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
1 TTBR1 UNK B1.116 Translation Table Base Register 1
2 TTBCR

0x00000000

B1.110 Translation Table Base Control Register

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

c1 2 VTCR UNK

B1.122 Virtualization Translation Control Register

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