B1.6 c4 registers
The processor can access different 32-bit wide system registers. Registers where CRn has the value four
are called c4 registers.
The following table shows the 32-bit wide system registers you can access when the processor is in
AArch32 state and the value of CRn is c4.
Table B1-6 c4 register summary
Op1 CRm Op2 Name Reset Description
0 c6 0 ICC_PMR
0x00000000
Priority Mask Register
B1 AArch32 system registers
B1.6 c4 registers
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