https://github.com/arm-software/arm-trusted-firmware

Read-only mirror of Trusted Firmware-A
https://github.com/arm-software/arm-trusted-firmware

Last synced: 29 days ago
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Read-only mirror of Trusted Firmware-A

• Host: GitHub
• URL: https://github.com/arm-software/arm-trusted-firmware
• Owner: ARM-software
• License: other
• Created: 2013-10-21T11:39:00.000Z (about 11 years ago)
• Default Branch: master
• Last Pushed: 2024-10-10T04:42:38.000Z (about 1 month ago)
• Last Synced: 2024-10-15T13:03:40.384Z (29 days ago)
• Language: C
• Homepage: https://developer.trustedfirmware.org/dashboard/view/6/
• Size: 38.8 MB
• Stars: 1,921
• Watchers: 277
• Forks: 1,356
• Open Issues: 12
• Metadata Files:
  • Readme: readme.rst
  • Changelog: changelog.yaml
  • License: license.rst
  • Security: docs/security_advisories/index.rst

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README

        
Trusted Firmware-A

==================

Trusted Firmware-A (TF-A) is a reference implementation of secure world software

for `Arm A-Profile architectures`_ (Armv8-A and Armv7-A), including an Exception

Level 3 (EL3) `Secure Monitor`_. It provides a suitable starting point for

productization of secure world boot and runtime firmware, in either the AArch32

or AArch64 execution states.

TF-A implements Arm interface standards, including:

-  `Power State Coordination Interface (PSCI)`_

-  `Trusted Board Boot Requirements CLIENT (TBBR-CLIENT)`_

-  `SMC Calling Convention`_

-  `System Control and Management Interface (SCMI)`_

-  `Software Delegated Exception Interface (SDEI)`_

The code is designed to be portable and reusable across hardware platforms and

software models that are based on the Armv8-A and Armv7-A architectures.

In collaboration with interested parties, we will continue to enhance TF-A

with reference implementations of Arm standards to benefit developers working

with Armv7-A and Armv8-A TrustZone technology.

Users are encouraged to do their own security validation, including penetration

testing, on any secure world code derived from TF-A.

More Info and Documentation

---------------------------

To find out more about Trusted Firmware-A, please `view the full documentation`_

that is available through `trustedfirmware.org`_.

--------------

*Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.*

.. _Armv7-A and Armv8-A: https://developer.arm.com/products/architecture/a-profile

.. _Secure Monitor: http://www.arm.com/products/processors/technologies/trustzone/tee-smc.php

.. _Power State Coordination Interface (PSCI): PSCI_

.. _PSCI: http://infocenter.arm.com/help/topic/com.arm.doc.den0022d/Power_State_Coordination_Interface_PDD_v1_1_DEN0022D.pdf

.. _Trusted Board Boot Requirements CLIENT (TBBR-CLIENT): https://developer.arm.com/docs/den0006/latest

.. _SMC Calling Convention: http://infocenter.arm.com/help/topic/com.arm.doc.den0028b/ARM_DEN0028B_SMC_Calling_Convention.pdf

.. _System Control and Management Interface (SCMI): SCMI_

.. _SCMI: http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/DEN0056A_System_Control_and_Management_Interface.pdf

.. _Software Delegated Exception Interface (SDEI): SDEI_

.. _SDEI: http://infocenter.arm.com/help/topic/com.arm.doc.den0054a/ARM_DEN0054A_Software_Delegated_Exception_Interface.pdf

.. _Arm A-Profile architectures: https://developer.arm.com/architectures/cpu-architecture/a-profile

.. _view the full documentation: https://www.trustedfirmware.org/docs/tf-a

.. _trustedfirmware.org: http://www.trustedfirmware.org