ARM Cortex-A76 Core User Manual

B2.15 AMAIR_EL1, Auxiliary Memory Attribute Indirection Register, EL1
AMAIR_EL1 provides IMPLEMENTATION DEFINED memory attributes for the memory regions specified by
MAIR_EL1. This register is not used in the Cortex-A76 core.
Bit field descriptions
AMAIR_EL1 is a 64-bit register, and is part of:
• The Virtual memory control registers functional group.
• The IMPLEMENTATION DEFINED functional group.
063
RES0
Figure B2-11 AMAIR_EL1 bit assignments
RES0, [63:0]
Reserved, RES0.
Configurations
There are no configuration notes.
Bit fields and details that are not provided in this description are architecturally defined. See the
Arm
®
Architecture Reference Manual Armv8, for Armv8-A architecture profile.
B2 AArch64 system registers
B2.15 AMAIR_EL1, Auxiliary Memory Attribute Indirection Register, EL1
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B2-156
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ARM Cortex-A76 Core Specifications

General

Architecture	ARMv8.2-A
Microarchitecture	Cortex-A76
Pipeline Depth	13 stages
Frequency	Up to 3.0 GHz
Process Technology	7nm
Core Type	Out-of-order
NEON	Yes
Power Efficiency	Improved over Cortex-A75
Performance Improvement	35% over Cortex-A75
Core Count	1-4 cores per cluster
ISA Support	AArch64 and AArch32
Branch Prediction	Yes
L1 Data Cache	32KB, per core
L2 Cache	256KB or 512KB, per core
L3 Cache	Up to 4MB
Memory Support	LPDDR4, LPDDR4X, DDR4
DynamIQ Shared Unit (DSU)	DynamIQ Shared Unit (DSU)
Cryptography Extensions	Yes
Virtualization Support	Yes
L1 Cache	64 KB per core