B1.59 ID_AFR0, Auxiliary Feature Register 0

The ID_AFR0 provides information about the implementation defined features of the PE in AArch32. This register is not used in the Cortex®-A55 core.

Bit field descriptions

ID_AFR0 is a 32-bit register, and is part of the Identification registers functional group.

This register is Read Only.

Figure B1-44 ID_AFR0 bit assignments
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RES0, [31:0]
Reserved, RES0.

AArch32 System register ID_AFR0 is architecturally mapped to AArch64 System register ID_AFR0_EL1. See B2.65 ID_AFR0_EL1, AArch32 Auxiliary Feature Register 0, EL1.

Bit fields and details not provided in this description are architecturally defined. See the Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.

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