Merge pull request #1022 from danh-arm/dh/v1.4-readme
Update readme for v1.4 release
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readme.rst
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readme.rst
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ARM Trusted Firmware - version 1.3
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ARM Trusted Firmware - version 1.4
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==================================
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ARM Trusted Firmware provides a reference implementation of secure world
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software for `ARMv8-A`_, including a `Secure Monitor`_ executing at
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Exception Level 3 (EL3). It implements various ARM interface standards, such as
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the Power State Coordination Interface (`PSCI`_), Trusted Board Boot Requirements
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(TBBR, ARM DEN0006C-1) and `SMC Calling Convention`_. As far as possible
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the code is designed for reuse or porting to other ARMv8-A model and hardware
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platforms.
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Exception Level 3 (EL3). It implements various ARM interface standards, such as:
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- The `Power State Coordination Interface (PSCI)`_
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- Trusted Board Boot Requirements (TBBR, ARM DEN0006C-1)
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- `SMC Calling Convention`_
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- `System Control and Management Interface`_
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As far as possible the code is designed for reuse or porting to other ARMv8-A
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model and hardware platforms.
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ARM will continue development in collaboration with interested parties to
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provide a full reference implementation of PSCI, TBBR and Secure Monitor code
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provide a full reference implementation of Secure Monitor code and ARM standards
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to the benefit of all developers working with ARMv8-A TrustZone technology.
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License
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@ -28,12 +32,15 @@ license text is included in those source files.
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- The libfdt source code is dual licensed. It is used by this project under
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the terms of the BSD-2-Clause license.
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- The LLVM compiler-rt source code is dual licensed. It is used by this
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project under the terms of the University of Illinois "BSD-Like" license.
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This Release
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------------
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This release provides a suitable starting point for productization of secure
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world boot and runtime firmware, executing in either the AArch32 or AArch64
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execution state.
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world boot and runtime firmware, in either the AArch32 or AArch64 execution
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state.
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Users are encouraged to do their own security validation, including penetration
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testing, on any secure world code derived from ARM Trusted Firmware.
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@ -41,57 +48,57 @@ testing, on any secure world code derived from ARM Trusted Firmware.
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Functionality
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~~~~~~~~~~~~~
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- Initialization of the secure world (for example, exception vectors, control
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registers, interrupt controller and interrupts for the platform), before
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transitioning into the normal world at the Exception Level and Register
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Width specified by the platform.
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- Initialization of the secure world, for example exception vectors, control
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registers and interrupts for the platform.
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- Library support for CPU specific reset and power down sequences. This
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includes support for errata workarounds.
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- Drivers for both versions 2.0 and 3.0 of the ARM Generic Interrupt
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Controller specifications (GICv2 and GICv3). The latter also enables GICv3
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hardware systems that do not contain legacy GICv2 support.
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includes support for errata workarounds and the latest ARM DynamIQ CPUs.
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- Drivers to enable standard initialization of ARM System IP, for example
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Cache Coherent Interconnect (CCI), Cache Coherent Network (CCN), Network
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Interconnect (NIC) and TrustZone Controller (TZC).
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Generic Interrupt Controller (GIC), Cache Coherent Interconnect (CCI),
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Cache Coherent Network (CCN), Network Interconnect (NIC) and TrustZone
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Controller (TZC).
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- SMC (Secure Monitor Call) handling, conforming to the
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`SMC Calling Convention`_ using an EL3 runtime services framework.
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- A generic `SCMI`_ driver to interface with conforming power controllers, for
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example the ARM System Control Processor (SCP).
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- `PSCI`_ library support for the Secondary CPU Boot, CPU Hotplug, CPU Idle
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and System Shutdown/Reset/Suspend use-cases.
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This library is pre-integrated with the provided AArch64 EL3 Runtime
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Software, and is also suitable for integration into other EL3 Runtime
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Software.
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- SMC (Secure Monitor Call) handling, conforming to the `SMC Calling
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Convention`_ using an EL3 runtime services framework.
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- A minimal AArch32 Secure Payload to demonstrate `PSCI`_ library integration
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on platforms with AArch32 EL3 Runtime Software.
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- `PSCI`_ library support for CPU, cluster and system power management
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use-cases.
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This library is pre-integrated with the AArch64 EL3 Runtime Software, and
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is also suitable for integration with other AArch32 EL3 Runtime Software,
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for example an AArch32 Secure OS.
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- A minimal AArch32 Secure Payload (SP\_MIN) to demonstrate `PSCI`_ library
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integration with AArch32 EL3 Runtime Software.
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- Secure Monitor library code such as world switching, EL1 context management
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and interrupt routing.
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When using the provided AArch64 EL3 Runtime Software, this must be
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integrated with a Secure-EL1 Payload Dispatcher (SPD) component to
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customize the interaction with a Secure-EL1 Payload (SP), for example a
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Secure OS.
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When a Secure-EL1 Payload (SP) is present, for example a Secure OS, the
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AArch64 EL3 Runtime Software must be integrated with a dispatcher component
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(SPD) to customize the interaction with the SP.
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- A Test Secure-EL1 Payload and Dispatcher to demonstrate AArch64 Secure
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Monitor functionality and Secure-EL1 interaction with PSCI.
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- A Test SP/SPD to demonstrate AArch64 Secure Monitor functionality and SP
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interaction with PSCI.
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- AArch64 SPDs for the `OP-TEE Secure OS`_ and `NVidia Trusted Little Kernel`_.
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- SPDs for the `OP-TEE Secure OS`_, `NVidia Trusted Little Kernel`_
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and `Trusty Secure OS`_.
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- A Trusted Board Boot implementation, conforming to all mandatory TBBR
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requirements. This includes image authentication using certificates, a
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Firmware Update (or recovery mode) boot flow, and packaging of the various
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firmware images into a Firmware Image Package (FIP) to be loaded from
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non-volatile storage.
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The TBBR implementation is currently only supported in the AArch64 build.
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requirements. This includes image authentication, Firmware Update (or
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recovery mode), and packaging of the various firmware images into a
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Firmware Image Package (FIP).
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- Support for alternative boot flows. Some platforms have their own boot
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firmware and only require the AArch64 EL3 Runtime Software provided by this
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project. Other platforms require minimal initialization before booting
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into an arbitrary EL3 payload.
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- Pre-integration of TBB with the ARM TrustZone CryptoCell product, to take
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advantage of its hardware Root of Trust and crypto acceleration services.
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- Support for alternative boot flows, for example to support platforms where
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the EL3 Runtime Software is loaded using other firmware or a separate
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secure system processor.
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- Support for the GCC, LLVM and ARM Compiler 6 toolchains.
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For a full description of functionality and implementation details, please
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see the `Firmware Design`_ and supporting documentation. The `Change Log`_
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@ -100,61 +107,70 @@ provides details of changes made since the last release.
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Platforms
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~~~~~~~~~
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The AArch64 build of this release has been tested on variants r0, r1 and r2
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of the `Juno ARM Development Platform`_ with `Linaro Release 16.06`_.
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Various AArch32 and AArch64 builds of this release has been tested on variants
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r0, r1 and r2 of the `Juno ARM Development Platform`_.
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The AArch64 build of this release has been tested on the following ARM
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`FVP`_\ s (64-bit host machine only, with `Linaro Release 16.06`_):
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Various AArch64 builds of this release have been tested on the following ARM
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`FVP`_\ s (64-bit host machine only):
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- ``Foundation_Platform`` (Version 10.1, Build 10.1.32)
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- ``FVP_Base_AEMv8A-AEMv8A`` (Version 7.7, Build 0.8.7701)
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- ``FVP_Base_Cortex-A57x4-A53x4`` (Version 7.7, Build 0.8.7701)
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- ``FVP_Base_Cortex-A57x1-A53x1`` (Version 7.7, Build 0.8.7701)
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- ``FVP_Base_Cortex-A57x2-A53x4`` (Version 7.7, Build 0.8.7701)
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NOTE: Unless otherwise stated, the FVP Version is 11.0, Build 11.0.34.
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The AArch32 build of this release has been tested on the following ARM
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`FVP`_\ s (64-bit host machine only, with `Linaro Release 16.06`_):
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- ``Foundation_Platform``
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- ``FVP_Base_AEMv8A-AEMv8A`` (Version 8.5, Build 0.8.8502)
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- ``FVP_Base_Cortex-A35x4``
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- ``FVP_Base_Cortex-A53x4``
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- ``FVP_Base_Cortex-A57x4-A53x4``
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- ``FVP_Base_Cortex-A57x4``
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- ``FVP_Base_Cortex-A72x4-A53x4``
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- ``FVP_Base_Cortex-A72x4``
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- ``FVP_Base_Cortex-A73x4-A53x4``
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- ``FVP_Base_Cortex-A73x4``
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- ``FVP_CSS_SGM-775`` (Version 11.0, Build 11.0.36)
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- ``FVP_Base_AEMv8A-AEMv8A`` (Version 7.7, Build 0.8.7701)
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- ``FVP_Base_Cortex-A32x4`` (Version 10.1, Build 10.1.32)
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Various AArch32 builds of this release has been tested on the following ARM
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`FVP`_\ s (64-bit host machine only):
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- ``FVP_Base_AEMv8A-AEMv8A`` (Version 8.5, Build 0.8.8502)
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- ``FVP_Base_Cortex-A32x4``
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The Foundation FVP can be downloaded free of charge. The Base FVPs can be
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licensed from ARM: see `www.arm.com/fvp`_.
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licensed from ARM. See the `ARM FVP website`_.
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All the above platforms have been tested with `Linaro Release 17.04`_.
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This release also contains the following platform support:
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- HiKey and HiKey960 boards
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- MediaTek MT6795 and MT8173 SoCs
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- NVidia T210 and T132 SoCs
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- NVidia T132, T186 and T210 SoCs
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- QEMU emulator
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- RockChip RK3368 and RK3399 SoCs
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- RockChip RK3328, RK3368 and RK3399 SoCs
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- Socionext UniPhier SoC family
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- Xilinx Zynq UltraScale + MPSoC
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Still to Come
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~~~~~~~~~~~~~
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- AArch32 TBBR support and ongoing TBBR alignment.
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- More platform support.
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- Ongoing support for new architectural features, CPUs and System IP.
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- Ongoing `PSCI`_ alignment and feature support.
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- Ongoing support for new `PSCI`_, `SCMI`_ and TBBR features.
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- Ongoing security hardening, optimization and quality improvements.
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For a full list of detailed issues in the current code, please see the
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`Change Log`_ and the `GitHub issue tracker`_.
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For a full list of detailed issues in the current code, please see the `Change
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Log`_ and the `GitHub issue tracker`_.
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Getting Started
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---------------
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Get the Trusted Firmware source code from
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`GitHub`_.
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Get the Trusted Firmware source code from `GitHub`_.
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See the `User Guide`_ for instructions on how to install, build and use
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the Trusted Firmware with the ARM `FVP`_\ s.
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See the `Firmware Design`_ for information on how the ARM Trusted Firmware works.
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See the `Firmware Design`_ for information on how the Trusted Firmware works.
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See the `Porting Guide`_ as well for information about how to use this
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software on another ARMv8-A platform.
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@ -166,31 +182,38 @@ project.
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Feedback and support
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~~~~~~~~~~~~~~~~~~~~
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ARM welcomes any feedback on the Trusted Firmware. Please send feedback using
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the `GitHub issue tracker`_.
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ARM welcomes any feedback on Trusted Firmware. If you think you have found a
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security vulnerability, please report this using the process defined in the
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Trusted Firmware `Security Centre`_. For all other feedback, please use the
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`GitHub issue tracker`_.
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ARM licensees may contact ARM directly via their partner managers.
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--------------
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*Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.*
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*Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.*
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.. _ARMv8-A: http://www.arm.com/products/processors/armv8-architecture.php
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.. _Secure Monitor: http://www.arm.com/products/processors/technologies/trustzone/tee-smc.php
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.. _PSCI: http://infocenter.arm.com/help/topic/com.arm.doc.den0022c/DEN0022C_Power_State_Coordination_Interface.pdf
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.. _SMC Calling Convention: http://infocenter.arm.com/help/topic/com.arm.doc.den0028a/index.html
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.. _license: ./license.rst
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.. _Contributing Guidelines: ./contributing.rst
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.. _Power State Coordination Interface (PSCI): PSCI_
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.. _PSCI: http://infocenter.arm.com/help/topic/com.arm.doc.den0022d/Power_State_Coordination_Interface_PDD_v1_1_DEN0022D.pdf
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.. _SMC Calling Convention: http://infocenter.arm.com/help/topic/com.arm.doc.den0028b/ARM_DEN0028B_SMC_Calling_Convention.pdf
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.. _System Control and Management Interface: SCMI_
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.. _SCMI: http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/DEN0056A_System_Control_and_Management_Interface.pdf
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.. _Juno ARM Development Platform: http://www.arm.com/products/tools/development-boards/versatile-express/juno-arm-development-platform.php
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.. _ARM FVP website: FVP_
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.. _FVP: https://developer.arm.com/products/system-design/fixed-virtual-platforms
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.. _Linaro Release 17.04: https://community.arm.com/dev-platforms/b/documents/posts/linaro-release-notes-deprecated#LinaroRelease17.04
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.. _OP-TEE Secure OS: https://github.com/OP-TEE/optee_os
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.. _NVidia Trusted Little Kernel: http://nv-tegra.nvidia.com/gitweb/?p=3rdparty/ote_partner/tlk.git;a=summary
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.. _Trusty Secure OS: https://source.android.com/security/trusty
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.. _GitHub: https://www.github.com/ARM-software/arm-trusted-firmware
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.. _GitHub issue tracker: https://github.com/ARM-software/tf-issues/issues
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.. _Security Centre: https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Centre
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.. _license: ./license.rst
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.. _Contributing Guidelines: ./contributing.rst
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.. _Acknowledgments: ./acknowledgements.rst
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.. _Firmware Design: ./docs/firmware-design.rst
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.. _Change Log: ./docs/change-log.rst
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.. _Juno ARM Development Platform: http://www.arm.com/products/tools/development-boards/versatile-express/juno-arm-development-platform.php
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.. _Linaro Release 16.06: https://community.arm.com/docs/DOC-10952#jive_content_id_Linaro_Release_1606
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.. _FVP: http://www.arm.com/fvp
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.. _www.arm.com/fvp: http://www.arm.com/fvp
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.. _GitHub issue tracker: https://github.com/ARM-software/tf-issues/issues
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.. _GitHub: https://www.github.com/ARM-software/arm-trusted-firmware
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.. _User Guide: ./docs/user-guide.rst
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.. _Porting Guide: ./docs/porting-guide.rst
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.. _Acknowledgments: ./acknowledgements.rst
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