fd1360a339
Existing macro ERROR() prints string "ERROR" followed by string specified by caller. Therefore via this existing macro it is not possible to end incomplete / existing line by a newline character. This change adds a new macro ERROR_NL() which prints just a newline character without any prefix. Implementation of this macro is done via a new function tf_log_newline() which based on supplied log level either return or print newline character. If needed in future based on this tf_log_newline() function can be defined also macros for other log levels. Signed-off-by: Pali Rohár <pali@kernel.org> Change-Id: I05414ca177f94cdc0f6077394d9c4af4a4382306 |
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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.