308dce4067
The GIC-600AE uses a range of RAS features for all RAMs, which include SECDED, ECC, and Scrub, software and bus error reporting. The GIC makes all necessary information available to software through Armv8.2 RAS architecture compliant register space. This patch introduces support to probe the FMU_ERRGSR register to find the right error record. Once the correct record is identified, the "handler" function queries the FMU_ERR<m>STATUS register to further identify the block ID, safety mechanism and the architecturally defined primary error code. The description of the error is displayed on the console to simplify debug. Change-Id: I7e543664b74457afee2da250549f4c3d9beb1a03 Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> |
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readme.rst
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.