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review.trustedfirmware.org / TF-A / trusted-firmware-a / refs/heads/lts-v2.12 / . / docs / glossary.rst
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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
39 CVE
40 Common Vulnerabilities and Exposures. A CVE document is commonly used to
41 describe a publicly-known security vulnerability.
42
Tamas Ban584052c2023-06-06 13:14:45 +0200[diff] [blame]43 DICE
44 Device Identifier Composition Engine
45
Manish V Badarkhe50a43b02022-06-29 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 Ban584052c2023-06-06 13:14:45 +0200[diff] [blame]58 DPE
59 DICE Protection Environment
60
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]61 DS-5
62 Arm Development Studio 5
63
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]64 DSU
65 DynamIQ Shared Unit
66
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]67 DT
68 Device Tree
69
Louis Mayencourt326150b2019-11-08 15:09:15 +0000[diff] [blame]70 DTB
71 Device Tree Blob
72
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]73 EL
74 Exception Level
75
76 EHF
77 Exception Handling Framework
78
Sona Mathewe5d9b6f2023-03-15 09:40:36 -0500[diff] [blame]79 ERRATA_ABI
80 Errata management firmware interface
81
Louis Mayencourt326150b2019-11-08 15:09:15 +0000[diff] [blame]82 FCONF
83 Firmware Configuration Framework
84
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]85 FDT
86 Flattened Device Tree
87
Olivier Deprez8a5bd3c2021-09-01 10:25:21 +0200[diff] [blame]88 FF-A
89 Firmware Framework for Arm A-profile
J-Alves662af362020-05-07 18:42:25 +0100[diff] [blame]90
Paul Beesley8f62ca72019-03-13 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
Tamas Ban3849d272024-09-02 13:35:21 +0200[diff] [blame]103 HES
104 Arm CCA Hardware Enforced Security
105
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]106 ISA
107 Instruction Set Architecture
108
109 Linaro
110 A collaborative engineering organization consolidating
111 and optimizing open source software and tools for the Arm architecture.
112
Shruti Gupta20155112022-09-27 14:21:13 +0100[diff] [blame]113 LSP
114 A logical secure partition managed by SPM
115
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]116 MMU
117 Memory Management Unit
118
119 MPAM
120 Memory Partitioning And Monitoring. An optional Armv8.4 extension.
121
Chris Kay68120782021-05-05 13:38:30 +0100[diff] [blame]122 MPMM
123 Maximum Power Mitigation Mechanism, an optional power management mechanism
124 supported by some Arm Armv9-A cores.
125
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]126 MPIDR
127 Multiprocessor Affinity Register
128
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]129 MTE
130 Memory Tagging Extension. An optional Armv8.5 extension that enables
131 hardware-assisted memory tagging.
132
Govindraj Rajaf00f71e2024-12-12 17:16:03 -0600[diff] [blame]133 LTS
134 Long-Term Support
135
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]136 OEN
137 Owning Entity Number
138
139 OP-TEE
140 Open Portable Trusted Execution Environment. An example of a :term:`TEE`
141
142 OTE
143 Open-source Trusted Execution Environment
144
Abhi Singh07c2d182024-10-08 16:04:00 -0500[diff] [blame]145 PCR
146 Platform Configuration Register
147
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]148 PDD
149 Platform Design Document
150
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]151 PAUTH
152 Pointer Authentication. An optional extension introduced in Armv8.3.
153
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]154 PMF
155 Performance Measurement Framework
156
J-Alves662af362020-05-07 18:42:25 +0100[diff] [blame]157 PSA
158 Platform Security Architecture
159
Manish V Badarkhe34bb8832023-12-21 17:54:30 +0000[diff] [blame]160 PSR
161 Platform Security Requirements
162
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]163 PSCI
164 Power State Coordination Interface
165
166 RAS
167 Reliability, Availability, and Serviceability extensions. A mandatory
168 extension for the Armv8.2 architecture and later. An optional extension to
169 the base Armv8 architecture.
170
171 ROT
172 Root of Trust
173
Tamas Ban3849d272024-09-02 13:35:21 +0200[diff] [blame]174 RSE
175 Runtime Security Engine
176
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]177 SCMI
178 System Control and Management Interface
179
180 SCP
181 System Control Processor
182
183 SDEI
184 Software Delegated Exception Interface
185
186 SDS
187 Shared Data Storage
188
189 SEA
190 Synchronous External Abort
191
192 SiP
193 SIP
194 Silicon Provider
195
196 SMC
197 Secure Monitor Call
198
199 SMCCC
200 :term:`SMC` Calling Convention
201
202 SoC
203 System on Chip
204
205 SP
206 Secure Partition
207
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]208 SPD
209 Secure Payload Dispatcher
210
211 SPM
212 Secure Partition Manager
213
Manish V Badarkhe7ccefbc2023-04-03 13:50:59 +0100[diff] [blame]214 SRTM
215 Static Root of Trust for Measurement
216
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]217 SSBS
218 Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration
219 bit can be set by software to allow or prevent the hardware from
220 performing speculative operations.
221
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]222 SVE
223 Scalable Vector Extension
224
225 TBB
226 Trusted Board Boot
227
228 TBBR
229 Trusted Board Boot Requirements
230
Manish V Badarkhe50a43b02022-06-29 14:09:47 +0100[diff] [blame]231 TCB
232 Trusted Compute Base
233
Manish V Badarkhe7ccefbc2023-04-03 13:50:59 +0100[diff] [blame]234 TCG
235 Trusted Computing Group
236
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]237 TEE
238 Trusted Execution Environment
239
240 TF-A
241 Trusted Firmware-A
242
243 TF-M
244 Trusted Firmware-M
245
246 TLB
247 Translation Lookaside Buffer
248
249 TLK
250 Trusted Little Kernel. A Trusted OS from NVIDIA.
251
Manish V Badarkhe7ccefbc2023-04-03 13:50:59 +0100[diff] [blame]252 TPM
253 Trusted Platform Module
254
Jimmy Brisson7dfb9912020-06-22 14:18:42 -0500[diff] [blame]255 TRNG
Sandrine Bailleux6fc9c1c2023-04-27 13:29:13 +0200[diff] [blame]256 True Random Number Generator (hardware based)
Jimmy Brisson7dfb9912020-06-22 14:18:42 -0500[diff] [blame]257
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]258 TSP
259 Test Secure Payload
260
261 TZC
262 TrustZone Controller
263
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]264 UBSAN
265 Undefined Behavior Sanitizer
266
Paul Beesley8f62ca72019-03-13 13:58:02 +0000[diff] [blame]267 UEFI
268 Unified Extensible Firmware Interface
269
270 WDOG
271 Watchdog
272
273 XLAT
274 Translation (abbr.). For example, "XLAT table".
275
Paul Beesleyff2d38c2019-10-17 13:19:02 +0000[diff] [blame]276.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary