ARM r1p3, R4, R4F Table11-27 shows how the bit values correspond with the Claim Tag Set Register functions.

Debug
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11.5.2 Claim Registers
The Claim Tag Set Register and the Claim Tag Clear Register enable an external debugger to
claim debug resources.
Claim Tag Set Register
Figure 11-16 shows the bit arrangement of the Claim Tag Set Register.
Figure 11-16 Claim Tag Set Register format
Table11-27 shows how the bit values correspond with the Claim Tag Set Register functions.
0xD10 836 MPUIR MPU Type Register
0xD14 837 MPIDR Multiprocessor Affinity Register
0xD18-0xD1C 838-839 - Alias of MIDR
0xD20 840 ID_PFR0 Processor Feature Register 0
0xD24 841 ID_PFR1 Processor Feature Register 1
0xD28 842 ID_DFR0 Debug Feature Register 0
0xD2C 843 ID_AFR0 Auxiliary Feature Register 0
0xD30 844 ID_MMFR0 Processor Feature Register 0
0xD34 845 ID_MMFR1 Processor Feature Register 1
0xD38 846 ID_MMFR2 Processor Feature Register 2
0xD3C 847 ID_MMFR3 Processor Feature Register 3
0xD40 848 ID_ISAR0 ISA Feature Register 0
0xD44 849 ID_ISAR1 ISA Feature Register 1
0xD48 850 ID_ISAR2 ISA Feature Register 2
0xD4C 851 ID_ISAR3 ISA Feature Register 3
0xD50 852 ID_ISAR4 ISA Feature Register 4
0xD54 853 ID_ISAR5 ISA Feature Register 5
Table11-26 Processor Identifier Registers (continued)
Offset (hex) Register number Mnemonic Function
31 0
Reserved
78
Claim tag set
Table11-27 Claim Tag Set Register functions
Bits Field Function
[31:8] Reserved RAZ or SBZP.
[7:0] Claim tag set RAO. Sets claim tags on writes.