ARM Cortex-A76 Core User Manual

B2.104 VTTBR_EL2, Virtualization Translation Table Base Register, EL2
VTTBR_EL2 holds the base address of the translation table for the stage 2 translation of memory
accesses from Non-secure EL0 and EL1.
Bit field descriptions
VTTBR_EL2 is a 64-bit register.
63 0
RES0
13
CnP
BADDR
44748
VMID
Figure B2-87 VTTBR_EL2 bit assignments
CnP, [0]
Common not Private. The possible values are:
0 CnP is not supported.
1 CnP is supported.
Configurations
There are no configuration notes.
Bit fields and details not provided in this description are architecturally defined. See the Arm
®
Architecture Reference Manual Armv8, for Armv8-A architecture profile.
B2 AArch64 system registers
B2.104 VTTBR_EL2, Virtualization Translation Table Base Register, EL2
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
B2-289
Non-Confidential

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