PMAUTHSTATUS, Performance Monitors Authentication Status register

The PMAUTHSTATUS characteristics are:

Purpose

Provides information about the state of the IMPLEMENTATION DEFINED authentication interface for Performance Monitors.

Configuration

If FEAT_DoPD is implemented, this register is in the Core power domain. If FEAT_DoPD is not implemented, this register is in the Debug power domain.

This register is OPTIONAL, and is required for CoreSight compliance. Arm recommends that this register is implemented.

Attributes

PMAUTHSTATUS is a 32-bit register.

Field descriptions

313029282726252423222120191817161514131211109876543210
RES0SNIDSIDNSNIDNSID

Bits [31:8]

Reserved, RES0.

SNID, bits [7:6]

Holds the same value as DBGAUTHSTATUS_EL1.SNID.

SID, bits [5:4]

Secure invasive debug. Possible values of this field are:

SIDMeaning
0b00

Not implemented.

All other values are reserved.

NSNID, bits [3:2]

Holds the same value as DBGAUTHSTATUS_EL1.NSNID.

NSID, bits [1:0]

Non-secure invasive debug. Possible values of this field are:

NSIDMeaning
0b00

Not implemented.

All other values are reserved.

Accessing PMAUTHSTATUS

PMAUTHSTATUS can be accessed through the external debug interface:

ComponentOffsetInstance
PMU0xFB8PMAUTHSTATUS

This interface is accessible as follows:


30/09/2021 15:34; 092b4e1bbfbb45a293b198f9330c5f529ead2b0f

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