To access the NMRR:
MRC p15, 0, <Rt>, c10, c2, 1 ; Read NMRR into Rt
MCR p15, 0, <Rt>, c10, c2, 1 ; Write Rt to NMRR
Register access is encoded as follows:
Table B1-84 NMRR access encoding
coproc opc1 CRn CRm opc2
1111 000 1010 0010 001
B1 AArch32 system registers
B1.99 Normal Memory Remap Register
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