C10.41 OS Lock Access Register

The TRCOSLAR characteristics are:

Purpose
Sets and clears the OS Lock, to lock out external debugger accesses to the ETM trace unit registers.
Usage constraints
There are no usage constraints.
Configurations
Available in all configurations.
Attributes
See C10.1 ETM register summary.
Figure C10-40 TRCOSLAR bit assignments
To view this graphic, your browser must support the SVG format. Either install a browser with native support, or install an appropriate plugin such as Adobe SVG Viewer.


[31:1]
TRCRSCTLRn
OSLK, [0]

OS Lock key value:

0Unlock the OS Lock.
1Lock the OS Lock.

The TRCOSLAR can be accessed through the external debug interface, offset 0x300.

Non-ConfidentialPDF file icon PDF versionARM 100241_0001_00_en
Copyright © 2016, 2017 ARM Limited or its affiliates. All rights reserved.