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 21e008a29aSManish V Badarkhe AT 22e008a29aSManish V Badarkhe Address Translation 23e008a29aSManish V Badarkhe 24ff2d38c2SPaul Beesley BTI 25ff2d38c2SPaul Beesley Branch Target Identification. An Armv8.5 extension providing additional 26ff2d38c2SPaul Beesley control flow integrity around indirect branches and their targets. 27ff2d38c2SPaul Beesley 288f62ca7bSPaul Beesley CoT 298f62ca7bSPaul Beesley COT 308f62ca7bSPaul Beesley Chain of Trust 318f62ca7bSPaul Beesley 328f62ca7bSPaul Beesley CSS 338f62ca7bSPaul Beesley Compute Sub-System 348f62ca7bSPaul Beesley 358f62ca7bSPaul Beesley CVE 368f62ca7bSPaul Beesley Common Vulnerabilities and Exposures. A CVE document is commonly used to 378f62ca7bSPaul Beesley describe a publicly-known security vulnerability. 388f62ca7bSPaul Beesley 398f62ca7bSPaul Beesley DS-5 408f62ca7bSPaul Beesley Arm Development Studio 5 418f62ca7bSPaul Beesley 42ff2d38c2SPaul Beesley DSU 43ff2d38c2SPaul Beesley DynamIQ Shared Unit 44ff2d38c2SPaul Beesley 458f62ca7bSPaul Beesley DT 468f62ca7bSPaul Beesley Device Tree 478f62ca7bSPaul Beesley 48326150b9SLouis Mayencourt DTB 49326150b9SLouis Mayencourt Device Tree Blob 50326150b9SLouis Mayencourt 518f62ca7bSPaul Beesley EL 528f62ca7bSPaul Beesley Exception Level 538f62ca7bSPaul Beesley 548f62ca7bSPaul Beesley EHF 558f62ca7bSPaul Beesley Exception Handling Framework 568f62ca7bSPaul Beesley 57326150b9SLouis Mayencourt FCONF 58326150b9SLouis Mayencourt Firmware Configuration Framework 59326150b9SLouis Mayencourt 608f62ca7bSPaul Beesley FDT 618f62ca7bSPaul Beesley Flattened Device Tree 628f62ca7bSPaul Beesley 63662af36dSJ-Alves FFA 64662af36dSJ-Alves Firmware Framework for A-class processors 65662af36dSJ-Alves 668f62ca7bSPaul Beesley FIP 678f62ca7bSPaul Beesley Firmware Image Package 688f62ca7bSPaul Beesley 698f62ca7bSPaul Beesley FVP 708f62ca7bSPaul Beesley Fixed Virtual Platform 718f62ca7bSPaul Beesley 728f62ca7bSPaul Beesley FWU 738f62ca7bSPaul Beesley FirmWare Update 748f62ca7bSPaul Beesley 758f62ca7bSPaul Beesley GIC 768f62ca7bSPaul Beesley Generic Interrupt Controller 778f62ca7bSPaul Beesley 788f62ca7bSPaul Beesley ISA 798f62ca7bSPaul Beesley Instruction Set Architecture 808f62ca7bSPaul Beesley 818f62ca7bSPaul Beesley Linaro 828f62ca7bSPaul Beesley A collaborative engineering organization consolidating 838f62ca7bSPaul Beesley and optimizing open source software and tools for the Arm architecture. 848f62ca7bSPaul Beesley 858f62ca7bSPaul Beesley MMU 868f62ca7bSPaul Beesley Memory Management Unit 878f62ca7bSPaul Beesley 888f62ca7bSPaul Beesley MPAM 898f62ca7bSPaul Beesley Memory Partitioning And Monitoring. An optional Armv8.4 extension. 908f62ca7bSPaul Beesley 918f62ca7bSPaul Beesley MPIDR 928f62ca7bSPaul Beesley Multiprocessor Affinity Register 938f62ca7bSPaul Beesley 94ff2d38c2SPaul Beesley MTE 95ff2d38c2SPaul Beesley Memory Tagging Extension. An optional Armv8.5 extension that enables 96ff2d38c2SPaul Beesley hardware-assisted memory tagging. 97ff2d38c2SPaul Beesley 988f62ca7bSPaul Beesley OEN 998f62ca7bSPaul Beesley Owning Entity Number 1008f62ca7bSPaul Beesley 1018f62ca7bSPaul Beesley OP-TEE 1028f62ca7bSPaul Beesley Open Portable Trusted Execution Environment. An example of a :term:`TEE` 1038f62ca7bSPaul Beesley 1048f62ca7bSPaul Beesley OTE 1058f62ca7bSPaul Beesley Open-source Trusted Execution Environment 1068f62ca7bSPaul Beesley 1078f62ca7bSPaul Beesley PDD 1088f62ca7bSPaul Beesley Platform Design Document 1098f62ca7bSPaul Beesley 110ff2d38c2SPaul Beesley PAUTH 111ff2d38c2SPaul Beesley Pointer Authentication. An optional extension introduced in Armv8.3. 112ff2d38c2SPaul Beesley 1138f62ca7bSPaul Beesley PMF 1148f62ca7bSPaul Beesley Performance Measurement Framework 1158f62ca7bSPaul Beesley 116662af36dSJ-Alves PSA 117662af36dSJ-Alves Platform Security Architecture 118662af36dSJ-Alves 1198f62ca7bSPaul Beesley PSCI 1208f62ca7bSPaul Beesley Power State Coordination Interface 1218f62ca7bSPaul Beesley 1228f62ca7bSPaul Beesley RAS 1238f62ca7bSPaul Beesley Reliability, Availability, and Serviceability extensions. A mandatory 1248f62ca7bSPaul Beesley extension for the Armv8.2 architecture and later. An optional extension to 1258f62ca7bSPaul Beesley the base Armv8 architecture. 1268f62ca7bSPaul Beesley 1278f62ca7bSPaul Beesley ROT 1288f62ca7bSPaul Beesley Root of Trust 1298f62ca7bSPaul Beesley 1308f62ca7bSPaul Beesley SCMI 1318f62ca7bSPaul Beesley System Control and Management Interface 1328f62ca7bSPaul Beesley 1338f62ca7bSPaul Beesley SCP 1348f62ca7bSPaul Beesley System Control Processor 1358f62ca7bSPaul Beesley 1368f62ca7bSPaul Beesley SDEI 1378f62ca7bSPaul Beesley Software Delegated Exception Interface 1388f62ca7bSPaul Beesley 1398f62ca7bSPaul Beesley SDS 1408f62ca7bSPaul Beesley Shared Data Storage 1418f62ca7bSPaul Beesley 1428f62ca7bSPaul Beesley SEA 1438f62ca7bSPaul Beesley Synchronous External Abort 1448f62ca7bSPaul Beesley 1458f62ca7bSPaul Beesley SiP 1468f62ca7bSPaul Beesley SIP 1478f62ca7bSPaul Beesley Silicon Provider 1488f62ca7bSPaul Beesley 1498f62ca7bSPaul Beesley SMC 1508f62ca7bSPaul Beesley Secure Monitor Call 1518f62ca7bSPaul Beesley 1528f62ca7bSPaul Beesley SMCCC 1538f62ca7bSPaul Beesley :term:`SMC` Calling Convention 1548f62ca7bSPaul Beesley 1558f62ca7bSPaul Beesley SoC 1568f62ca7bSPaul Beesley System on Chip 1578f62ca7bSPaul Beesley 1588f62ca7bSPaul Beesley SP 1598f62ca7bSPaul Beesley Secure Partition 1608f62ca7bSPaul Beesley 1618f62ca7bSPaul Beesley SPD 1628f62ca7bSPaul Beesley Secure Payload Dispatcher 1638f62ca7bSPaul Beesley 1648f62ca7bSPaul Beesley SPM 1658f62ca7bSPaul Beesley Secure Partition Manager 1668f62ca7bSPaul Beesley 167ff2d38c2SPaul Beesley SSBS 168ff2d38c2SPaul Beesley Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration 169ff2d38c2SPaul Beesley bit can be set by software to allow or prevent the hardware from 170ff2d38c2SPaul Beesley performing speculative operations. 171ff2d38c2SPaul Beesley 1728f62ca7bSPaul Beesley SVE 1738f62ca7bSPaul Beesley Scalable Vector Extension 1748f62ca7bSPaul Beesley 1758f62ca7bSPaul Beesley TBB 1768f62ca7bSPaul Beesley Trusted Board Boot 1778f62ca7bSPaul Beesley 1788f62ca7bSPaul Beesley TBBR 1798f62ca7bSPaul Beesley Trusted Board Boot Requirements 1808f62ca7bSPaul Beesley 1818f62ca7bSPaul Beesley TEE 1828f62ca7bSPaul Beesley Trusted Execution Environment 1838f62ca7bSPaul Beesley 1848f62ca7bSPaul Beesley TF-A 1858f62ca7bSPaul Beesley Trusted Firmware-A 1868f62ca7bSPaul Beesley 1878f62ca7bSPaul Beesley TF-M 1888f62ca7bSPaul Beesley Trusted Firmware-M 1898f62ca7bSPaul Beesley 1908f62ca7bSPaul Beesley TLB 1918f62ca7bSPaul Beesley Translation Lookaside Buffer 1928f62ca7bSPaul Beesley 1938f62ca7bSPaul Beesley TLK 1948f62ca7bSPaul Beesley Trusted Little Kernel. A Trusted OS from NVIDIA. 1958f62ca7bSPaul Beesley 196*7dfb9911SJimmy Brisson TRNG 197*7dfb9911SJimmy Brisson True Randon Number Generator (hardware based) 198*7dfb9911SJimmy Brisson 1998f62ca7bSPaul Beesley TSP 2008f62ca7bSPaul Beesley Test Secure Payload 2018f62ca7bSPaul Beesley 2028f62ca7bSPaul Beesley TZC 2038f62ca7bSPaul Beesley TrustZone Controller 2048f62ca7bSPaul Beesley 205ff2d38c2SPaul Beesley UBSAN 206ff2d38c2SPaul Beesley Undefined Behavior Sanitizer 207ff2d38c2SPaul Beesley 2088f62ca7bSPaul Beesley UEFI 2098f62ca7bSPaul Beesley Unified Extensible Firmware Interface 2108f62ca7bSPaul Beesley 2118f62ca7bSPaul Beesley WDOG 2128f62ca7bSPaul Beesley Watchdog 2138f62ca7bSPaul Beesley 2148f62ca7bSPaul Beesley XLAT 2158f62ca7bSPaul Beesley Translation (abbr.). For example, "XLAT table". 2168f62ca7bSPaul Beesley 2178f62ca7bSPaul Beesley.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary 218