Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 1 | Glossary |
| 2 | ======== |
| 3 | |
| 4 | This glossary provides definitions for terms and abbreviations used in the TF-A |
| 5 | documentation. |
| 6 | |
| 7 | You 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 Kay | cda8921 | 2021-08-17 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 Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 22 | API |
| 23 | Application Programming Interface |
| 24 | |
Manish V Badarkhe | a59fa01 | 2020-07-31 08:38:49 +0100 | [diff] [blame] | 25 | AT |
| 26 | Address Translation |
| 27 | |
Paul Beesley | 2145bf4 | 2019-10-17 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 Beesley | 606d807 | 2019-03-13 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 Ban | a49698c | 2023-06-06 13:14:45 +0200 | [diff] [blame] | 43 | DICE |
| 44 | Device Identifier Composition Engine |
| 45 | |
Manish V Badarkhe | e39a3a8 | 2022-06-29 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 Ban | a49698c | 2023-06-06 13:14:45 +0200 | [diff] [blame] | 58 | DPE |
| 59 | DICE Protection Environment |
| 60 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 61 | DS-5 |
| 62 | Arm Development Studio 5 |
| 63 | |
Paul Beesley | 2145bf4 | 2019-10-17 13:19:02 +0000 | [diff] [blame] | 64 | DSU |
| 65 | DynamIQ Shared Unit |
| 66 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 67 | DT |
| 68 | Device Tree |
| 69 | |
Louis Mayencourt | 8ac387c | 2019-11-08 15:09:15 +0000 | [diff] [blame] | 70 | DTB |
| 71 | Device Tree Blob |
| 72 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 73 | EL |
| 74 | Exception Level |
| 75 | |
| 76 | EHF |
| 77 | Exception Handling Framework |
| 78 | |
Sona Mathew | 6315c58 | 2023-03-15 09:40:36 -0500 | [diff] [blame] | 79 | ERRATA_ABI |
| 80 | Errata management firmware interface |
| 81 | |
Louis Mayencourt | 8ac387c | 2019-11-08 15:09:15 +0000 | [diff] [blame] | 82 | FCONF |
| 83 | Firmware Configuration Framework |
| 84 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 85 | FDT |
| 86 | Flattened Device Tree |
| 87 | |
Olivier Deprez | 2b0be75 | 2021-09-01 10:25:21 +0200 | [diff] [blame] | 88 | FF-A |
| 89 | Firmware Framework for Arm A-profile |
J-Alves | 2672cde | 2020-05-07 18:42:25 +0100 | [diff] [blame] | 90 | |
Paul Beesley | 606d807 | 2019-03-13 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 Ban | 0627f7a | 2024-09-02 13:35:21 +0200 | [diff] [blame] | 103 | HES |
| 104 | Arm CCA Hardware Enforced Security |
| 105 | |
Paul Beesley | 606d807 | 2019-03-13 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 Gupta | 795af71 | 2022-09-27 14:21:13 +0100 | [diff] [blame] | 113 | LSP |
| 114 | A logical secure partition managed by SPM |
| 115 | |
Paul Beesley | 606d807 | 2019-03-13 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 Kay | 03be39d | 2021-05-05 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 Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 126 | MPIDR |
| 127 | Multiprocessor Affinity Register |
| 128 | |
Paul Beesley | 2145bf4 | 2019-10-17 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 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 133 | OEN |
| 134 | Owning Entity Number |
| 135 | |
| 136 | OP-TEE |
| 137 | Open Portable Trusted Execution Environment. An example of a :term:`TEE` |
| 138 | |
| 139 | OTE |
| 140 | Open-source Trusted Execution Environment |
| 141 | |
Abhi Singh | bff33ec | 2024-10-08 16:04:00 -0500 | [diff] [blame] | 142 | PCR |
| 143 | Platform Configuration Register |
| 144 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 145 | PDD |
| 146 | Platform Design Document |
| 147 | |
Paul Beesley | 2145bf4 | 2019-10-17 13:19:02 +0000 | [diff] [blame] | 148 | PAUTH |
| 149 | Pointer Authentication. An optional extension introduced in Armv8.3. |
| 150 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 151 | PMF |
| 152 | Performance Measurement Framework |
| 153 | |
J-Alves | 2672cde | 2020-05-07 18:42:25 +0100 | [diff] [blame] | 154 | PSA |
| 155 | Platform Security Architecture |
| 156 | |
Manish V Badarkhe | 985af7e | 2023-12-21 17:54:30 +0000 | [diff] [blame] | 157 | PSR |
| 158 | Platform Security Requirements |
| 159 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 160 | PSCI |
| 161 | Power State Coordination Interface |
| 162 | |
| 163 | RAS |
| 164 | Reliability, Availability, and Serviceability extensions. A mandatory |
| 165 | extension for the Armv8.2 architecture and later. An optional extension to |
| 166 | the base Armv8 architecture. |
| 167 | |
| 168 | ROT |
| 169 | Root of Trust |
| 170 | |
Tamas Ban | 0627f7a | 2024-09-02 13:35:21 +0200 | [diff] [blame] | 171 | RSE |
| 172 | Runtime Security Engine |
| 173 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 174 | SCMI |
| 175 | System Control and Management Interface |
| 176 | |
| 177 | SCP |
| 178 | System Control Processor |
| 179 | |
| 180 | SDEI |
| 181 | Software Delegated Exception Interface |
| 182 | |
| 183 | SDS |
| 184 | Shared Data Storage |
| 185 | |
| 186 | SEA |
| 187 | Synchronous External Abort |
| 188 | |
| 189 | SiP |
| 190 | SIP |
| 191 | Silicon Provider |
| 192 | |
| 193 | SMC |
| 194 | Secure Monitor Call |
| 195 | |
| 196 | SMCCC |
| 197 | :term:`SMC` Calling Convention |
| 198 | |
| 199 | SoC |
| 200 | System on Chip |
| 201 | |
| 202 | SP |
| 203 | Secure Partition |
| 204 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 205 | SPD |
| 206 | Secure Payload Dispatcher |
| 207 | |
| 208 | SPM |
| 209 | Secure Partition Manager |
| 210 | |
Manish V Badarkhe | 9d97122 | 2023-04-03 13:50:59 +0100 | [diff] [blame] | 211 | SRTM |
| 212 | Static Root of Trust for Measurement |
| 213 | |
Paul Beesley | 2145bf4 | 2019-10-17 13:19:02 +0000 | [diff] [blame] | 214 | SSBS |
| 215 | Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration |
| 216 | bit can be set by software to allow or prevent the hardware from |
| 217 | performing speculative operations. |
| 218 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 219 | SVE |
| 220 | Scalable Vector Extension |
| 221 | |
| 222 | TBB |
| 223 | Trusted Board Boot |
| 224 | |
| 225 | TBBR |
| 226 | Trusted Board Boot Requirements |
| 227 | |
Manish V Badarkhe | e39a3a8 | 2022-06-29 14:09:47 +0100 | [diff] [blame] | 228 | TCB |
| 229 | Trusted Compute Base |
| 230 | |
Manish V Badarkhe | 9d97122 | 2023-04-03 13:50:59 +0100 | [diff] [blame] | 231 | TCG |
| 232 | Trusted Computing Group |
| 233 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 234 | TEE |
| 235 | Trusted Execution Environment |
| 236 | |
| 237 | TF-A |
| 238 | Trusted Firmware-A |
| 239 | |
| 240 | TF-M |
| 241 | Trusted Firmware-M |
| 242 | |
| 243 | TLB |
| 244 | Translation Lookaside Buffer |
| 245 | |
| 246 | TLK |
| 247 | Trusted Little Kernel. A Trusted OS from NVIDIA. |
| 248 | |
Manish V Badarkhe | 9d97122 | 2023-04-03 13:50:59 +0100 | [diff] [blame] | 249 | TPM |
| 250 | Trusted Platform Module |
| 251 | |
Jimmy Brisson | 26c5b5c | 2020-06-22 14:18:42 -0500 | [diff] [blame] | 252 | TRNG |
Sandrine Bailleux | 736a592 | 2023-04-27 13:29:13 +0200 | [diff] [blame] | 253 | True Random Number Generator (hardware based) |
Jimmy Brisson | 26c5b5c | 2020-06-22 14:18:42 -0500 | [diff] [blame] | 254 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 255 | TSP |
| 256 | Test Secure Payload |
| 257 | |
| 258 | TZC |
| 259 | TrustZone Controller |
| 260 | |
Paul Beesley | 2145bf4 | 2019-10-17 13:19:02 +0000 | [diff] [blame] | 261 | UBSAN |
| 262 | Undefined Behavior Sanitizer |
| 263 | |
Paul Beesley | 606d807 | 2019-03-13 13:58:02 +0000 | [diff] [blame] | 264 | UEFI |
| 265 | Unified Extensible Firmware Interface |
| 266 | |
| 267 | WDOG |
| 268 | Watchdog |
| 269 | |
| 270 | XLAT |
| 271 | Translation (abbr.). For example, "XLAT table". |
| 272 | |
Paul Beesley | 2145bf4 | 2019-10-17 13:19:02 +0000 | [diff] [blame] | 273 | .. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary |