commit | 35c75377a0642a75a0b8d0b309ae231da15bc470 | [log] [tgz] |
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author | johpow01 <john.powell@arm.com> | Thu Sep 10 13:39:26 2020 -0500 |
committer | John Powell <john.powell@arm.com> | Wed Oct 07 21:15:38 2020 +0000 |
tree | 0697572eb48b3655bc74b1241511a7b67072984c | |
parent | bb68a9d602e456dad89fbfc777cb435059d42964 [diff] |
Workaround for Cortex A77 erratum 1925769 Cortex A77 erratum 1925769 is a Cat B erratum, present in older revisions of the Cortex A77 processor core. The workaround is to set bit 8 in the ECTLR_EL1 register, there is a small performance cost (<0.5%) for setting this bit. SDEN can be found here: https://documentation-service.arm.com/static/5f7c35d0d3be967f7be46d33 Signed-off-by: John Powell <john.powell@arm.com> Change-Id: I9cf0e0b5dc1e3e32e24279d2632c759cc7bd7ce9