docs/getting_started/build-options.rst

72    FIP. Automatically enabled if ``SP_LAYOUT_FILE`` is provided.
115    If enabled, it is needed to use a compiler that supports the option
147    Note that Pointer Authentication is enabled for Non-secure world
172 -  ``COT``: When Trusted Boot is enabled, selects the desired chain of trust.
178    this is only enabled for a debug build of the firmware.
207    switch. Automatically enabled when ``BRANCH_PROTECTION`` is enabled. This flag
211    Note that Pointer Authentication is enabled for Non-secure world irrespective
213    ``BRANCH_PROTECTION`` is enabled, this flag is superseded.
217    that this build option requires ``ENABLE_SVE_FOR_SWD`` to be enabled. In
241    Board Boot authentication at runtime. This option is meant to be enabled only
243    flag has to be enabled. 0 is the default.
255    use the non-EARLY traces macros if the flag is enabled, or do nothing
283    generate A32 code. This option is enabled by default only in AArch64 debug
335    ``FEAT_DIT`` is a mandatory  architectural feature and is enabled from v8.4
342    Its a mandatory architectural feature and is enabled from v8.6 and upwards.
355    Its a mandatory architectural feature and is enabled from v8.6 and upwards.
386    mandatory architectural feature and is enabled from v8.7 and upwards. This
414    if the platform wants to use this feature and MTE2 is enabled at ELX.
422    mandatory architectural feature and is enabled from v8.1 and upwards. This
428    onwards. This feature requires PAUTH to be enabled via the
446    later CPUs. It is enabled from v8.5 and upwards and if needed can be
465    architectural feature and is enabled from v8.1 and upwards. It can take
472    mandatory architectural feature and is enabled from v8.9 and upwards. This
544    GCC >= 14 is in use. ``ENABLE_LTO`` is enabled by default on release builds.
558    defaults to ``2`` since MPAM is enabled by default for NS world only.
599    be enabled. If ``ENABLE_PMF`` is set, the residency statistics are tracked in
618    systems that have SPM_MM enabled. The default value is 2.
620    Note that when SVE is enabled for the Non-secure world, access
633       This build flag requires ``ENABLE_SVE_FOR_NS`` to be enabled. When enabling
647    they should be explicitly enabled depending on each platform's needs. Not
677    ``TRUSTED_BOARD_BOOT`` to be enabled.
759    This option defaults to 0 and if it is enabled, then it implies
760    ``WARMBOOT_ENABLE_DCACHE_EARLY`` is also enabled.
770    Note that, when ``HW_ASSISTED_COHERENCY`` is enabled, version 2 of
837    feature. This flag can be enabled with ``TRUSTED_BOARD_BOOT`` in order to
922 -  ``PRESERVE_DSU_PMU_REGS``: This options when enabled allows the platform to
943    enabled on Arm platforms, the option ``ARM_RECOM_STATE_ID_ENC`` needs to be
1034    from the main FIP image. When this option is enabled, the BL2 FIP image is built
1052    services/std_svc/spmd and enabled by ``SPD=spmd``. The SPM Dispatcher
1053    cannot be enabled when the ``SPM_MM`` option is enabled.
1062    Dispatcher option (``SPD=spmd``). When enabled (1) it indicates the SPMC
1068    ``SPMC_AT_EL3`` is enabled. The default value if ``0`` (disabled). This
1069    option cannot be enabled (``1``) when (``SPMC_AT_EL3``) is disabled.
1077    Dispatcher option (``SPD=spmd``). When enabled (1) it indicates the SPMC
1081    state or at EL3 if ``SPMC_AT_EL3`` is enabled. The latter configurations
1087    (disabled). This option cannot be enabled (``1``) when SPM Dispatcher is
1088    enabled (``SPD=spmd``).
1097    this directive if they need to handle such interruption. When enabled,
1121       This option depends on ``CREATE_KEYS`` to be enabled. If the keys
1151    WFE instruction. ``ENABLE_FEAT_TWED`` build option must be enabled to set
1158    this flag is enabled automatically. To enable support for armlink, platforms
1168 -  ``USE_KERNEL_DT_CONVENTION``: When this option is enabled, the hardware
1186    at runtime using fconf. If this flag is enabled, COT descriptors are
1196    SDEI_SUPPORT build flag is enabled.
1240     Enables warnings we want the generic build to include but cannot be enabled
1260    cluster platforms). If this option is enabled, then warm boot path
1290       This option is enabled by build only if platform sets any of above defines
1292       If this option is enabled for the EL3 software then EL2 software also must
1364   This option should only be enabled on a need basis if there is a use case for
1373  - ``0``: generic GIC driver not enabled. Any support is entirely in platform
1495    backend when ``MEASURED_BOOT`` is enabled. The default value is ``0``. When
1527    registers so are enabled together. Using this option without
1549    Dispatcher option (``SPD=spmd``). When enabled (1) it indicates support
1552    must not be used if ``SPMC_AT_EL3`` is enabled.
1556    architectural features enabled through the feature specific build flags
1616 - ``PSA_FWU_METADATA_FW_STORE_DESC``: To be enabled when the FWU