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- Trusty Dispatcher
- =================
- Trusty is a a set of software components, supporting a Trusted Execution
- Environment (TEE) on mobile devices, published and maintained by Google.
- Detailed information and build instructions can be found on the Android
- Open Source Project (AOSP) webpage for Trusty hosted at
- https://source.android.com/security/trusty
- Boot parameters
- ---------------
- Custom boot parameters can be passed to Trusty by providing a platform
- specific function:
- .. code:: c
- void plat_trusty_set_boot_args(aapcs64_params_t *args)
- If this function is provided ``args->arg0`` must be set to the memory
- size allocated to trusty. If the platform does not provide this
- function, but defines ``TSP_SEC_MEM_SIZE``, a default implementation
- will pass the memory size from ``TSP_SEC_MEM_SIZE``. ``args->arg1``
- can be set to a platform specific parameter block, and ``args->arg2``
- should then be set to the size of that block.
- Supported platforms
- -------------------
- Out of all the platforms supported by Trusted Firmware-A, Trusty is only
- verified and supported by NVIDIA's Tegra SoCs.
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