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3 commits

Author SHA1 Message Date
Govindraj Raja
4c700c1563 chore: update to use Arm word across TF-A 
Align entire TF-A to use Arm in copyright header.

Change-Id: Ief9992169efdab61d0da6bd8c5180de7a4bc2244
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
 2023-08-08 15:12:30 +01:00
Bipin Ravi
e74d658181 fix(security): optimisations for CVE-2022-23960 
Optimised the loop workaround for Spectre_BHB mitigation:
1. use of speculation barrier for cores implementing SB instruction.
2. use str/ldr instead of stp/ldp as the loop uses only X2 register.

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I8ac53ea1e42407ad8004c1d59c05f791011f195d
 2022-10-26 16:45:12 -05:00
Bipin Ravi
1fe4a9d181 fix(security): workaround for CVE-2022-23960 
Implements the loop workaround for Cortex-A77, Cortex-A78,
Cortex-A710, Cortex-X2, Neoverse N1, Neoverse N2 and Neoverse V1
CPUs.

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I11d342df7a2068a15e18f4974c645af3b341235b
 2022-03-10 23:57:14 -06:00