18f62ca7bSPaul BeesleyGlossary 28f62ca7bSPaul Beesley======== 38f62ca7bSPaul Beesley 48f62ca7bSPaul BeesleyThis glossary provides definitions for terms and abbreviations used in the TF-A 58f62ca7bSPaul Beesleydocumentation. 68f62ca7bSPaul Beesley 78f62ca7bSPaul BeesleyYou can find additional definitions in the `Arm Glossary`_. 88f62ca7bSPaul Beesley 98f62ca7bSPaul Beesley.. glossary:: 108f62ca7bSPaul Beesley :sorted: 118f62ca7bSPaul Beesley 128f62ca7bSPaul Beesley AArch32 138f62ca7bSPaul Beesley 32-bit execution state of the ARMv8 ISA 148f62ca7bSPaul Beesley 158f62ca7bSPaul Beesley AArch64 168f62ca7bSPaul Beesley 64-bit execution state of the ARMv8 ISA 178f62ca7bSPaul Beesley 188f62ca7bSPaul Beesley API 198f62ca7bSPaul Beesley Application Programming Interface 208f62ca7bSPaul Beesley 21*ff2d38c2SPaul Beesley BTI 22*ff2d38c2SPaul Beesley Branch Target Identification. An Armv8.5 extension providing additional 23*ff2d38c2SPaul Beesley control flow integrity around indirect branches and their targets. 24*ff2d38c2SPaul Beesley 258f62ca7bSPaul Beesley CoT 268f62ca7bSPaul Beesley COT 278f62ca7bSPaul Beesley Chain of Trust 288f62ca7bSPaul Beesley 298f62ca7bSPaul Beesley CSS 308f62ca7bSPaul Beesley Compute Sub-System 318f62ca7bSPaul Beesley 328f62ca7bSPaul Beesley CVE 338f62ca7bSPaul Beesley Common Vulnerabilities and Exposures. A CVE document is commonly used to 348f62ca7bSPaul Beesley describe a publicly-known security vulnerability. 358f62ca7bSPaul Beesley 368f62ca7bSPaul Beesley DS-5 378f62ca7bSPaul Beesley Arm Development Studio 5 388f62ca7bSPaul Beesley 39*ff2d38c2SPaul Beesley DSU 40*ff2d38c2SPaul Beesley DynamIQ Shared Unit 41*ff2d38c2SPaul Beesley 428f62ca7bSPaul Beesley DT 438f62ca7bSPaul Beesley Device Tree 448f62ca7bSPaul Beesley 458f62ca7bSPaul Beesley EL 468f62ca7bSPaul Beesley Exception Level 478f62ca7bSPaul Beesley 488f62ca7bSPaul Beesley EHF 498f62ca7bSPaul Beesley Exception Handling Framework 508f62ca7bSPaul Beesley 518f62ca7bSPaul Beesley FDT 528f62ca7bSPaul Beesley Flattened Device Tree 538f62ca7bSPaul Beesley 548f62ca7bSPaul Beesley FIP 558f62ca7bSPaul Beesley Firmware Image Package 568f62ca7bSPaul Beesley 578f62ca7bSPaul Beesley FVP 588f62ca7bSPaul Beesley Fixed Virtual Platform 598f62ca7bSPaul Beesley 608f62ca7bSPaul Beesley FWU 618f62ca7bSPaul Beesley FirmWare Update 628f62ca7bSPaul Beesley 638f62ca7bSPaul Beesley GIC 648f62ca7bSPaul Beesley Generic Interrupt Controller 658f62ca7bSPaul Beesley 668f62ca7bSPaul Beesley ISA 678f62ca7bSPaul Beesley Instruction Set Architecture 688f62ca7bSPaul Beesley 698f62ca7bSPaul Beesley Linaro 708f62ca7bSPaul Beesley A collaborative engineering organization consolidating 718f62ca7bSPaul Beesley and optimizing open source software and tools for the Arm architecture. 728f62ca7bSPaul Beesley 738f62ca7bSPaul Beesley MMU 748f62ca7bSPaul Beesley Memory Management Unit 758f62ca7bSPaul Beesley 768f62ca7bSPaul Beesley MPAM 778f62ca7bSPaul Beesley Memory Partitioning And Monitoring. An optional Armv8.4 extension. 788f62ca7bSPaul Beesley 798f62ca7bSPaul Beesley MPIDR 808f62ca7bSPaul Beesley Multiprocessor Affinity Register 818f62ca7bSPaul Beesley 82*ff2d38c2SPaul Beesley MTE 83*ff2d38c2SPaul Beesley Memory Tagging Extension. An optional Armv8.5 extension that enables 84*ff2d38c2SPaul Beesley hardware-assisted memory tagging. 85*ff2d38c2SPaul Beesley 868f62ca7bSPaul Beesley OEN 878f62ca7bSPaul Beesley Owning Entity Number 888f62ca7bSPaul Beesley 898f62ca7bSPaul Beesley OP-TEE 908f62ca7bSPaul Beesley Open Portable Trusted Execution Environment. An example of a :term:`TEE` 918f62ca7bSPaul Beesley 928f62ca7bSPaul Beesley OTE 938f62ca7bSPaul Beesley Open-source Trusted Execution Environment 948f62ca7bSPaul Beesley 958f62ca7bSPaul Beesley PDD 968f62ca7bSPaul Beesley Platform Design Document 978f62ca7bSPaul Beesley 98*ff2d38c2SPaul Beesley PAUTH 99*ff2d38c2SPaul Beesley Pointer Authentication. An optional extension introduced in Armv8.3. 100*ff2d38c2SPaul Beesley 1018f62ca7bSPaul Beesley PMF 1028f62ca7bSPaul Beesley Performance Measurement Framework 1038f62ca7bSPaul Beesley 1048f62ca7bSPaul Beesley PSCI 1058f62ca7bSPaul Beesley Power State Coordination Interface 1068f62ca7bSPaul Beesley 1078f62ca7bSPaul Beesley RAS 1088f62ca7bSPaul Beesley Reliability, Availability, and Serviceability extensions. A mandatory 1098f62ca7bSPaul Beesley extension for the Armv8.2 architecture and later. An optional extension to 1108f62ca7bSPaul Beesley the base Armv8 architecture. 1118f62ca7bSPaul Beesley 1128f62ca7bSPaul Beesley ROT 1138f62ca7bSPaul Beesley Root of Trust 1148f62ca7bSPaul Beesley 1158f62ca7bSPaul Beesley SCMI 1168f62ca7bSPaul Beesley System Control and Management Interface 1178f62ca7bSPaul Beesley 1188f62ca7bSPaul Beesley SCP 1198f62ca7bSPaul Beesley System Control Processor 1208f62ca7bSPaul Beesley 1218f62ca7bSPaul Beesley SDEI 1228f62ca7bSPaul Beesley Software Delegated Exception Interface 1238f62ca7bSPaul Beesley 1248f62ca7bSPaul Beesley SDS 1258f62ca7bSPaul Beesley Shared Data Storage 1268f62ca7bSPaul Beesley 1278f62ca7bSPaul Beesley SEA 1288f62ca7bSPaul Beesley Synchronous External Abort 1298f62ca7bSPaul Beesley 1308f62ca7bSPaul Beesley SiP 1318f62ca7bSPaul Beesley SIP 1328f62ca7bSPaul Beesley Silicon Provider 1338f62ca7bSPaul Beesley 1348f62ca7bSPaul Beesley SMC 1358f62ca7bSPaul Beesley Secure Monitor Call 1368f62ca7bSPaul Beesley 1378f62ca7bSPaul Beesley SMCCC 1388f62ca7bSPaul Beesley :term:`SMC` Calling Convention 1398f62ca7bSPaul Beesley 1408f62ca7bSPaul Beesley SoC 1418f62ca7bSPaul Beesley System on Chip 1428f62ca7bSPaul Beesley 1438f62ca7bSPaul Beesley SP 1448f62ca7bSPaul Beesley Secure Partition 1458f62ca7bSPaul Beesley 14653279112SArtsem Artsemenka SPCI 14753279112SArtsem Artsemenka Secure Partition Client Interface 14853279112SArtsem Artsemenka 1498f62ca7bSPaul Beesley SPD 1508f62ca7bSPaul Beesley Secure Payload Dispatcher 1518f62ca7bSPaul Beesley 1528f62ca7bSPaul Beesley SPM 1538f62ca7bSPaul Beesley Secure Partition Manager 1548f62ca7bSPaul Beesley 155*ff2d38c2SPaul Beesley SSBS 156*ff2d38c2SPaul Beesley Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration 157*ff2d38c2SPaul Beesley bit can be set by software to allow or prevent the hardware from 158*ff2d38c2SPaul Beesley performing speculative operations. 159*ff2d38c2SPaul Beesley 1608f62ca7bSPaul Beesley SVE 1618f62ca7bSPaul Beesley Scalable Vector Extension 1628f62ca7bSPaul Beesley 1638f62ca7bSPaul Beesley TBB 1648f62ca7bSPaul Beesley Trusted Board Boot 1658f62ca7bSPaul Beesley 1668f62ca7bSPaul Beesley TBBR 1678f62ca7bSPaul Beesley Trusted Board Boot Requirements 1688f62ca7bSPaul Beesley 1698f62ca7bSPaul Beesley TEE 1708f62ca7bSPaul Beesley Trusted Execution Environment 1718f62ca7bSPaul Beesley 1728f62ca7bSPaul Beesley TF-A 1738f62ca7bSPaul Beesley Trusted Firmware-A 1748f62ca7bSPaul Beesley 1758f62ca7bSPaul Beesley TF-M 1768f62ca7bSPaul Beesley Trusted Firmware-M 1778f62ca7bSPaul Beesley 1788f62ca7bSPaul Beesley TLB 1798f62ca7bSPaul Beesley Translation Lookaside Buffer 1808f62ca7bSPaul Beesley 1818f62ca7bSPaul Beesley TLK 1828f62ca7bSPaul Beesley Trusted Little Kernel. A Trusted OS from NVIDIA. 1838f62ca7bSPaul Beesley 1848f62ca7bSPaul Beesley TSP 1858f62ca7bSPaul Beesley Test Secure Payload 1868f62ca7bSPaul Beesley 1878f62ca7bSPaul Beesley TZC 1888f62ca7bSPaul Beesley TrustZone Controller 1898f62ca7bSPaul Beesley 190*ff2d38c2SPaul Beesley UBSAN 191*ff2d38c2SPaul Beesley Undefined Behavior Sanitizer 192*ff2d38c2SPaul Beesley 1938f62ca7bSPaul Beesley UEFI 1948f62ca7bSPaul Beesley Unified Extensible Firmware Interface 1958f62ca7bSPaul Beesley 1968f62ca7bSPaul Beesley WDOG 1978f62ca7bSPaul Beesley Watchdog 1988f62ca7bSPaul Beesley 1998f62ca7bSPaul Beesley XLAT 2008f62ca7bSPaul Beesley Translation (abbr.). For example, "XLAT table". 2018f62ca7bSPaul Beesley 2028f62ca7bSPaul Beesley.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary 203