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 21ff2d38c2SPaul Beesley BTI 22ff2d38c2SPaul Beesley Branch Target Identification. An Armv8.5 extension providing additional 23ff2d38c2SPaul Beesley control flow integrity around indirect branches and their targets. 24ff2d38c2SPaul 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 39ff2d38c2SPaul Beesley DSU 40ff2d38c2SPaul Beesley DynamIQ Shared Unit 41ff2d38c2SPaul Beesley 428f62ca7bSPaul Beesley DT 438f62ca7bSPaul Beesley Device Tree 448f62ca7bSPaul Beesley 45326150b9SLouis Mayencourt DTB 46326150b9SLouis Mayencourt Device Tree Blob 47326150b9SLouis Mayencourt 488f62ca7bSPaul Beesley EL 498f62ca7bSPaul Beesley Exception Level 508f62ca7bSPaul Beesley 518f62ca7bSPaul Beesley EHF 528f62ca7bSPaul Beesley Exception Handling Framework 538f62ca7bSPaul Beesley 54326150b9SLouis Mayencourt FCONF 55326150b9SLouis Mayencourt Firmware Configuration Framework 56326150b9SLouis Mayencourt 578f62ca7bSPaul Beesley FDT 588f62ca7bSPaul Beesley Flattened Device Tree 598f62ca7bSPaul Beesley 60*662af36dSJ-Alves FFA 61*662af36dSJ-Alves Firmware Framework for A-class processors 62*662af36dSJ-Alves 638f62ca7bSPaul Beesley FIP 648f62ca7bSPaul Beesley Firmware Image Package 658f62ca7bSPaul Beesley 668f62ca7bSPaul Beesley FVP 678f62ca7bSPaul Beesley Fixed Virtual Platform 688f62ca7bSPaul Beesley 698f62ca7bSPaul Beesley FWU 708f62ca7bSPaul Beesley FirmWare Update 718f62ca7bSPaul Beesley 728f62ca7bSPaul Beesley GIC 738f62ca7bSPaul Beesley Generic Interrupt Controller 748f62ca7bSPaul Beesley 758f62ca7bSPaul Beesley ISA 768f62ca7bSPaul Beesley Instruction Set Architecture 778f62ca7bSPaul Beesley 788f62ca7bSPaul Beesley Linaro 798f62ca7bSPaul Beesley A collaborative engineering organization consolidating 808f62ca7bSPaul Beesley and optimizing open source software and tools for the Arm architecture. 818f62ca7bSPaul Beesley 828f62ca7bSPaul Beesley MMU 838f62ca7bSPaul Beesley Memory Management Unit 848f62ca7bSPaul Beesley 858f62ca7bSPaul Beesley MPAM 868f62ca7bSPaul Beesley Memory Partitioning And Monitoring. An optional Armv8.4 extension. 878f62ca7bSPaul Beesley 888f62ca7bSPaul Beesley MPIDR 898f62ca7bSPaul Beesley Multiprocessor Affinity Register 908f62ca7bSPaul Beesley 91ff2d38c2SPaul Beesley MTE 92ff2d38c2SPaul Beesley Memory Tagging Extension. An optional Armv8.5 extension that enables 93ff2d38c2SPaul Beesley hardware-assisted memory tagging. 94ff2d38c2SPaul Beesley 958f62ca7bSPaul Beesley OEN 968f62ca7bSPaul Beesley Owning Entity Number 978f62ca7bSPaul Beesley 988f62ca7bSPaul Beesley OP-TEE 998f62ca7bSPaul Beesley Open Portable Trusted Execution Environment. An example of a :term:`TEE` 1008f62ca7bSPaul Beesley 1018f62ca7bSPaul Beesley OTE 1028f62ca7bSPaul Beesley Open-source Trusted Execution Environment 1038f62ca7bSPaul Beesley 1048f62ca7bSPaul Beesley PDD 1058f62ca7bSPaul Beesley Platform Design Document 1068f62ca7bSPaul Beesley 107ff2d38c2SPaul Beesley PAUTH 108ff2d38c2SPaul Beesley Pointer Authentication. An optional extension introduced in Armv8.3. 109ff2d38c2SPaul Beesley 1108f62ca7bSPaul Beesley PMF 1118f62ca7bSPaul Beesley Performance Measurement Framework 1128f62ca7bSPaul Beesley 113*662af36dSJ-Alves PSA 114*662af36dSJ-Alves Platform Security Architecture 115*662af36dSJ-Alves 1168f62ca7bSPaul Beesley PSCI 1178f62ca7bSPaul Beesley Power State Coordination Interface 1188f62ca7bSPaul Beesley 1198f62ca7bSPaul Beesley RAS 1208f62ca7bSPaul Beesley Reliability, Availability, and Serviceability extensions. A mandatory 1218f62ca7bSPaul Beesley extension for the Armv8.2 architecture and later. An optional extension to 1228f62ca7bSPaul Beesley the base Armv8 architecture. 1238f62ca7bSPaul Beesley 1248f62ca7bSPaul Beesley ROT 1258f62ca7bSPaul Beesley Root of Trust 1268f62ca7bSPaul Beesley 1278f62ca7bSPaul Beesley SCMI 1288f62ca7bSPaul Beesley System Control and Management Interface 1298f62ca7bSPaul Beesley 1308f62ca7bSPaul Beesley SCP 1318f62ca7bSPaul Beesley System Control Processor 1328f62ca7bSPaul Beesley 1338f62ca7bSPaul Beesley SDEI 1348f62ca7bSPaul Beesley Software Delegated Exception Interface 1358f62ca7bSPaul Beesley 1368f62ca7bSPaul Beesley SDS 1378f62ca7bSPaul Beesley Shared Data Storage 1388f62ca7bSPaul Beesley 1398f62ca7bSPaul Beesley SEA 1408f62ca7bSPaul Beesley Synchronous External Abort 1418f62ca7bSPaul Beesley 1428f62ca7bSPaul Beesley SiP 1438f62ca7bSPaul Beesley SIP 1448f62ca7bSPaul Beesley Silicon Provider 1458f62ca7bSPaul Beesley 1468f62ca7bSPaul Beesley SMC 1478f62ca7bSPaul Beesley Secure Monitor Call 1488f62ca7bSPaul Beesley 1498f62ca7bSPaul Beesley SMCCC 1508f62ca7bSPaul Beesley :term:`SMC` Calling Convention 1518f62ca7bSPaul Beesley 1528f62ca7bSPaul Beesley SoC 1538f62ca7bSPaul Beesley System on Chip 1548f62ca7bSPaul Beesley 1558f62ca7bSPaul Beesley SP 1568f62ca7bSPaul Beesley Secure Partition 1578f62ca7bSPaul Beesley 1588f62ca7bSPaul Beesley SPD 1598f62ca7bSPaul Beesley Secure Payload Dispatcher 1608f62ca7bSPaul Beesley 1618f62ca7bSPaul Beesley SPM 1628f62ca7bSPaul Beesley Secure Partition Manager 1638f62ca7bSPaul Beesley 164ff2d38c2SPaul Beesley SSBS 165ff2d38c2SPaul Beesley Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration 166ff2d38c2SPaul Beesley bit can be set by software to allow or prevent the hardware from 167ff2d38c2SPaul Beesley performing speculative operations. 168ff2d38c2SPaul Beesley 1698f62ca7bSPaul Beesley SVE 1708f62ca7bSPaul Beesley Scalable Vector Extension 1718f62ca7bSPaul Beesley 1728f62ca7bSPaul Beesley TBB 1738f62ca7bSPaul Beesley Trusted Board Boot 1748f62ca7bSPaul Beesley 1758f62ca7bSPaul Beesley TBBR 1768f62ca7bSPaul Beesley Trusted Board Boot Requirements 1778f62ca7bSPaul Beesley 1788f62ca7bSPaul Beesley TEE 1798f62ca7bSPaul Beesley Trusted Execution Environment 1808f62ca7bSPaul Beesley 1818f62ca7bSPaul Beesley TF-A 1828f62ca7bSPaul Beesley Trusted Firmware-A 1838f62ca7bSPaul Beesley 1848f62ca7bSPaul Beesley TF-M 1858f62ca7bSPaul Beesley Trusted Firmware-M 1868f62ca7bSPaul Beesley 1878f62ca7bSPaul Beesley TLB 1888f62ca7bSPaul Beesley Translation Lookaside Buffer 1898f62ca7bSPaul Beesley 1908f62ca7bSPaul Beesley TLK 1918f62ca7bSPaul Beesley Trusted Little Kernel. A Trusted OS from NVIDIA. 1928f62ca7bSPaul Beesley 1938f62ca7bSPaul Beesley TSP 1948f62ca7bSPaul Beesley Test Secure Payload 1958f62ca7bSPaul Beesley 1968f62ca7bSPaul Beesley TZC 1978f62ca7bSPaul Beesley TrustZone Controller 1988f62ca7bSPaul Beesley 199ff2d38c2SPaul Beesley UBSAN 200ff2d38c2SPaul Beesley Undefined Behavior Sanitizer 201ff2d38c2SPaul Beesley 2028f62ca7bSPaul Beesley UEFI 2038f62ca7bSPaul Beesley Unified Extensible Firmware Interface 2048f62ca7bSPaul Beesley 2058f62ca7bSPaul Beesley WDOG 2068f62ca7bSPaul Beesley Watchdog 2078f62ca7bSPaul Beesley 2088f62ca7bSPaul Beesley XLAT 2098f62ca7bSPaul Beesley Translation (abbr.). For example, "XLAT table". 2108f62ca7bSPaul Beesley 2118f62ca7bSPaul Beesley.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary 212