4.3.14. c0, Auxiliary ID Register

The AIDR is:

The AIDR characteristics are:

Purpose

Provides additional information about the processor.

Usage constraints

The AIDR is:

  • a read-only register

  • accessible in Privileged mode only.

Configurations

Available in all processor configurations.

Attributes

In this processor, the AIDR reads as 0x00000000.

To access the AIDR read CP15 with:

MRC p15, 1, <Rd>, c0, c0, 7 ; Read AIDR
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