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diff --git a/docs/glossary.rst b/docs/glossary.rst new file mode 100644 index 0000000..e6b0239 --- /dev/null +++ b/docs/glossary.rst @@ -0,0 +1,243 @@ +Glossary +======== + +This glossary provides definitions for terms and abbreviations used in the TF-A +documentation. + +You can find additional definitions in the `Arm Glossary`_. + +.. glossary:: + :sorted: + + AArch32 + 32-bit execution state of the ARMv8 ISA + + AArch64 + 64-bit execution state of the ARMv8 ISA + + AMU + Activity Monitor Unit, a hardware monitoring unit introduced by FEAT_AMUv1 + that exposes CPU core runtime metrics as a set of counter registers. + + API + Application Programming Interface + + AT + Address Translation + + BTI + Branch Target Identification. An Armv8.5 extension providing additional + control flow integrity around indirect branches and their targets. + + CoT + COT + Chain of Trust + + CSS + Compute Sub-System + + CVE + Common Vulnerabilities and Exposures. A CVE document is commonly used to + describe a publicly-known security vulnerability. + + DCE + DRTM Configuration Environment + + D-CRTM + Dynamic Code Root of Trust for Measurement + + DLME + Dynamically Launched Measured Environment + + DRTM + Dynamic Root of Trust for Measurement + + DS-5 + Arm Development Studio 5 + + DSU + DynamIQ Shared Unit + + DT + Device Tree + + DTB + Device Tree Blob + + EL + Exception Level + + EHF + Exception Handling Framework + + FCONF + Firmware Configuration Framework + + FDT + Flattened Device Tree + + FF-A + Firmware Framework for Arm A-profile + + FIP + Firmware Image Package + + FVP + Fixed Virtual Platform + + FWU + FirmWare Update + + GIC + Generic Interrupt Controller + + ISA + Instruction Set Architecture + + Linaro + A collaborative engineering organization consolidating + and optimizing open source software and tools for the Arm architecture. + + LSP + A logical secure partition managed by SPM + + MMU + Memory Management Unit + + MPAM + Memory Partitioning And Monitoring. An optional Armv8.4 extension. + + MPMM + Maximum Power Mitigation Mechanism, an optional power management mechanism + supported by some Arm Armv9-A cores. + + MPIDR + Multiprocessor Affinity Register + + MTE + Memory Tagging Extension. An optional Armv8.5 extension that enables + hardware-assisted memory tagging. + + OEN + Owning Entity Number + + OP-TEE + Open Portable Trusted Execution Environment. An example of a :term:`TEE` + + OTE + Open-source Trusted Execution Environment + + PDD + Platform Design Document + + PAUTH + Pointer Authentication. An optional extension introduced in Armv8.3. + + PMF + Performance Measurement Framework + + PSA + Platform Security Architecture + + PSCI + Power State Coordination Interface + + RAS + Reliability, Availability, and Serviceability extensions. A mandatory + extension for the Armv8.2 architecture and later. An optional extension to + the base Armv8 architecture. + + ROT + Root of Trust + + SCMI + System Control and Management Interface + + SCP + System Control Processor + + SDEI + Software Delegated Exception Interface + + SDS + Shared Data Storage + + SEA + Synchronous External Abort + + SiP + SIP + Silicon Provider + + SMC + Secure Monitor Call + + SMCCC + :term:`SMC` Calling Convention + + SoC + System on Chip + + SP + Secure Partition + + SPD + Secure Payload Dispatcher + + SPM + Secure Partition Manager + + SSBS + Speculative Store Bypass Safe. Introduced in Armv8.5, this configuration + bit can be set by software to allow or prevent the hardware from + performing speculative operations. + + SVE + Scalable Vector Extension + + TBB + Trusted Board Boot + + TBBR + Trusted Board Boot Requirements + + TCB + Trusted Compute Base + + TEE + Trusted Execution Environment + + TF-A + Trusted Firmware-A + + TF-M + Trusted Firmware-M + + TLB + Translation Lookaside Buffer + + TLK + Trusted Little Kernel. A Trusted OS from NVIDIA. + + TRNG + True Randon Number Generator (hardware based) + + TSP + Test Secure Payload + + TZC + TrustZone Controller + + UBSAN + Undefined Behavior Sanitizer + + UEFI + Unified Extensible Firmware Interface + + WDOG + Watchdog + + XLAT + Translation (abbr.). For example, "XLAT table". + +.. _`Arm Glossary`: https://developer.arm.com/support/arm-glossary |