TRBAUTHSTATUS, Authentication Status Register

The TRBAUTHSTATUS characteristics are:

Purpose

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

For additional information, see the CoreSight Architecture Specification.

TRBAUTHSTATUS is in the Core power domain.

This register is present only when FEAT_TRBE_EXT is implemented. Otherwise, direct accesses to TRBAUTHSTATUS are RES0.

TRBAUTHSTATUS is a 32-bit register.

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RES0				RTNID		RTID		RES0								RLNID		RLID		RES0				SNID		SID		NSNID		NSID

Reserved, RES0.

Root non-invasive debug.

RTNID	Meaning
0b00	Not implemented.

Root invasive debug.

This field has the same value as DBGAUTHSTATUS_EL1.RTID.

Reserved, RES0.

Realm non-invasive debug.

RLNID	Meaning
0b00	Not implemented.

Realm invasive debug.

This field has the same value as DBGAUTHSTATUS_EL1.RLID.

Reserved, RES0.

Secure non-invasive debug.

SNID	Meaning
0b00	Not implemented.

Secure invasive debug.

This field has the same value as DBGAUTHSTATUS_EL1.SID.

Non-secure non-invasive debug.

NSNID	Meaning
0b00	Not implemented.

Non-secure invasive debug.

This field has the same value as DBGAUTHSTATUS_EL1.NSID.

Component	Offset	Instance
TRBE	0xFB8	TRBAUTHSTATUS

Accessible as follows:

When DoubleLockStatus() or !IsCorePowered(), accesses to this register generate an error response.
Otherwise, accesses to this register are RO.

21/03/2025 17:53; 154105dd5041532b480d9ef0c018b8420cbe5c19