CTIAUTHSTATUS, CTI Authentication Status register

The CTIAUTHSTATUS characteristics are:

Purpose

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

This register is part of the Cross-Trigger Interface registers functional group.

Usage constraints

This register is accessible as follows:

Default
RO

Configuration

CTIAUTHSTATUS is in the Debug power domain.

This register is OPTIONAL, and is required for CoreSight compliance.

Attributes

CTIAUTHSTATUS is a 32-bit register.

Field descriptions

The CTIAUTHSTATUS bit assignments are:

313029282726252423222120191817161514131211109876543210
0000000000000000000000000000NSNIDNSID

Bits [31:8]

Reserved, RES0.

Bits [7:4]

Reserved, RAZ.

NSNID, bits [3:2]

If EL3 is not implemented and the implemented Security state is Secure state, holds the same value as DBGAUTHSTATUS_EL1.SNID.

Otherwise, holds the same value as DBGAUTHSTATUS_EL1.NSNID.

NSID, bits [1:0]

If EL3 is not implemented and the implemented Security state is Secure state, holds the same value as DBGAUTHSTATUS_EL1.SID.

Otherwise, holds the same value as DBGAUTHSTATUS_EL1.NSID.

Accessing the CTIAUTHSTATUS

CTIAUTHSTATUS can be accessed through the external debug interface:

ComponentOffset
CTI 0xFB8



28/09/2017 08:24

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