Changeset d13ce75 in rtems

Timestamp:
08/22/14 15:20:46 (10 years ago)
Author:
Pavel Pisa <pisa@…>
Branches:
4.11, 5, master
Children:
e7a42a0c
Parents:
9a9ab85
git-author:
Pavel Pisa <pisa@…> (08/22/14 15:20:46)
git-committer:
Joel Sherrill <joel.sherrill@…> (08/22/14 15:24:53)
Message:

bsp/tms570: implemented and tested initialization of Cortex-R performance counters.

The code is written as BSP specific now but it should work for all
Cortex-A and R based CPUs and can be moved to ARM generic place in future.

StackOverflow? suggested sequences of writes to the registers required
to start counters is used.

​http://stackoverflow.com/questions/3247373/how-to-measure-program-execution-time-in-arm-cortex-a8-processor

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