B2.7 VM Active Priority Register

GICV_APR0

For software compatibility, this register is present in the virtual CPU interface. However, in a virtualized system, it is not used when preserving and restoring state.

The GICV_APR0 characteristics are:

Purpose
For software compatibility, this register is present in the virtual CPU interface. However, in a virtualized system, it is not used when preserving and restoring state.
Usage constraints
Reading the content of this register and then writing the same values must not change any state because there is no requirement to preserve and restore state during a powerdown.
Configurations
Available in all configurations.
Attributes
See the register summary in B2.6 Virtual CPU interface register summary.

The Cortex®‑A32 processor implements the GICV_APR0 as an alias of GICH_APR0.

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