fix(cpus): workaround for Neoverse-V3 erratum 3701767
Neoverse-V3 erratum 3701767 that applies to r0p0, r0p1, r0p2 is
still Open.
The workaround is for EL3 software that performs context save/restore
on a change of Security state to use a value of SCR_EL3.NS when
accessing ICH_VMCR_EL2 that reflects the Security state that owns the
data being saved or restored.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-2891958/latest/
Change-Id: I5be0de881f408a9e82a07b8459d79490e9065f94
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index f4c2312..4637908 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -578,6 +578,12 @@
CPU, this affects all configurations. This needs to be enabled for revisions
r0p0 and r0p1. It has been fixed in r0p2.
+For Neoverse V3, the following errata build flags are defined :
+
+- ``ERRATA_V3_3701767``: This applies errata 3701767 workaround to Neoverse-V3
+ CPU. This needs to be enabled for revisions r0p0, r0p1, r0p2 of the CPU and
+ is still open.
+
For Cortex-A710, the following errata build flags are defined :
- ``ERRATA_A710_1987031``: This applies errata 1987031 workaround to