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Paul Beesley8f62ca72019-03-13 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 Kay9cf75642021-08-17 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 Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]22 API
23 Application Programming Interface
24
Manish V Badarkhee008a292020-07-31 08:38:49 +0100[diff] [blame]25 AT
26 Address Translation
27
Paul Beesleyff2d38c2019-10-17 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 Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]32 CoT
33 COT
34 Chain of Trust
35
36 CSS
37 Compute Sub-System
38
Abhi Singha2dd13c2024-10-21 13:21:42 -0500[diff] [blame]39 CRB
40 Command Response Buffer
41
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]42 CVE
43 Common Vulnerabilities and Exposures. A CVE document is commonly used to
44 describe a publicly-known security vulnerability.
45
Tamas Ban584052c2023-06-06 13:14:45 +0200[diff] [blame]46 DICE
47 Device Identifier Composition Engine
48
Manish V Badarkhe50a43b02022-06-29 14:09:47 +0100[diff] [blame]49 DCE
50 DRTM Configuration Environment
51
52 D-CRTM
53 Dynamic Code Root of Trust for Measurement
54
55 DLME
56 Dynamically Launched Measured Environment
57
58 DRTM
59 Dynamic Root of Trust for Measurement
60
Tamas Ban584052c2023-06-06 13:14:45 +0200[diff] [blame]61 DPE
62 DICE Protection Environment
63
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]64 DS-5
65 Arm Development Studio 5
66
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]67 DSU
68 DynamIQ Shared Unit
69
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]70 DT
71 Device Tree
72
Louis Mayencourt326150b2019-11-08 15:09:15 +0000[diff] [blame]73 DTB
74 Device Tree Blob
75
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]76 EL
77 Exception Level
78
79 EHF
80 Exception Handling Framework
81
Sona Mathewe5d9b6f2023-03-15 09:40:36 -0500[diff] [blame]82 ERRATA_ABI
83 Errata management firmware interface
84
Louis Mayencourt326150b2019-11-08 15:09:15 +0000[diff] [blame]85 FCONF
86 Firmware Configuration Framework
87
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]88 FDT
89 Flattened Device Tree
90
Olivier Deprez8a5bd3c2021-09-01 10:25:21 +0200[diff] [blame]91 FF-A
92 Firmware Framework for Arm A-profile
J-Alves662af362020-05-07 18:42:25 +0100[diff] [blame]93
Abhi Singha2dd13c2024-10-21 13:21:42 -0500[diff] [blame]94 FIFO
95 First In, First Out
96
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]97 FIP
98 Firmware Image Package
99
100 FVP
101 Fixed Virtual Platform
102
103 FWU
104 FirmWare Update
105
106 GIC
107 Generic Interrupt Controller
108
Tamas Ban3849d272024-09-02 13:35:21 +0200[diff] [blame]109 HES
110 Arm CCA Hardware Enforced Security
111
Abhi Singha2dd13c2024-10-21 13:21:42 -0500[diff] [blame]112 I2C
113 Inter-Integrated Circuit Protocol
114
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]115 ISA
116 Instruction Set Architecture
117
118 Linaro
119 A collaborative engineering organization consolidating
120 and optimizing open source software and tools for the Arm architecture.
121
Shruti Gupta20155112022-09-27 14:21:13 +0100[diff] [blame]122 LSP
123 A logical secure partition managed by SPM
124
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]125 MMU
126 Memory Management Unit
127
128 MPAM
129 Memory Partitioning And Monitoring. An optional Armv8.4 extension.
130
Chris Kay68120782021-05-05 13:38:30 +0100[diff] [blame]131 MPMM
132 Maximum Power Mitigation Mechanism, an optional power management mechanism
133 supported by some Arm Armv9-A cores.
134
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]135 MPIDR
136 Multiprocessor Affinity Register
137
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]138 MTE
139 Memory Tagging Extension. An optional Armv8.5 extension that enables
140 hardware-assisted memory tagging.
141
Govindraj Rajad39c2f32024-12-12 17:16:03 -0600[diff] [blame]142 LTS
143 Long-Term Support
144
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]145 OEN
146 Owning Entity Number
147
148 OP-TEE
149 Open Portable Trusted Execution Environment. An example of a :term:`TEE`
150
151 OTE
152 Open-source Trusted Execution Environment
153
Abhi Singh07c2d182024-10-08 16:04:00 -0500[diff] [blame]154 PCR
155 Platform Configuration Register
156
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]157 PDD
158 Platform Design Document
159
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]160 PAUTH
161 Pointer Authentication. An optional extension introduced in Armv8.3.
162
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]163 PMF
164 Performance Measurement Framework
165
J-Alves662af362020-05-07 18:42:25 +0100[diff] [blame]166 PSA
167 Platform Security Architecture
168
Manish V Badarkhe34bb8832023-12-21 17:54:30 +0000[diff] [blame]169 PSR
170 Platform Security Requirements
171
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]172 PSCI
173 Power State Coordination Interface
174
175 RAS
176 Reliability, Availability, and Serviceability extensions. A mandatory
177 extension for the Armv8.2 architecture and later. An optional extension to
178 the base Armv8 architecture.
179
180 ROT
181 Root of Trust
182
Tamas Ban3849d272024-09-02 13:35:21 +0200[diff] [blame]183 RSE
184 Runtime Security Engine
185
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]186 SCMI
187 System Control and Management Interface
188
189 SCP
190 System Control Processor
191
192 SDEI
193 Software Delegated Exception Interface
194
195 SDS
196 Shared Data Storage
197
198 SEA
199 Synchronous External Abort
200
201 SiP
202 SIP
203 Silicon Provider
204
205 SMC
206 Secure Monitor Call
207
208 SMCCC
209 :term:`SMC` Calling Convention
210
211 SoC
212 System on Chip
213
214 SP
215 Secure Partition
216
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]217 SPD
218 Secure Payload Dispatcher
219
220 SPM
221 Secure Partition Manager
222
Abhi Singha2dd13c2024-10-21 13:21:42 -0500[diff] [blame]223 SPI
224 Serial Peripheral Interface
225
Manish V Badarkhe7ccefbc2023-04-03 13:50:59 +0100[diff] [blame]226 SRTM
227 Static Root of Trust for Measurement
228
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]229 SSBS
230 Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration
231 bit can be set by software to allow or prevent the hardware from
232 performing speculative operations.
233
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]234 SVE
235 Scalable Vector Extension
236
237 TBB
238 Trusted Board Boot
239
240 TBBR
241 Trusted Board Boot Requirements
242
Manish V Badarkhe50a43b02022-06-29 14:09:47 +0100[diff] [blame]243 TCB
244 Trusted Compute Base
245
Manish V Badarkhe7ccefbc2023-04-03 13:50:59 +0100[diff] [blame]246 TCG
247 Trusted Computing Group
248
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]249 TEE
250 Trusted Execution Environment
251
252 TF-A
253 Trusted Firmware-A
254
255 TF-M
256 Trusted Firmware-M
257
258 TLB
259 Translation Lookaside Buffer
260
261 TLK
262 Trusted Little Kernel. A Trusted OS from NVIDIA.
263
Manish V Badarkhe7ccefbc2023-04-03 13:50:59 +0100[diff] [blame]264 TPM
265 Trusted Platform Module
266
Jimmy Brisson7dfb9912020-06-22 14:18:42 -0500[diff] [blame]267 TRNG
Sandrine Bailleux6fc9c1c2023-04-27 13:29:13 +0200[diff] [blame]268 True Random Number Generator (hardware based)
Jimmy Brisson7dfb9912020-06-22 14:18:42 -0500[diff] [blame]269
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]270 TSP
271 Test Secure Payload
272
273 TZC
274 TrustZone Controller
275
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]276 UBSAN
277 Undefined Behavior Sanitizer
278
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]279 UEFI
280 Unified Extensible Firmware Interface
281
282 WDOG
283 Watchdog
284
285 XLAT
286 Translation (abbr.). For example, "XLAT table".
287
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]288.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary