PMCIDR1, Performance Monitors Component Identification Register 1

The PMCIDR1 characteristics are:

Purpose

Provides information to identify a Performance Monitor component.

For more information see 'About the Component identification scheme' in the ARMv8 ARM, section H8 (About the External Debug Registers).

This register is part of the Performance Monitors registers functional group.

Usage constraints

This register is accessible as follows:

SLKDefault
RORO

Configuration

PMCIDR1 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

Attributes

PMCIDR1 is a 32-bit register.

Field descriptions

The PMCIDR1 bit assignments are:

313029282726252423222120191817161514131211109876543210
000000000000000000000000CLASSPRMBL_1

Bits [31:8]

Reserved, RES0.

CLASS, bits [7:4]

Component class. Reads as 0x9, debug component.

PRMBL_1, bits [3:0]

Preamble. RAZ.

Accessing the PMCIDR1

PMCIDR1 can be accessed through the external debug interface:

ComponentOffset
PMU 0xFF4



02/05/2017 15:43

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