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 18 API 19 Application Programming Interface 20 21 CoT 22 COT 23 Chain of Trust 24 25 CSS 26 Compute Sub-System 27 28 CVE 29 Common Vulnerabilities and Exposures. A CVE document is commonly used to 30 describe a publicly-known security vulnerability. 31 32 DS-5 33 Arm Development Studio 5 34 35 DT 36 Device Tree 37 38 EL 39 Exception Level 40 41 EHF 42 Exception Handling Framework 43 44 FDT 45 Flattened Device Tree 46 47 FIP 48 Firmware Image Package 49 50 FVP 51 Fixed Virtual Platform 52 53 FWU 54 FirmWare Update 55 56 GIC 57 Generic Interrupt Controller 58 59 ISA 60 Instruction Set Architecture 61 62 Linaro 63 A collaborative engineering organization consolidating 64 and optimizing open source software and tools for the Arm architecture. 65 66 MMU 67 Memory Management Unit 68 69 MPAM 70 Memory Partitioning And Monitoring. An optional Armv8.4 extension. 71 72 MPIDR 73 Multiprocessor Affinity Register 74 75 OEN 76 Owning Entity Number 77 78 OP-TEE 79 Open Portable Trusted Execution Environment. An example of a :term:`TEE` 80 81 OTE 82 Open-source Trusted Execution Environment 83 84 PDD 85 Platform Design Document 86 87 PMF 88 Performance Measurement Framework 89 90 PSCI 91 Power State Coordination Interface 92 93 RAS 94 Reliability, Availability, and Serviceability extensions. A mandatory 95 extension for the Armv8.2 architecture and later. An optional extension to 96 the base Armv8 architecture. 97 98 ROT 99 Root of Trust 100 101 SCMI 102 System Control and Management Interface 103 104 SCP 105 System Control Processor 106 107 SDEI 108 Software Delegated Exception Interface 109 110 SDS 111 Shared Data Storage 112 113 SEA 114 Synchronous External Abort 115 116 SiP 117 SIP 118 Silicon Provider 119 120 SMC 121 Secure Monitor Call 122 123 SMCCC 124 :term:`SMC` Calling Convention 125 126 SoC 127 System on Chip 128 129 SP 130 Secure Partition 131 132 SPD 133 Secure Payload Dispatcher 134 135 SPM 136 Secure Partition Manager 137 138 SVE 139 Scalable Vector Extension 140 141 TBB 142 Trusted Board Boot 143 144 TBBR 145 Trusted Board Boot Requirements 146 147 TEE 148 Trusted Execution Environment 149 150 TF-A 151 Trusted Firmware-A 152 153 TF-M 154 Trusted Firmware-M 155 156 TLB 157 Translation Lookaside Buffer 158 159 TLK 160 Trusted Little Kernel. A Trusted OS from NVIDIA. 161 162 TSP 163 Test Secure Payload 164 165 TZC 166 TrustZone Controller 167 168 UEFI 169 Unified Extensible Firmware Interface 170 171 WDOG 172 Watchdog 173 174 XLAT 175 Translation (abbr.). For example, "XLAT table". 176 177.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary