PM

This revision is now accepted and ready to land.Aug 11 2020, 8:39 PM

markj accepted this revision.Aug 11 2020, 8:51 PM

Closed by commit rS365461: arm64: check for CRC32 support via HWCAP (authored by mhorne). · Explain WhySep 8 2020, 3:39 PM

This revision was automatically updated to reflect the committed changes.

mhorne added a commit: rS365461: arm64: check for CRC32 support via HWCAP.

Herald added a subscriber: imp. · View Herald TranscriptSep 8 2020, 3:39 PM

Revision Contents
Changeset List

Path

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head/

sys/

libkern/

gsb_crc32.c

12 lines

Diff 76776

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head/sys/libkern/gsb_crc32.c

arm64: check for CRC32 support via HWCAPClosedPublicActions