ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

Non-secure invasive debug features implemented, bit [1]
This bit is RAO, Non-secure invasive debug features are implemented.
Non-secure invasive debug enabled, bit [0]
This bit indicates the logical state of the DBGEN signal.
Debug Registers Reference
When the Security Extensions are not implemented, the format of the DBGAUTHSTATUS Register is:
31 8
Bits [31:8] Reserved, UNK.
Secure non-invasive debug features implemented, bit [7]
This bit is RAO, Secure non-invasive debug features are implemented.
Secure non-invasive debug enabled, bit [6]
This bit indicates the logical result of (DBGEN OR NIDEN).
Secure invasive debug features implemented, bit [5]
This bit reads is RAO, Secure invasive debug features are implemented.
Secure invasive debug enabled, bit [4]
This bit indicates the logical state of the DBGEN signal.
Non-secure non-invasive debug features implemented, bit [3]
This bit is RAZ, Non-secure non-invasive debug features are not implemented.
Non-secure non-invasive debug enabled, bit [2]
This bit is RAZ.
Non-secure invasive debug features implemented, bit [1]
This bit is RAZ, Non-secure invasive debug features are not implemented.
Non-secure invasive debug enabled, bit [0]
This bit is RAZ.
Reserved, UNK
Secure non-invasive debug features implemented
Secure non-invasive debug enabled
Secure invasive debug features implemented
Secure invasive debug enabled
Non-secure non-invasive debug features implemented
Non-secure non-invasive debug enabled
Non-secure invasive debug features implemented
Non-secure invasive debug enabled
7 6 5
ARM DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. C10-97
4
3
2 1
1 1 0 0 0 0
0