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4.3.7. Auxiliary ID Register

The AIDR characteristics are:

Purpose

Provides implementation-specific information.

Usage constraints

The AIDR is:

  • only accessible in privileged modes

  • common to the Secure and Non-secure states.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 4.2.

To access the Auxiliary Level ID Register, read the CP15 register with:

MRC p15,1,<Rd>,c0,c0,7; Read Auxiliary ID Register

Note

The AIDR is unused in this implementation.

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