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Home > Debug > Debug register descriptions > OS Lock Access Register |
The DBGOSLAR characteristics are:
Provides a lock for the debug registers.
Writing the key value to the DBGOSLAR also resets the internal counter for the OS Save or Restore operation. The OS Lock might also disable Software debug events.
Use DBGOSLSR to check the current status of the lock, see OS Lock Status Register.
Available in all configurations.
See the register summary in Table 10.1.
Figure 10.13 shows the DBGOSLAR bit assignments.
Table 10.13 shows the DBGOSLAR bit assignments.
Table 10.13. DBGOSLAR bit assignments
Bits | Name | Function |
---|---|---|
[31:0] | OS Lock Access | Writing the key value Writing any other value to this register unlocks the debug registers if they are locked. See the ARM Architecture Reference Manual for more information. |