EDDEVAFF0, External Debug Device Affinity register 0

The EDDEVAFF0 characteristics are:

Purpose

Copy of the low half of the PE MPIDR_EL1 register that allows a debugger to determine which PE in a multiprocessor system the external debug component relates to.

Configuration

If FEAT_DoPD is implemented, this register is in the Core power domain. If FEAT_DoPD is not implemented, this register is in the Debug power domain.

Attributes

EDDEVAFF0 is a 32-bit register.

Field descriptions

313029282726252423222120191817161514131211109876543210
MPIDR_EL1lo

MPIDR_EL1lo, bits [31:0]

MPIDR_EL1 low half. Read-only copy of the low half of MPIDR_EL1, as seen from the highest implemented Exception level.

Accessing EDDEVAFF0

EDDEVAFF0 can be accessed through the external debug interface:

ComponentOffsetInstance
Debug0xFA8EDDEVAFF0

This interface is accessible as follows:


20/09/2021 12:37; d4a233ffbdfb36e47856c443a7ce9a85f5e501ca

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