Hello,

I am thrilled to announce the support of new Clan/LLVM toolchain, freely available here: https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm. This extends a suite of powerful tools designed to enhance your development experience and boost productivity.

Key Features:

• Offers Clang frontend
• Available for Linux, Windows and macOS
• Builds TF-M binaries for all Arm targets
• Secure side built without libc and picolib libraries, while both are available to Bootloader and Non-Secure side

Important notes:

• Floating point support is not verified
• MVE is not supported yet
• This has been verified with version v18.1.3 of the toolchain.

We're excited for you to try out the new toolchain support and look forward to your feedback. The use of the toolchain_CLANG.cmake is the same as all other toolchains.

I plan to present the new toolchain and compare it with the existing tools in one of the upcoming TF-M forums. Meanwhile I encourage the platform owners to include the new toolchain support using arm platforms as a reference. The relevant changes are in this chain:

https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/34351

There is ongoing discussion on the best name for the toolchain to avoid possible confusion. Should it be Clang as now, LLVM, or even LLVMClang? Please share your opinion.

Thanks, and best regards,

Anton.