文件列表:

.checkpatch.conf (2143, 2018-12-19)
.editorconfig (1681, 2018-12-19)
Makefile (31104, 2018-12-19)
acknowledgements.rst (563, 2018-12-19)
bl1 (0, 2018-12-19)
bl1\aarch32 (0, 2018-12-19)
bl1\aarch32\bl1_arch_setup.c (414, 2018-12-19)
bl1\aarch32\bl1_context_mgmt.c (5491, 2018-12-19)
bl1\aarch32\bl1_entrypoint.S (2880, 2018-12-19)
bl1\aarch32\bl1_exceptions.S (3768, 2018-12-19)
bl1\aarch64 (0, 2018-12-19)
bl1\aarch64\bl1_arch_setup.c (1067, 2018-12-19)
bl1\aarch64\bl1_context_mgmt.c (2852, 2018-12-19)
bl1\aarch64\bl1_entrypoint.S (1812, 2018-12-19)
bl1\aarch64\bl1_exceptions.S (7568, 2018-12-19)
bl1\bl1.ld.S (5563, 2018-12-19)
bl1\bl1.mk (747, 2018-12-19)
bl1\bl1_fwu.c (21394, 2018-12-19)
bl1\bl1_main.c (6998, 2018-12-19)
bl1\bl1_private.h (1085, 2018-12-19)
bl1\tbbr (0, 2018-12-19)
bl1\tbbr\tbbr_img_desc.c (1824, 2018-12-19)
bl2 (0, 2018-12-19)
bl2\aarch32 (0, 2018-12-19)
bl2\aarch32\bl2_arch_setup.c (470, 2018-12-19)
bl2\aarch32\bl2_el3_entrypoint.S (2179, 2018-12-19)
bl2\aarch32\bl2_el3_exceptions.S (505, 2018-12-19)
bl2\aarch32\bl2_entrypoint.S (3531, 2018-12-19)
bl2\aarch64 (0, 2018-12-19)
bl2\aarch64\bl2_arch_setup.c (607, 2018-12-19)
bl2\aarch64\bl2_el3_entrypoint.S (2017, 2018-12-19)
bl2\aarch64\bl2_el3_exceptions.S (3287, 2018-12-19)
bl2\aarch64\bl2_entrypoint.S (3467, 2018-12-19)
bl2\bl2.ld.S (4395, 2018-12-19)
bl2\bl2.mk (816, 2018-12-19)
bl2\bl2_el3.ld.S (6294, 2018-12-19)
bl2\bl2_image_load_v2.c (3169, 2018-12-19)
bl2\bl2_main.c (1914, 2018-12-19)
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Trusted Firmware-A - version 2.0 ================================ Trusted Firmware-A (TF-A) provides a reference implementation of secure world software for `Armv7-A and Armv8-A`_, including a `Secure Monitor`_ executing at Exception Level 3 (EL3). It implements various Arm interface standards, such as: - The `Power State Coordination Interface (PSCI)`_ - Trusted Board Boot Requirements (TBBR, Arm DEN0006C-1) - `SMC Calling Convention`_ - `System Control and Management Interface`_ - `Software Delegated Exception Interface (SDEI)`_ Where possible, the code is designed for reuse or porting to other Armv7-A and Armv8-A model and hardware platforms. Arm will continue development in collaboration with interested parties to provide a full reference implementation of Secure Monitor code and Arm standards to the benefit of all developers working with Armv7-A and Armv8-A TrustZone technology. License ------- The software is provided under a BSD-3-Clause `license`_. Contributions to this project are accepted under the same license with developer sign-off as described in the `Contributing Guidelines`_. This project contains code from other projects as listed below. The original license text is included in those source files. - The libc source code is derived from `FreeBSD`_ and `SCC`_. FreeBSD uses various BSD licenses, including BSD-3-Clause and BSD-2-Clause. The SCC code is used under the BSD-3-Clause license with the author's permission. - The libfdt source code is disjunctively dual licensed (GPL-2.0+ OR BSD-2-Clause). It is used by this project under the terms of the BSD-2-Clause license. Any contributions to this code must be made under the terms of both licenses. - The LLVM compiler-rt source code is disjunctively dual licensed (NCSA OR MIT). It is used by this project under the terms of the NCSA license (also known as the University of Illinois/NCSA Open Source License), which is a permissive license compatible with BSD-3-Clause. Any contributions to this code must be made under the terms of both licenses. - The zlib source code is licensed under the Zlib license, which is a permissive license compatible with BSD-3-Clause. - Some STMicroelectronics platform source code is disjunctively dual licensed (GPL-2.0+ OR BSD-3-Clause). It is used by this project under the terms of the BSD-3-Clause license. Any contributions to this code must be made under the terms of both licenses. This release ------------ This release provides a suitable starting point for productization of secure world boot and runtime firmware, in either the AArch32 or AArch*** execution state. Users are encouraged to do their own security validation, including penetration testing, on any secure world code derived from TF-A. Functionality ~~~~~~~~~~~~~ - Initialization of the secure world, for example exception vectors, control registers and interrupts for the platform. - Library support for CPU specific reset and power down sequences. This includes support for errata workarounds and the latest Arm DynamIQ CPUs. - Drivers to enable standard initialization of Arm System IP, for example Generic Interrupt Controller (GIC), Cache Coherent Interconnect (CCI), Cache Coherent Network (CCN), Network Interconnect (NIC) and TrustZone Controller (TZC). - A generic `SCMI`_ driver to interface with conforming power controllers, for example the Arm System Control Processor (SCP). - SMC (Secure Monitor Call) handling, conforming to the `SMC Calling Convention`_ using an EL3 runtime services framework. - `PSCI`_ library support for CPU, cluster and system power management use-cases. This library is pre-integrated with the AArch*** EL3 Runtime Software, and is also suitable for integration with other AArch32 EL3 Runtime Software, for example an AArch32 Secure OS. - A minimal AArch32 Secure Payload (SP\_MIN) to demonstrate `PSCI`_ library integration with AArch32 EL3 Runtime Software. - Secure Monitor library code such as world switching, EL1 context management and interrupt routing. When a Secure-EL1 Payload (SP) is present, for example a Secure OS, the AArch*** EL3 Runtime Software must be integrated with a dispatcher component (SPD) to customize the interaction with the SP. - A Test SP/SPD to demonstrate AArch*** Secure Monitor functionality and SP interaction with PSCI. - SPDs for the `OP-TEE Secure OS`_, `NVidia Trusted Little Kernel`_ and `Trusty Secure OS`_. - A Trusted Board Boot implementation, conforming to all mandatory TBBR requirements. This includes image authentication, Firmware Update (or recovery mode), and packaging of the various firmware images into a Firmware Image Package (FIP). - Pre-integration of TBB with the Arm CryptoCell product, to take advantage of its hardware Root of Trust and crypto acceleration services. - Reliability, Availability, and Serviceability (RAS) functionality, including - A Secure Partition Manager (SPM) to manage Secure Partitions in Secure-EL0, which can be used to implement simple management and security services. - An SDEI dispatcher to route interrupt-based SDEI events. - An Exception Handling Framework (EHF) that allows dispatching of EL3 interrupts to their registered handlers, to facilitate firmware-first error handling. - A dynamic configuration framework that enables each of the firmware images to be configured at runtime if required by the platform. It also enables loading of a hardware configuration (for example, a kernel device tree) as part of the FIP, to be passed through the firmware stages. - Support for alternative boot flows, for example to support platforms where the EL3 Runtime Software is loaded using other firmware or a separate secure system processor, or where a non-TF-A ROM expects BL2 to be loaded at EL3. - Support for the GCC, LLVM and Arm Compiler 6 toolchains. - Support combining several libraries into a self-called "romlib" image, that may be shared across images to reduce memory footprint. The romlib image is stored in ROM but is accessed through a jump-table that may be stored in read-write memory, allowing for the library code to be patched. For a full description of functionality and implementation details, please see the `Firmware Design`_ and supporting documentation. The `Change Log`_ provides details of changes made since the last release. Platforms ~~~~~~~~~ Various AArch32 and AArch*** builds of this release has been tested on variants r0, r1 and r2 of the `Juno Arm Development Platform`_. Various AArch*** builds of this release have been tested on the following Arm Fixed Virtual Platforms (`FVP`_) without shifted affinities that do not support threaded CPU cores (***-bit host machine only): NOTE: Unless otherwise stated, the model version is Version 11.4 Build 37. - ``FVP_Base_Aresx4`` - ``FVP_Base_AEMv8A-AEMv8A`` - ``FVP_Base_AEMv8A-AEMv8A-AEMv8A-AEMv8A-CCN502`` - ``FVP_Base_AEMv8A-AEMv8A`` - ``FVP_Base_RevC-2xAEMv8A`` - ``FVP_Base_Cortex-A32x4`` - ``FVP_Base_Cortex-A35x4`` - ``FVP_Base_Cortex-A53x4`` - ``FVP_Base_Cortex-A55x4+Cortex-A75x4`` - ``FVP_Base_Cortex-A55x4`` - ``FVP_Base_Cortex-A57x4-A53x4`` - ``FVP_Base_Cortex-A57x4`` - ``FVP_Base_Cortex-A72x4-A53x4`` - ``FVP_Base_Cortex-A72x4`` - ``FVP_Base_Cortex-A73x4-A53x4`` - ``FVP_Base_Cortex-A73x4`` - ``FVP_Base_Cortex-A75x4`` - ``FVP_Base_Cortex-A76x4`` - ``FVP_CSS_SGI-575`` (Version 11.3 build 40) - ``Foundation_Platform`` The latest version of the AArch32 build of TF-A has been tested on the following Arm FVPs without shifted affinities that do not support threaded CPU cores (***-bit host machine only). - ``FVP_Base_AEMv8A-AEMv8A`` - ``FVP_Base_Cortex-A32x4`` The Foundation FVP can be downloaded free of charge. The Base FVPs can be licensed from Arm. See the `Arm FVP website`_. All the above platforms have been tested with `Linaro Release 18.04`_. This release also contains the following platform support: - Allwinner sun50i_*** and sun50i_h6 - Amlogic Meson S905 (GXBB) - ARM SGI-575 and SGM-775 - HiKey, HiKey960 and Poplar boards - Marvell Armada 8K - MediaTek MT6795 and MT8173 SoCs - NVidia T132, T186 and T210 SoCs - NXP QorIQ LS1043A, i.MX8QX, i.MX8QM and i.MX7Solo WaRP7 - QEMU emulator - Raspberry Pi 3 board - RockChip RK3328, RK3368 and RK3399 SoCs - Socionext UniPhier SoC family and SynQuacer SC2A11 SoCs - STMicroelectronics STM32MP1 - Texas Instruments K3 SoCs - Xilinx Zynq UltraScale + MPSoC Still to come ~~~~~~~~~~~~~ - More platform support. - Position independent executable (PIE) support. - Ongoing support for new architectural features, CPUs and System IP. - Ongoing support for new Arm system architecture specifications. - Ongoing security hardening, optimization and quality improvements. For a full list of detailed issues in the current code, please see the `Change Log`_ and the `GitHub issue tracker`_. Getting started --------------- Get the TF-A source code from `GitHub`_. See the `User Guide`_ for instructions on how to install, build and use the TF-A with the Arm `FVP`_\ s. See the `Firmware Design`_ for information on how the TF-A works. See the `Porting Guide`_ as well for information about how to use this software on another Armv7-A or Armv8-A platform. See the `Contributing Guidelines`_ for information on how to contribute to this project and the `Acknowledgments`_ file for a list of contributors to the project. IRC channel ~~~~~~~~~~~ Development discussion takes place on the #trusted-firmware-a channel on the Freenode IRC network. This is not an official support channel. If you have an issue to raise, please use the `GitHub issue tracker`_. Feedback and support ~~~~~~~~~~~~~~~~~~~~ Arm welcomes any feedback on TF-A. If you think you have found a security vulnerability, please report this using the process defined in the TF-A `Security Centre`_. For all other feedback, please use the `GitHub issue tracker`_. Arm licensees may contact Arm directly via their partner managers. -------------- *Copyright (c) 2013-2018, 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 .. _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: 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 .. _Juno Arm Development Platform: http://www.arm.com/products/tools/development-boards/versatile-express/juno-arm-development-platform.php .. _Arm FVP website: FVP_ .. _FVP: https://developer.arm.com/products/system-design/fixed-virtual-platforms .. _Linaro Release 18.04: https://community.arm.com/dev-platforms/b/documents/posts/linaro-release-notes-deprecated#LinaroRelease18.04 .. _OP-TEE Secure OS: https://github.com/OP-TEE/optee_os .. _NVidia Trusted Little Kernel: http://nv-tegra.nvidia.com/gitweb/?p=3rdparty/ote_partner/tlk.git;a=summary .. _Trusty Secure OS: https://source.android.com/security/trusty .. _GitHub: https://www.github.com/ARM-software/arm-trusted-firmware .. _GitHub issue tracker: https://github.com/ARM-software/tf-issues/issues .. _Security Centre: https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Centre .. _license: ./license.rst .. _Contributing Guidelines: ./contributing.rst .. _Acknowledgments: ./acknowledgements.rst .. _Firmware Design: ./docs/firmware-design.rst .. _Change Log: ./docs/change-log.rst .. _User Guide: ./docs/user-guide.rst .. _Porting Guide: ./docs/porting-guide.rst .. _FreeBSD: http://www.freebsd.org .. _SCC: http://www.simple-cc.org/

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