glossary.rst

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TF-M glossary of terms and abbreviations
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TF-M related
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.. glossary::
    
    TF-M
    TFM
    Trusted Firmware for M-class
        ARM TF-M provides a reference implementation of secure world software for ARMv8-M.
    
    SPE : TF-M related
    Secure Processing Environment
        PSA term. In TF-M this means the secure domain protected by TF-M
    
    NSPE : TF-M related
    Non Secure Processing Enviroment
        PSA term. In TF-M this means non secure domain typically running an OS using services provided by TF-M
    
    SS : TF-M related
    Secure Service
        A component within the TEE that is atomic from a security/trust point of view, i.e. which is viewed as a single entity from a TF-M point of view
    
    SP : TF-M related
    Secure Partition
        A logical container for a single secure service
    
    SPM : TF-M related
    Secure Partition Manager
        The TF-M component responsible for enumeration, management and isolation of multiple Secure Partitions within the TEE
    
    SFN : TF-M related
    Secure Function
        An entry function to a secure service. Multiple SFN per SS are permitted
    
    SST : TF-M related
    Secure Storage Service
        Secure storage service provided by TF-M

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SSE-200 platform
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.. glossary::
    
    MPC : SSE-200 platform
    Memory Protection Controller
        Bus slave-side security controller for memory regions
    
    PPC : SSE-200 platform
    Peripheral Protection Controller
        Bus slave-side security controller for peripheral access

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v8M-specific
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.. glossary::
    
   SSE-200 platform
   Secure/Non-secure
        The separation provided by TrustZone hardware components in the system
    
    SAU
    Secure Attribution Unit
        Hardware component providing isolation between Secure, Non-secure Callable and Non-secure addresses


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M-class Generic
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.. glossary::
    
    APCS
    ARM Architecture Procedure Call Standard
        The AAPCS defines how subroutines can be separately written, separately compiled, and separately assembled to work together. It describes a contract between a calling routine and a called routine
    
    SVC
    SuperVisor Call
        ARMv7M assembly instruction to call a privileged handler function
    
    MPU
    Memory Protection Unit
        Hardware component providing privilege control

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