ARM Cortex-A76 Core User Manual

Cache maintenance by set/way. Indicates the supported cache maintenance operations by set/
way.
0x1 Supported hierarchical cache maintenance operations by set/way are:
• Invalidate data cache by set/way.
• Clean data cache by set/way.
• Clean and invalidate data cache by set/way.
CMaintVA, [3:0]
Cache maintenance by Virtual Address (VA). Indicates the supported cache maintenance
operations by VA.
0x1 Supported hierarchical cache maintenance operations by VA are:
• Invalidate data cache by VA.
• Clean data cache by VA.
• Clean and invalidate data cache by VA.
• Invalidate instruction cache by VA.
• Invalidate all instruction cache entries.
Configurations
Must be interpreted with ID_MMFR0_EL1, ID_MMFR1_EL1, ID_MMFR2_EL1, and
ID_MMFR4_EL1. See:
• B2.72 ID_MMFR0_EL1, AArch32 Memory Model Feature Register 0, EL1 on page B2-246.
• B2.73 ID_MMFR1_EL1, AArch32 Memory Model Feature Register 1, EL1 on page B2-248.
• B2.74 ID_MMFR2_EL1, AArch32 Memory Model Feature Register 2, EL1 on page B2-250.
• B2.76 ID_MMFR4_EL1, AArch32 Memory Model Feature Register 4, EL1 on page B2-254.
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
B2.75 ID_MMFR3_EL1, AArch32 Memory Model Feature Register 3, EL1
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
B2-253
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