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The EDDEVID provides extra information for external debuggers about features of the debug implementation.
The EDDEVID is a 32-bit register.
Indicates support for Auxiliary registers:
Bit fields and details not provided in this description are architecturally defined. See the Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.
The EDDEVID can be accessed through the external debug interface, offset