B1.4 c2 registers
The processor can access different 32-bit wide system registers. Registers where CRn has the value two
are called c2 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 c2.
Table B1-4 c2 register summary
Op1 CRm Op2 Name Reset Description
0 c0 0 TTBR0 UNK B1.113 Translation Table Base Register 0 on page B1-346
1 TTBR1 UNK B1.116 Translation Table Base Register 1 on page B1-350
2 TTBCR
0x00000000
B1.110 Translation Table Base Control Register on page B1-341
The reset value is 0x00000000 for the Secure copy of the register. The reset value for
the EAE bit of the Non-secure copy of the register is 0x0. You must program the Non-
secure copy of the register with the required initial value, as part of the processor boot
sequence.
4 c0 2 HTCR UNK
B1.70 Hyp Translation Control Register on page B1-263
c1 2 VTCR UNK
B1.122 Virtualization Translation Control Register on page B1-357
B1 AArch32 system registers
B1.4 c2 registers
100236_0100_00_en Copyright © 2015–2017, 2019 Arm Limited or its affiliates. All rights
reserved.
B1-156
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