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Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]1Glossary
2========
3
4This glossary provides definitions for terms and abbreviations used in the TF-A
5documentation.
6
7You can find additional definitions in the `Arm Glossary`_.
8
9.. glossary::
10 :sorted:
11
12 AArch32
13 32-bit execution state of the ARMv8 ISA
14
15 AArch64
16 64-bit execution state of the ARMv8 ISA
17
Chris Kaycda89212021-08-17 16:24:57 +0100[diff] [blame]18 AMU
19 Activity Monitor Unit, a hardware monitoring unit introduced by FEAT_AMUv1
20 that exposes CPU core runtime metrics as a set of counter registers.
21
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]22 API
23 Application Programming Interface
24
Manish V Badarkhea59fa012020-07-31 08:38:49 +0100[diff] [blame]25 AT
26 Address Translation
27
Paul Beesley2145bf42019-10-17 13:19:02 +0000[diff] [blame]28 BTI
29 Branch Target Identification. An Armv8.5 extension providing additional
30 control flow integrity around indirect branches and their targets.
31
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]32 CoT
33 COT
34 Chain of Trust
35
36 CSS
37 Compute Sub-System
38
39 CVE
40 Common Vulnerabilities and Exposures. A CVE document is commonly used to
41 describe a publicly-known security vulnerability.
42
Tamas Bana49698c2023-06-06 13:14:45 +0200[diff] [blame]43 DICE
44 Device Identifier Composition Engine
45
Manish V Badarkhee39a3a82022-06-29 14:09:47 +0100[diff] [blame]46 DCE
47 DRTM Configuration Environment
48
49 D-CRTM
50 Dynamic Code Root of Trust for Measurement
51
52 DLME
53 Dynamically Launched Measured Environment
54
55 DRTM
56 Dynamic Root of Trust for Measurement
57
Tamas Bana49698c2023-06-06 13:14:45 +0200[diff] [blame]58 DPE
59 DICE Protection Environment
60
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]61 DS-5
62 Arm Development Studio 5
63
Paul Beesley2145bf42019-10-17 13:19:02 +0000[diff] [blame]64 DSU
65 DynamIQ Shared Unit
66
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]67 DT
68 Device Tree
69
Louis Mayencourt8ac387c2019-11-08 15:09:15 +0000[diff] [blame]70 DTB
71 Device Tree Blob
72
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]73 EL
74 Exception Level
75
76 EHF
77 Exception Handling Framework
78
Sona Mathew6315c582023-03-15 09:40:36 -0500[diff] [blame]79 ERRATA_ABI
80 Errata management firmware interface
81
Louis Mayencourt8ac387c2019-11-08 15:09:15 +0000[diff] [blame]82 FCONF
83 Firmware Configuration Framework
84
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]85 FDT
86 Flattened Device Tree
87
Olivier Deprez2b0be752021-09-01 10:25:21 +0200[diff] [blame]88 FF-A
89 Firmware Framework for Arm A-profile
J-Alves2672cde2020-05-07 18:42:25 +0100[diff] [blame]90
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]91 FIP
92 Firmware Image Package
93
94 FVP
95 Fixed Virtual Platform
96
97 FWU
98 FirmWare Update
99
100 GIC
101 Generic Interrupt Controller
102
103 ISA
104 Instruction Set Architecture
105
106 Linaro
107 A collaborative engineering organization consolidating
108 and optimizing open source software and tools for the Arm architecture.
109
Shruti Gupta795af712022-09-27 14:21:13 +0100[diff] [blame]110 LSP
111 A logical secure partition managed by SPM
112
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]113 MMU
114 Memory Management Unit
115
116 MPAM
117 Memory Partitioning And Monitoring. An optional Armv8.4 extension.
118
Chris Kay03be39d2021-05-05 13:38:30 +0100[diff] [blame]119 MPMM
120 Maximum Power Mitigation Mechanism, an optional power management mechanism
121 supported by some Arm Armv9-A cores.
122
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]123 MPIDR
124 Multiprocessor Affinity Register
125
Paul Beesley2145bf42019-10-17 13:19:02 +0000[diff] [blame]126 MTE
127 Memory Tagging Extension. An optional Armv8.5 extension that enables
128 hardware-assisted memory tagging.
129
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]130 OEN
131 Owning Entity Number
132
133 OP-TEE
134 Open Portable Trusted Execution Environment. An example of a :term:`TEE`
135
136 OTE
137 Open-source Trusted Execution Environment
138
139 PDD
140 Platform Design Document
141
Paul Beesley2145bf42019-10-17 13:19:02 +0000[diff] [blame]142 PAUTH
143 Pointer Authentication. An optional extension introduced in Armv8.3.
144
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]145 PMF
146 Performance Measurement Framework
147
J-Alves2672cde2020-05-07 18:42:25 +0100[diff] [blame]148 PSA
149 Platform Security Architecture
150
Manish V Badarkhe985af7e2023-12-21 17:54:30 +0000[diff] [blame]151 PSR
152 Platform Security Requirements
153
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]154 PSCI
155 Power State Coordination Interface
156
157 RAS
158 Reliability, Availability, and Serviceability extensions. A mandatory
159 extension for the Armv8.2 architecture and later. An optional extension to
160 the base Armv8 architecture.
161
162 ROT
163 Root of Trust
164
165 SCMI
166 System Control and Management Interface
167
168 SCP
169 System Control Processor
170
171 SDEI
172 Software Delegated Exception Interface
173
174 SDS
175 Shared Data Storage
176
177 SEA
178 Synchronous External Abort
179
180 SiP
181 SIP
182 Silicon Provider
183
184 SMC
185 Secure Monitor Call
186
187 SMCCC
188 :term:`SMC` Calling Convention
189
190 SoC
191 System on Chip
192
193 SP
194 Secure Partition
195
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]196 SPD
197 Secure Payload Dispatcher
198
199 SPM
200 Secure Partition Manager
201
Manish V Badarkhe9d971222023-04-03 13:50:59 +0100[diff] [blame]202 SRTM
203 Static Root of Trust for Measurement
204
Paul Beesley2145bf42019-10-17 13:19:02 +0000[diff] [blame]205 SSBS
206 Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration
207 bit can be set by software to allow or prevent the hardware from
208 performing speculative operations.
209
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]210 SVE
211 Scalable Vector Extension
212
213 TBB
214 Trusted Board Boot
215
216 TBBR
217 Trusted Board Boot Requirements
218
Manish V Badarkhee39a3a82022-06-29 14:09:47 +0100[diff] [blame]219 TCB
220 Trusted Compute Base
221
Manish V Badarkhe9d971222023-04-03 13:50:59 +0100[diff] [blame]222 TCG
223 Trusted Computing Group
224
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]225 TEE
226 Trusted Execution Environment
227
228 TF-A
229 Trusted Firmware-A
230
231 TF-M
232 Trusted Firmware-M
233
234 TLB
235 Translation Lookaside Buffer
236
237 TLK
238 Trusted Little Kernel. A Trusted OS from NVIDIA.
239
Manish V Badarkhe9d971222023-04-03 13:50:59 +0100[diff] [blame]240 TPM
241 Trusted Platform Module
242
Jimmy Brisson26c5b5c2020-06-22 14:18:42 -0500[diff] [blame]243 TRNG
Sandrine Bailleux736a5922023-04-27 13:29:13 +0200[diff] [blame]244 True Random Number Generator (hardware based)
Jimmy Brisson26c5b5c2020-06-22 14:18:42 -0500[diff] [blame]245
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]246 TSP
247 Test Secure Payload
248
249 TZC
250 TrustZone Controller
251
Paul Beesley2145bf42019-10-17 13:19:02 +0000[diff] [blame]252 UBSAN
253 Undefined Behavior Sanitizer
254
Paul Beesley606d8072019-03-13 13:58:02 +0000[diff] [blame]255 UEFI
256 Unified Extensible Firmware Interface
257
258 WDOG
259 Watchdog
260
261 XLAT
262 Translation (abbr.). For example, "XLAT table".
263
Paul Beesley2145bf42019-10-17 13:19:02 +0000[diff] [blame]264.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary