commit | f5dbbefb79cfc8f05794344e939bf67ab6183d09 | [log] [tgz] |
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author | laurenw-arm <lauren.wehrmeister@arm.com> | Tue Mar 23 13:09:35 2021 -0500 |
committer | laurenw-arm <lauren.wehrmeister@arm.com> | Tue Apr 06 10:20:55 2021 -0500 |
tree | 8c70f519164d461910485f74186fdd35d5e041e6 | |
parent | 9c2417caab5e384b6a51616d47950b777dc02a9f [diff] |
lib/cpu: Workaround for Cortex A77 erratum 1946167 Cortex A77 erratum 1946167 is a Cat B erratum that applies to revisions <= r1p1. This erratum is avoided by inserting a DMB ST before acquire atomic instructions without release semantics through a series of writes to implementation defined system registers. SDEN can be found here: https://documentation-service.arm.com/static/600057a29b9c2d1bb22cd1be?token= Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com> Change-Id: I53e3b4fb7e7575ec83d75c2f132eda5ae0b4f01f