TRBLSR, Lock Status Register

The TRBLSR characteristics are:

Purpose

Indicates the Software Lock is not implemented.

For additional information, see the CoreSight Architecture Specification.

Configuration

TRBLSR is in the Core power domain.

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

Attributes

TRBLSR is a 32-bit register.

Field descriptions

313029282726252423222120191817161514131211109876543210
RES0RAZSLI

Bits [31:3]

Reserved, RES0.

Bits [2:1]

Reserved, RAZ.

Not thirty-two bit. Describes the size of the TRBLAR register.

This field reads-as-zero.

SLI, bit [0]

Indicates the Software Lock is not implemented.

SLIMeaning
0b0

Software Lock is not implemented. Writes to the TRBLAR are ignored.

0b1

Software Lock is implemented.

Access to this field is RAZ/WI.

Accessing TRBLSR

TRBLSR can be accessed through the external debug interface:

ComponentOffsetInstance
TRBE0xFB4TRBLSR

This interface is accessible as follows:


04/07/2023 11:27; 1b994cb0b8c6d1ae5a9a15edbc8bd6ce3b5c7d68

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