4.3.9. c0, Auxiliary Feature Register 0

The ID_AFR0 characteristics are:

Purpose

Provides additional information about the features of the processor.

Usage constraints

The ID_AFR0 is:

  • a read-only register

  • accessible in Privileged mode only.

Configurations

Available in all processor configurations.

Attributes

In this processor, the ID_AFR0 reads as 0x00000000.

To access the ID_AFR0 read CP15 with:

MRC p15, 0, <Rd>, c0, c1, 3 ; Read ID_AFR0
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