3.22. Access permissions for PFTv1.1 with multiple power implementations

This section describes register access permissions for a PTM that follows version 1.1 of the PFT protocol, where the processor and PTM are implemented in different power domains.

Note

From PFTv1.1, for all multiple power implementations, bit [1] of ETMSR must be polled before saving or restoring state. See Status Register, ETMSR.

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