Optee architecture. Branch Target Identification (BTI) is an ARMv8.

• Optee architecture The OS and client have a BSD 2-clause license and are Global Platform compliant. I am confused with the terms and software packages related to ARM-A profile embedded systems. User mode TAs are full featured Trusted Applications as specified by the :ref:`globalplatform_api` TEE specifications, these are simply the ones people are Optee_os does not implement any thread scheduling. 1. Core; Crypto; Device Tree qemu optee boot architecture: In qemu aarch64 platform, system will load & boot trust os before Nonsecure world os start. About OP-TEE; Coding standards; Contribute; Contact; License headers File structure¶. 177 mainline - 5. You signed out in another tab or window. impl-id Introduction. bin must be signed before it is packaged in tispl. 17. Since then it has been a popular Build using GNU Make . bin. Core; Crypto; Device Tree $ sudo dpkg --add-architecture i386 $ sudo apt-get updat When I try to enable installation of i386 architecture packages and update the package managers database a bunch of errors are displayed. Supported boards; At this point we have a working directory ~/optee-project with all the repositories required with the exception of the Versal ACAP board support package. Implementing VM contexts in OP-TEE Obvious approach Obvious approach is to implement some sort of \virtual machine context": struct vm_context File structure . Open source tools like this are important in taking This git contains the official documentation for the OP-TEE project - OP-TEE/optee_docs This section gives a brief description on how to enable the verification of OP-TEE using the authentication framework in Trusted Firmware A (TF-A), i. Branch Target Identification (BTI) is an ARMv8. The SPMC will expose the OP-TEE core, privileged mode, as an secure endpoint itself. BOOT analyze. Subkeys can be delegated to allow different actors to sign different TAs without sharing a private key. How we are dealing with AES-GCM in core/crypto could serve as an example. Code. c. File metadata and controls. 0 (GPD_SPE Hi @geneva1,. Is there any possible way to do different architecture porting for riscv unlike the current Arm one, to make it possible to save and restore TEE context in M-mode without consider current executing core, maybe this need help from the optee architecture designer's help, could maintainer @jforissier give us some suggestion? Thank you The release is a minor version update with full backward compatibility. There are two more tables covering the lib/ and ta/ trees. https://optee. When OP-TEE-capable VM is being destroyed, hypervisor should stop all VCPUs (this will ensure that OP-TEE have no active This section describes how optee_os handles switches of world execution context based on SMC exceptions and interrupt notifications. It is described in this document and is the default implementation. Customers should optimize the security configuration in OP-TEE OS to lock and secure end products according to their specific security requirements. It should not be needed. The first one relies on the normal world (REE) file system. The second one makes use of the Replay Protected Memory Block (RPMB) partition of an eMMC device, and is enabled by setting CFG_RPMB_FS=y. 139 lines (101 loc) · 5. OP-TEE OS source tree provides support of the Mbed TLS library, named libmbedtls. Armv7-A systems . GlobalPlatform API Introduction . One can also have a look at the examples in the optee_examples git. TA Mandatory files; TA Makefile Basics; Android Build Environment; TA Mandatory Entry Points; TA Properties; Checking TA parameters; Signing of TAs; StandAloneMM. It's a full environment including an operating system, OP-TEE documentation latest Getting started; Architecture. It provides a reference implementation of secure world software for Armv7-A and Armv8-A class processors. Then, it fails on UEFI. HMAC based One Time Password in OP-TEE. Code; Issues 29; Pull requests 20; Actions; Projects 0; Wiki; Security; Secure Monitor in ARMv8 architecture #3907. OP-TEE will use FF-A for it transport layer when the OP-TEE CFG_CORE_FFA=y configuration flag is enabled. The TEE Internal Core API describes services that are provided to Trusted Applications. Could anyone explain the OP-TEE / optee_os Public. Interrupt notifications are IRQ/FIQ exceptions which may also imply switching of world execution context: normal world to secure world, or secure world to normal world. We are also looking into the possibility of creating optee_client; optee_docs; optee_examples; optee_os; optee_test; Toolchains. Libraries libutils . Core; Crypto; Device Tree Optee_os does not implement any thread scheduling. The description is dived into different tables. For details about registers etc, please Optee_os does not implement any thread scheduling. Currently, in OP-TEE OS we only have a per-device key, SSK, which is used for secure storage subsystem, but, for the future we might need to create different per-device keys for different subsystems using the same algorithm as we generate the SSK; An easy way to Trusted Applications . Currently, in OP-TEE OS we only have a per-device key, SSK, which is used for secure storage subsystem, but, for the future we might need to create different per-device keys for different subsystems using the same algorithm as we generate the SSK; An easy way to Over the last few years, further new specifications have been brought out for the TEE and GP has defined its concepts of Root of Trust. 6k. For details about registers etc, please I OPTEE_SMC_VM_DESTROYED(VMID) Hypervisor informs OP-TEE about VM creation or destruction by issuing above SMCs. That shows you which options. The best place to find information how this should be done is in the TEE Internal Core API Specification v1. optee_docs This is the Git where all official OP-TEE documentation resides and this is what you are reading right now. Implementing VM contexts in OP-TEE Scope of this section architecture. This page describes organization of the tree structure in optee_os. Our approach is similar to this PR. Architecture; Edit on GitHub; Architecture OP-TEE Documentation . , something that could be used in an Armv8-A environment. CONFIG_OPTEE -optee. There are At boot optee_os will parse the SP package load addresses from the SPMC manifest and find the SP packages already loaded by BL2. Architecture; Edit on GitHub; Architecture Open Portable Trusted Execution Environment (OP-TEE) is an open-source trusted execution environment (TEE) based on Arm® TrustZone® technology, created by trustedfirmware. Relation between OP-TEE and ATF. ARM processors had this TrustZone capability for a long time, given that not all processors today follow the standards OP-TEE was started. But below is how you for example would build for QEMU running Armv7-A (AArch32), with debugging enabled and the benchmark framework disabled and will put all built files in a folder name out/arm in the root of the git. The structure of OP-TEE is shown in the following The platform conf. The functions to get Hardware Unique Key (HUK) and chip ID depends on the platform implementation. ; Avoid modifying tee_svc_cryp. Google Widevine device-tree bindings; Previous Next libutee¶. About OP-TEE; Coding standards; Contribute; Contact; License headers OP-TEE gits¶. For instance, in the case of vaultboot, only one CPU core remains operational This document will introduce OP-TEE architecture, OP-TEE OS loading and initialization, TA and CA communication in OPTEE runtime workflow, how to develop OP-TEE Trusted Application in LSDK environment. About OP-TEE; Coding standards; Contribute; Contact; License headers OP-TEE Documentation¶. OPTEE_SMC_CALL_GET_OS_UUID returns the particular OP-TEE implementation, used to tell, for instance, a TrustZone OP-TEE apart from an OP-TEE running on a separate secure co-processor. Calling the Internal Core API is done in the same way as described above using Client API. yaml# title: Google Widevine This page describes what different folders in optee_os contains. Architecture; Build and run. EDK2 Build When new OP-TEE-capable VM is created, hypervisor should inform OP-TEE about it with SMC OPTEE_SMC_VM_CREATED. 6(release):4fa405dbd NOTICE: BL31: Built : 20:16:55, Aug 10 2022 I/TC: I/TC: Non-secure external DT found I/TC: OP-TEE version: 3. For details about registers etc, please refer to a Technical Reference Manual for your architecture, for example Cortex-A53 TRM. Since the OS offers so many myriad functionalities and services, there has to be a well-defined way for requesting and consuming these functionalities and services. 12. 22. Reload to refresh your session. If such device tree data are to be accessed by the non-secure world, they shall be located in non-secure memory. View the Guide. org. This git contains the official documentation for the OP-TEE project - OP-TEE/optee_docs You signed in with another tab or window. For details about registers etc, please optee_benchmark; optee_client; optee_docs; optee_examples; optee_os; optee_test; Toolchains. ; When OP-TEE-capable VM is being destroyed, hypervisor should stop all VCPUs (this will ensure that OP-TEE have no active %YAML 1. 127 mainline - 6. Here we will give instructions on how to write and build the documentation as well as give some guidelines on what to do and not to do. The tool just assumes I'm on 64-bit Linux under x86 arch. Core; Crypto; Device Tree Hello. rst at master · OP-TEE/optee_docs Prerequisites . Magic number and architecture are OP-TEE documentation 3. You got passed the pthread. h. There are two ways to implement Trusted Applications (TAs), Pseudo TAs and user mode TAs. Unlike for Armv8-A systems where one can use a more standardized way of doing secure boot by leverage the authentication framework as described above, most device manufacturers have their own way of doing secure boot. The overall framework of OP-TEE combines with two major components: optee_os, which is the trusted side of the TEE (the secure world), and GlobalPlatform works across industries to identify, develop and publish specifications which facilitate the secure and interoperable deployment and management of multiple embedded applications on secure chip technology. 289 mainline - 5. rst. It is enabled at compile time by CFG_REE_FS=y. There are two more tables covering the lib/ OP-TEE documentation 3. The FF-A message is passed to the thread and it will call the sp_msg_handler() function. OP-TEE is short for Open Portable Trusted Execution Environment, an open source-TEE solution originally based on Arm* TrustZone* technology. (though target devs for this project should be able to figure out the cause quickly, so this is low priority issue) In the OPTEE-OS section above, we saw that one of the key requirements is to have inter-operability of the implementation. 7; asked Nov 9, 2023 at 21:52. 0 (GPD_SPE_007) plus Errata and Precisions 3. OP-TEE documentation 4. Core. The translation tables Platform documentation . There really should only be one. 4. OP-TEE is a Trusted Execution Environment (TEE) designed as a companion to a non-secure Linux kernel running on Arm Cortex-A cores using the TrustZone technology. ht OP-TEE Documentation . 4 KB. Core; Crypto; Device Tree OP-TEE Documentation¶. Architecture and platform specific files /include: Header files of resources exported by the core /lib: Generic libraries that are likely to be replaced in a final product /mm: Generic memory management, currently empty Secure Partitions (SPs) are the endpoints used in the FF-A protocol. h and now the issue is with dirent. The overall framework of OP-TEE combines with two major components: optee_os, which is the trusted side of the TEE (the secure world), and optee_client, which is Architecture; Build and run; Debugging techniques; Frequently Asked Questions. AMD-Xilinx Versal ACAP VCK190. Testing of the release has been performed by the committers and can be found here Test plan for this release using the OP-TEE are here test suite. 211 lines (190 loc) · 10. Thanks in advance. Top level directories OP-TEE documentation latest Getting started; Architecture. This is official documentation for the OP-TEE project. Although not all crypto families need to be defined, all are required for compliance to the GlobalPlatform This section describes how optee_os handles switches of world execution context based on SMC exceptions and interrupt notifications. In total 100 pull requests merged, or 188 new commits, in total counting the optee_os, optee_client, optee_test, and build gits. Whenever the SPMC The target architecture, platform and build directory may be selected by setting environment or make variables The optee_os repository contains branches with the import/ prefix, which we call import branches below. These are the gits considered as the main OP-TEE gits which together makes up the entire TEE solution. Each trusted thread is expected to track a service that is invoked from the normal world and should return to it with an execution status. 13 [click here for custom version] architecture: x86 arm arm64 powerpc mips sparc ia64 arc riscv nds32 m68k microblaze alpha unicore32 The challenges are briefly discussed and a solution to this called OPTEE is introduced. Interrupt notifications are IRQ/FIQ exceptions which may also imply switching of world execution Now update optee-client binary and libraries on your SD card with the generated ones in out/export/usr folder. The overall framework of OP-TEE combines with two major components: optee_os, which is the trusted side of the TEE (the secure world), and optee_client, which is Optee_os does not implement any thread scheduling. 1. Trusted Applications do execute in non-privileged secure userspace and libutee also aims at being executed in the non-privileged secure userspace. readthedocs. For details about registers etc, please When new OP-TEE-capable VM is created, hypervisor should inform OP-TEE about it with SMC OPTEE_SMC_VM_CREATED. This TEE Architecture document revision brings the related architectural and conceptual additions and clarifications into one place, enabling third parties to gain a quick overview of the possibilities when using a TEE. 233 mainline - 6. User mode TAs are full featured Trusted Applications as specified by the GlobalPlatform API TEE specifications, these are simply the ones people are referring to when they are saying “Trusted Applications” and in most cases this is the preferred type of TA to Saved searches Use saved searches to filter your results more quickly Optee_os does not implement any thread scheduling. MX8MQ solution: Android 9 uses OPTEE, while Android 12 uses Trusty. org/meta-schemas/core. rst at master · OP-TEE/optee_docs Open Portable Trusted Execution Environment (OP-TEE) is an open-source trusted execution environment (TEE) based on Arm® TrustZone® technology, created by trustedfirmware. Put all the new code in its own directory under core/lib unless it is code that will be used regardless of which crypto provider is in use. 6. MX platforms. Notifications You must be signed in to change notification settings; Fork 1. This section describes their purpose and how they are used. Core; Crypto; Device Tree The functions to get Hardware Unique Key (HUK) and chip ID depends on the platform implementation. Optee_os does not implement any thread scheduling. 0 it used to be spread across all different OP-TEE gits making up the OP-TEE project as well as optee. Device specific information . But during assembly it complains about errors. As a TEE solution, OP-TEE is designed as a companion to a non-secure Linux*-flavor GlobalPlatform works across industries to identify, develop and publish specifications which facilitate the secure and interoperable deployment and management of multiple embedded OP-TEE* for Intel® Architecture is the hardware virtualization-based OP-TEE solution for x86 systems from Intel. It allows the development and integration of services and applications running on Cortex-A trusted execution environment (also called Using OP-TEE OS upstream releases instead of NXP OPTEE-OS releases may have an impact on the features supported and the security level of the i. NOTICE: BL31: v2. For other items and more detailed information, please refer to the specification Arm's Platform Security Architecture (PSA) Attestation Token. 16. Building u-boot with OP-TEE OS. . io Download the code op-tee; rockchip; Ivan Baranov. 8 KB. In our tests, we found that an RPMB key written under the "Android 9 + OPTEE" architecture fails verification when used under the "Android 12 + Trusty" architecture. When OP-TEE-capable VM is being destroyed, hypervisor should stop all VCPUs (this will ensure that OP-TEE have no active At boot optee_os will parse the SP package load addresses from the SPMC manifest and find the SP packages already loaded by BL2. When new OP-TEE-capable VM is created, hypervisor should inform OP-TEE about it with SMC OPTEE_SMC_VM_CREATED. mk file should at least define the default platform flavor for the platform, the core configurations (architecture and number of cores), the main configuration directives (generic boot, arm trusted firmware support, generic time source, console driver, etc) and some platform default configuration settings. 14. Shouldn't there at least be a check to confirm that? Running on i686 kernel causes a message about bad executable format when make tries to execute the tools. About OP-TEE; Coding standards; Contribute; Contact; License headers optee_docs / architecture / subkeys. ko- This implements the OP-TEE Trusted Execution Environment (TEE) driver kernelversion: stable - 6. Architecture; Edit on GitHub; Architecture Hello, I see code based on RISC-V architecture is being added. 08)) #2 Thu Aug 11 03:23:19 UTC 2022 aarch64 I/TC: WARNING: This OP-TEE Architecture¶. Iterating through the SP packages, based on the SP package header in each package it will map optee_docs / architecture / device_tree. The release has been tagged at 4. org/schemas/options/op-tee/google,widevine. OP-TEE Remote Attestation. GlobalPlatform works across industries to identify, develop and publish specifications which facilitate the secure and interoperable deployment and management of multiple embedded applications on secure chip technology. 9. Overview. optee_os; optee_client; optee_test; build; manifest; More details can be found here. 2---$id: http://devicetree. User mode TAs are full featured Trusted Applications as specified by the GlobalPlatform API TEE specifications, these . 0 using the OP-TEE Open Portable Trusted Execution Environment (OP-TEE) is an open-source trusted execution environment (TEE) based on Arm® TrustZone® technology, created by trustedfirmware. org, and maintained by Linaro. Although not all crypto families need to be defined, all are required for compliance to the GlobalPlatform You signed in with another tab or window. Preview. First the flat top directory followed by the core/ directory tree with the core/arch/arm/ tree in separate table. It is described in RPMB Secure Storage. User mode TAs are full featured Trusted Applications as specified by the GlobalPlatform API TEE specifications, these OPTEE_SMC_FUNCID_CALLS_UID (part of SMCCC) returns the version information which is then returned by TEE_IOC_VERSION. If building for an HS device, tee-pager_v2. Subkeys . I wonder if we can partici Optee_os does not implement any thread scheduling. For details about registers etc, please Setting up the toolchain paths. 1k views. Architecture, applications and related techniques are presented. It has a fully compatible design and maximum reuse of OP-TEE. Subkeys. OP-TEE implements OP-TEE provides a fully featured Trusted Execution Environment, and you can find a detailed description on the OP-TEE project website. The normal world is the non-secure environment in which the operating system and OP-TEE documentation. 0 we have gathered all Hello, Trying to boot the Jetson AGX Orin, it passes MB1 and MB2. TEE logger architecture #4230. It is described in this document and is the default OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. The overall framework of OP-TEE combines with two major components: optee_os, which is the trusted side of the TEE (the secure world), and At boot optee_os will parse the SP package load addresses from the SPMC manifest and find the SP packages already loaded by BL2. Currently, in OP-TEE OS we only have a per-device key, SSK, which is used for secure storage subsystem, but, for the future we might need to create different per-device keys for different subsystems using the same algorithm as we generate the SSK; An easy way to OP-TEE gits . libutee is a static library the Trusted Applications shall statically link against. The second one makes use of the Replay Protected I don’t know if optee has been successfully started, and I’m not sure where the program has been executed now. 74 mainline - 5. Iterating through the SP packages, based on the SP package header in each package it will map the SP executable image and the corresponding manifest DT and collect these to the fip_sp_list list. You switched accounts on another tab or window. Abbreviations; Architecture. Note however that Trusted Applications implemented in C should use GP TEE Internal Core When a FFA_MSG_SEND_DIRECT_REQ message is received by the SPMC from the Normal World, a new thread is started. a1 parameter should contain VM id. Before OP-TEE v3. The text was updated successfully, but these errors were encountered: Above steps have been tested on FVP platform, all verification steps are OK and xtest runs successfully without regression. With bitbake build, the firmwares work well with STM32MP135F-DK. Core; Crypto; Device Tree Arm Security Extensions Branch Target Identification . About OP-TEE; Coding standards; Contribute; Contact; License headers There are currently two secure storage implementations in OP-TEE: The first one relies on the normal world (REE) file system. 4 votes. The majority of 3. This is the official location for OP-TEE documentation. When Mbed TLS is embedded in OP-TEE core, it is used as the default software implementation for Open Portable Trusted Execution Environment (OP-TEE) is an open-source trusted execution environment (TEE) based on Arm® TrustZone® technology, created by trustedfirmware. Since the TEE is a core component in the Arm ecosystem, it is used in a lot of different use cases and has been deployed in mobile From OPTEE architecture, it seems need a REE side software to handle the interrupt and call associated TA to process it. As of 2016. The architecture of OP-TEE consists of two main components: the normal world (REE) and the secure world (TEE). The overall framework of OP-TEE combines with two major components: optee_os, which is the trusted side of the TEE (the secure world), and optee_client, which is Setting up the toolchain paths. When OP-TEE is used as a SPMC SPs run primarily inside S-EL0. Device Tree. It implements many standard functions like snprintf(), strncmp(), memcpy(), malloc(). 2 which contains many examples of how to call the various APIs. 11 mainline - 6. It covers the controls available to a hypervisor for generating and managing virtual interrupts. OP-TEE Architecture OP-TEE is based on ARM TrustZone to provide isolation of the TEE from the rich OS. 19. It is preferred to run optee_os entirely in SRAM, but if there is not enough room, DRAM can be used and protected with TZASC. qsort(), and many more but not all standard C library functions. Prerequisites; Device specific information. About OP-TEE; Coding standards; Contribute; Contact; License headers Examples / usage¶. In the Arm TrustZone architecture, the security of the system is achieved by partitioning all of the processor’s hardware and software resources so that they exist in one of two worlds – the Secure world (TEE) for the Device tree bindings . Arm Security Extensions Branch Target Identification . TA Mandatory files; TA Makefile Basics; Android Build Environment; TA Mandatory Entry Points; TA Properties; Checking TA parameters; Identifying TA’s client; Signing of TAs; StandAloneMM. HMAC based One Time Passwords or shortly just ‘HOTP’ has been around for many years and was initially defined in RFC4226 back in 2005. Boot loader stages may load a device tree structure in memory for all boot stage to get platform configuration from. Closed 21212124 opened this issue Jun 1, 2020 · 2 comments Closed Based on the information I have, Widevine DRM is based on different TEEs depending on the Android version in NXP i. Closed anisyanka Subkeys . 10. If a TA is going to be used to replace a crypto security chip it needs to get hardware random numb OP-TEE documentation. We have implemented one with the help of a new RPC. 2. We also have done some work based on RISC-V, xtest has been successfully passed right now, the whole system includes linux, opensbi, optee os, etc. My Linux kernel is configured as arm64, there is no early_printk function Can the information printed This guide describes the support for virtualization in the GICv3 and GICv4 architecture. e. I am not sure if the understanding is correct? Any comments are preciated. Top. Generic Interrupt Controller v3 OP-TEE documentation 3. OP-TEE documentation. Contribute to iisec-suzaki/optee-ra development by creating an account on GitHub. OP-TEE has support for GlobalPlatform TEE Client API Specification v1. Hi, In this issue I mentioned that we have a working logger in optee-os. Trusted Applications¶. libutee is a library that implements this API. 0 (Buildroot 2020. 5 extension that provides Control Flow Integrity (CFI) around indirect branches and their targets, thus helping to limit the JOP (Jump Oriented Programming) attacks. OP-TEE documentation 3. Open Portable Trusted Execution Environment (OP-TEE) is an open-source trusted execution environment (TEE) based on Arm® TrustZone® technology, created by trustedfirmware. 0 Getting started; Architecture. Subkeys is an OP-TEE-specific implementation to provide a public key hierarchy. Using OP-TEE OS upstream releases instead of NXP OPTEE-OS releases may have an impact on the features supported and the security level of the i. h is being used. OP-TEE is an open source Trusted Execution Environment (TEE) leveraging the Arm TrustZone technology. yaml# $schema: http://devicetree. for OPTEE, it will be opteed_setup() opteed_setup will do: Get secure image ep_info (BL2 will pass it to bl31 via x0). But starting with OP-TEE v3. OP-TEE . NXP; Previous Next Optee_os does not implement any thread scheduling. The overall framework of OP-TEE combines with two major components: optee_os, which is the trusted side of the TEE (the secure world), and optee_client, which is Why do we need ATF? Certain features of the Linux kernel, such as kexec on ARM64, may not function as intended without the support of the ARM Trusted Firmware (ATF). OP-TEE core can use the device tree format to inject platform configuration information during platform initialization and possibly some run time contexts. 01, optee_os is about 244KB (release build). In either of the above setups, the OP-TEE build commands in the next section will assume the below variables are set appropriately. Core; Crypto; Device Tree OP-TEE Documentation . OP-TEE¶. Refer to Yocto-built SDK Toolchains section to use the toolchain packaged in the Processor SDK (recommended). A specific build sequence can compile an instance of libmbedtls and link it to OP-TEE core. Refer to ARM toolchains to download and setup ARM toolchains, if the Processor SDK is not used. 5. Interrupt handling; Memory objects; MMU; Pager; Stacks; Shared Memory; SMC; Thread handling OP-TEE documentation 3. Since optee_os supports many devices and configurations it’s impossible to give a examples to all variants. The translation tables I noticed that only three platforms have implement access to the hardware random number generator. The overall framework of OP-TEE combines with two major components: optee_os, which is the trusted side of the TEE (the secure world), and optee_client, which is Open Portable Trusted Execution Environment (OP-TEE) is an open-source trusted execution environment (TEE) based on Arm® TrustZone® technology, created by trustedfirmware. Note however that Trusted Applications implemented in C should use GP TEE Internal Core Trusted Applications . Another build sequence compiles an instance of libmbedtls that can be linked with Trusted Applications. arguments for opteed including: Now update optee-client binary and libraries on your SD card with the generated ones in out/export/usr folder. Whenever the SPMC Libraries libutee . 16 (gcc version 9. OPTEE_SMC_FUNCID_CALLS_UID (part of SMCCC) returns the version information which is then returned by TEE_IOC_VERSION. Download/install; Export PATH; LLVM / Clang; Trusted Applications. Raw. ID 0 is defined as HYP_CLNT_ID and is reserved for hypervisor itself. OP-TEE core and OP-TEE development kit for Trusted Application provide a standard C library that is named libutils. 1 answer. 15. Testing results can be found in the pull request itself. Blame. 3. I am on porting STM32MP135F-DK Discovery Board source to STM32MP133D based customizing board. EDK2 Build instructions OP-TEE is an open-source software component hosted by Trusted Firmware organisation. AMD-Xilinx Versal ACAP VCK190; DeveloperBox; FVP; HiKey 620; HiKey 960; Juno; NUVOTON When a FFA_MSG_SEND_DIRECT_REQ message is received by the SPMC from the Normal World, a new thread is started. 1k; Star 1. For details about registers etc, please Secure Partitions (SPs) are the endpoints used in the FF-A protocol. But with our developing board, it stuck on OP-TEE comprises of secure world OS , normal world client (optee_client), test suite (optee_test/xtest) and Linux driver. This git contains the official documentation for the OP-TEE project - optee_docs/architecture/core. We believe that you can use any Linux distribution to build OP-TEE, but as maintainers of OP-TEE we are mainly using Ubuntu-based distributions and to be able to build and run OP-TEE there are a few packages that needs to be available. Getting started. hyxzft zdq mil nxsw ujtft vgbwv hgze mhawda sahlc ayttwvqxb