C3.3 Resetting the ETM
The reset for the ETM trace unit is the same as a cold reset for the processor. If the ETM trace unit is
reset, tracing stops until the ETM trace unit is reprogrammed and re-enabled.
A warm reset of the processor does not reset the ETM trace unit. Therefore it is possible to trace through
warm processor reset. However, if the processor is reset using warm reset, the trace unit might not be
able to trace the last few instructions before the reset.
C3 ETM
C3.3 Resetting the ETM
100236_0100_00_en Copyright © 2015–2017, 2019 Arm Limited or its affiliates. All rights
reserved.
C3-600
Non-Confidential
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