switch-l4t-atf/lib/extensions
Dimitris Papastamos 281a08cc64 Refactor Statistical Profiling Extensions implementation
Factor out SPE operations in a separate file.  Use the publish
subscribe framework to drain the SPE buffers before entering secure
world.  Additionally, enable SPE before entering normal world.

A side effect of this change is that the profiling buffers are now
only drained when a transition from normal world to secure world
happens.  Previously they were drained also on return from secure
world, which is unnecessary as SPE is not supported in S-EL1.

Change-Id: I17582c689b4b525770dbb6db098b3a0b5777b70a
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
2017-11-20 09:55:01 +00:00
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spe Refactor Statistical Profiling Extensions implementation 2017-11-20 09:55:01 +00:00