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Resetting the ETM

The reset for the ETM trace unit is the same as a Cold reset for the core.

The ETM trace unit is not reset when Warm reset is applied to the core so that tracing through Warm core reset is possible.

If the ETM trace unit is reset, tracing stops until the ETM trace unit is reprogrammed and re-enabled. However, if the core is reset using Warm reset, the last few instructions provided by the core before the reset might not be traced.

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