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PMDEVAFF: Performance Monitors Device Affinity register

Purpose

Copy of the PE MPIDR_EL1 register that allows a debugger to determine which PE in a multiprocessor system the Performance Monitor component relates to.

Configuration

This register is present only when FEAT_PMUv3_EXT64 is implemented. Otherwise, direct accesses to PMDEVAFF are RES0.

Attributes

PMDEVAFF is a 64-bit register.

This register is part of the PMU block.

Field descriptions

6362616059585756555453525150494847464544434241403938373635343332
313029282726252423222120191817161514131211109876543210
MPIDR_EL1
MPIDR_EL1

MPIDR_EL1, bits [63:0]

MPIDR_EL1. Read-only copy of MPIDR_EL1, as seen from the highest implemented Exception level.

Accessing PMDEVAFF

Accesses to this register use the following encodings:

Accessible at offset 0xFA8 from PMU