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Glossary
========
This glossary provides definitions for terms and abbreviations used in the TF-A
documentation.
You can find additional definitions in the `Arm Glossary`_.
.. glossary::
:sorted:
AArch32
32-bit execution state of the ARMv8 ISA
AArch64
64-bit execution state of the ARMv8 ISA
API
Application Programming Interface
CoT
COT
Chain of Trust
CSS
Compute Sub-System
CVE
Common Vulnerabilities and Exposures. A CVE document is commonly used to
describe a publicly-known security vulnerability.
DS-5
Arm Development Studio 5
DT
Device Tree
EL
Exception Level
EHF
Exception Handling Framework
FDT
Flattened Device Tree
FIP
Firmware Image Package
FVP
Fixed Virtual Platform
FWU
FirmWare Update
GIC
Generic Interrupt Controller
ISA
Instruction Set Architecture
Linaro
A collaborative engineering organization consolidating
and optimizing open source software and tools for the Arm architecture.
MMU
Memory Management Unit
MPAM
Memory Partitioning And Monitoring. An optional Armv8.4 extension.
MPIDR
Multiprocessor Affinity Register
OEN
Owning Entity Number
OP-TEE
Open Portable Trusted Execution Environment. An example of a :term:`TEE`
OTE
Open-source Trusted Execution Environment
PDD
Platform Design Document
PMF
Performance Measurement Framework
PSCI
Power State Coordination Interface
RAS
Reliability, Availability, and Serviceability extensions. A mandatory
extension for the Armv8.2 architecture and later. An optional extension to
the base Armv8 architecture.
ROT
Root of Trust
SCMI
System Control and Management Interface
SCP
System Control Processor
SDEI
Software Delegated Exception Interface
SDS
Shared Data Storage
SEA
Synchronous External Abort
SiP
SIP
Silicon Provider
SMC
Secure Monitor Call
SMCCC
:term:`SMC` Calling Convention
SoC
System on Chip
SP
Secure Partition
SPD
Secure Payload Dispatcher
SPM
Secure Partition Manager
SVE
Scalable Vector Extension
TBB
Trusted Board Boot
TBBR
Trusted Board Boot Requirements
TEE
Trusted Execution Environment
TF-A
Trusted Firmware-A
TF-M
Trusted Firmware-M
TLB
Translation Lookaside Buffer
TLK
Trusted Little Kernel. A Trusted OS from NVIDIA.
TSP
Test Secure Payload
TZC
TrustZone Controller
UEFI
Unified Extensible Firmware Interface
WDOG
Watchdog
XLAT
Translation (abbr.). For example, "XLAT table".
.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary
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