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README.md

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example code

  • standard_OS directory is for standard operating system

    • can build with megcc runtime with the same env(same toolchains, or one CMakeList.txt)

  • Nonstandard_OS directory is for non-standard operating system code examples

    • how to work for Nonstandard_OS:

      • check runtime/CMakeLists.txt option TINYNN_BUILD_FOR_NOT_STANDARD_OS, will use clang --target arch-xxx to build arch-xxx only static library
        • TINYNN_BUILD_FOR_NOT_STANDARD_OS will auto enable TINYNN_CALLBACK_ENABLE, which will isolate APIS(always be system related) to customer space
      • check runtime/scripts/check_tinynn_lib.py, will use this scripts to check static library usability

    • tee directory is for TEE ca/ta example, need build at optee_example or other vendor tee sdk

      • build TinyNN with -o NOT_STANDARD_OS flag
        • python3 runtime/scripts/runtime_build.py --kernel_dir YOUR_BUILD/kernel_dir/ --cross_build --cross_build_target_arch aarch64 --cross_build_target_os NOT_STANDARD_OS --remove_old_build
        • run example: python3 tee/test_optee.py --tinynn_lib_install_dir YOUR_BUILD/kernel_dir/install --optee_repo_dir YOUR_OPTEE_REPO_ROOT

    • freeRTOS directory is for freeRTOS example, need build at freeRTOS repo

      • build TinyNN with -o NOT_STANDARD_OS flag
        • python3 runtime/scripts/runtime_build.py --kernel_dir YOUR_BUILD/kernel_dir/ --cross_build --cross_build_target_arch cortex-m --cross_build_target_os NOT_STANDARD_OS --remove_old_build
        • run example: python3 freeRTOS/test_freertos.py --tinynn_lib_install_dir YOUR_BUILD/kernel_dir/install --free_rtos_repo_dir YOUR_FREERTOS_REPO_ROOT
        • you can refs this example to deploy megcc runtime to others RTOS

    • bare_board directory for no operating system env , test use QEMU

      • now only example for arm and aarch64, for aarch64 example by cmd:
        • python3 runtime/scripts/runtime_build.py --kernel_dir YOUR_BUILD/kernel_dir/ --cross_build --cross_build_target_arch aarch64 --cross_build_target_os NOT_STANDARD_OS --remove_old_build
        • run example: python3 bare_board/test_bare_board_qemu.py --tinynn_lib_install_dir YOUR_BUILD/kernel_dir/install --test_arch aarch64
      • also, the examples code can be use at standard operating system
        • just change the toolchains
        • do not build with startup.s and link with link.ld