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3 commits

Author SHA1 Message Date
Okash Khawaja
e81e999b9d fix(security): workaround for CVE-2022-23960 for Cortex-X1 
Implements the loop workaround for Cortex-X1.

Signed-off-by: Okash Khawaja <okash@google.com>
Change-Id: I5828a26c1ec3cfb718246ea5c3b099dabc0fb3d7
 2022-05-11 15:24:37 +02:00
Okash Khawaja
7b76c20d8e fix(errata): workarounds for cortex-x1 errata 
This patch adds workarounds for following cortex-x1 errata:

- 1821534 (CatB)
- 1688305 (CatB)
- 1827429 (CatB)

SDEN can be found here:
https://developer.arm.com/documentation/SDEN1401782/latest

Signed-off-by: Okash Khawaja <okash@google.com>
Change-Id: I10ebe8d5c56a6d273820bb2c682f21bf98daa7a5
 2022-05-11 15:24:29 +02:00
Okash Khawaja
6e8eca78e5 feat(cpu): add support for Cortex-X1 
This patch adds basic CPU library code to support Cortex-X1 CPU in TF-A.
Follow-up patches will add selected errata workarounds for this CPU.

Signed-off-by: Okash Khawaja <okash@google.com>
Change-Id: I4a3d50a98bf55a555bfaefeed5c7b88a35e3bc21
 2022-05-11 15:24:20 +02:00