.github/actions/setup_toolchain/toolchain.json

{
  "aarch64-gcc": "https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz",
  "arm-clang": "https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/download/release-19.1.1/LLVM-ET-Arm-19.1.1-Linux-x86_64.tar.xz",
  "arm-gcc": "https://gitlab.arm.com/api/v4/projects/tooling%2Fgnu-toolchains-for-arm/packages/generic/gnu-toolchain/14.2.rel1/arm-gnu-toolchain-14.2.rel1-x86_64-arm-none-eabi.tar.xz",
  "ft9xx-gcc": "https://github.com/Bridgetek/ft32-toolchain-linux/releases/download/v2.7.6/ft9xxtoolchain_2.7.6_amd64.deb",
  "arm-gcc-macos-latest": "https://gitlab.arm.com/api/v4/projects/tooling%2Fgnu-toolchains-for-arm/packages/generic/gnu-toolchain/14.2.rel1/arm-gnu-toolchain-14.2.rel1-darwin-arm64-arm-none-eabi.tar.xz",
  "arm-gcc-windows-latest": "https://gitlab.arm.com/api/v4/projects/tooling%2Fgnu-toolchains-for-arm/packages/generic/gnu-toolchain/14.2.rel1/arm-gnu-toolchain-14.2.rel1-mingw-w64-x86_64-arm-none-eabi.zip",
  "msp430-gcc": "https://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSPGCC/9_2_0_0/export/msp430-gcc-9.2.0.50_linux64.tar.bz2",
  "riscv-gcc": "https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v13.2.0-2/xpack-riscv-none-elf-gcc-13.2.0-2-linux-x64.tar.gz",
  "rx-gcc": "https://github.com/hathach/rx_device/releases/download/0.0.1/gcc-8.3.0.202411-GNURX-ELF.run",
  "arm-iar": "https://netstorage.iar.com/FileStore/STANDARD/001/003/723/cxarm-9.70.1.deb"
}