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feat(trf): enable trace filter control register access from lower NS EL

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Introduced a build flag 'ENABLE_TRF_FOR_NS' to enable trace filter
control registers access in NS-EL2, or NS-EL1 (when NS-EL2 is
implemented but unused).

Change-Id: If3f53b8173a5573424b9a405a4bd8c206ffdeb8c
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
This commit is contained in:
Manish V Badarkhe 2021-07-08 09:33:18 +01:00
parent 5de20ece38
commit 8fcd3d9600
11 changed files with 113 additions and 0 deletions
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4
docs/getting_started/build-options.rst
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@ -786,6 +786,10 @@ Common build options
but unused). This feature is available if trace unit such as ETMv4.x, and
ETE(extending ETM feature) is implemented. This flag is disabled by default.
- ``ENABLE_TRF_FOR_NS``: Boolean option to enable trace filter control registers
access from NS ELs, NS-EL2 or NS-EL1 (when NS-EL2 is implemented but unused),
if FEAT_TRF is implemented. This flag is disabled by default.
GICv3 driver options
--------------------