ddb07a5689
- In event_log_init(): Throughout the function, we are incrementing a pointer by some fixed amounts of bytes (corresponding to the size of some data structure or to some constant number of bytes), there is no variable-size increments in the picture. Thus it seems pointless to verify that the pointer has indeed been incremented by this fixed amount of bytes afterwards. For this reason, remove these checks altogether. As a result, the start_ptr local variable is now unused so remove it as well. Change-Id: I612e2278cd3a63d1417427e45d81e285503f5efe Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.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.