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GITS_MPIDR, Report ITS's affinity.

The GITS_MPIDR characteristics are:

Purpose

Reports ITS's affinity when the vPE Table is shared with Redistributors.

Configuration

This register is present only when GICv4.1 is implemented. Otherwise, direct accesses to GITS_MPIDR are RES0.

A copy of this register is provided for each ITS.

When GITS_TYPER.SVPET==0, this register is RES0.

Attributes

GITS_MPIDR is a 32-bit register.

Field descriptions

The GITS_MPIDR bit assignments are:

313029282726252423222120191817161514131211109876543210
Aff3Aff2Aff1RES0

Aff3, bits [31:24]

Aff2, bits [23:16]

Aff1, bits [15:8]

Bits [7:0]

Reserved, RES0.

Accessing the GITS_MPIDR

GITS_MPIDR can be accessed through the memory-mapped interfaces:

ComponentOffset
GIC ITS control0x0018

This interface is accessible as follows:




13/12/2019 15:13; 391b5248b29fb2f001ef74792eaacbd6fc72f211

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