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HAMAIR1 provides additional implementation defined memory attributes for the memory attribute encodings defined by HMAIR1. These implementation defined attributes can only provide additional qualifiers for the memory attribute encodings, and cannot change the memory attributes defined in HMAIR1. This register is not used in the Cortex®-A55 core.
HAMAIR1 is a 32-bit register, and is part of:
AArch32 System register HAMAIR1 is architecturally mapped to AArch64 System register AMAIR_EL2[63:32]. See B2.16 AMAIR_EL2, Auxiliary Memory Attribute Indirection Register, EL2.
Bit fields and details not provided in this description are architecturally defined. See the Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.