Initial framework of an ethos-u runtime backend #501
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| Original file line number | Diff line number | Diff line change |
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| # Copyright 2023 Arm Limited and/or its affiliates. | ||
| # | ||
| # This source code is licensed under the BSD-style license found in the | ||
| # LICENSE file in the root directory of this source tree. | ||
| cmake_minimum_required(VERSION 3.19) | ||
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| set(CMAKE_EXPORT_COMPILE_COMMANDS ON) | ||
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| # Source root directory for executorch. | ||
| if(NOT EXECUTORCH_ROOT) | ||
| set(EXECUTORCH_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..) | ||
| endif() | ||
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| include(${EXECUTORCH_ROOT}/build/Utils.cmake) | ||
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| set(_common_include_directories ${EXECUTORCH_ROOT}/..) | ||
| set(_common_compile_options -Wno-deprecated-declarations) | ||
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| include(cmake/Dependencies.cmake) | ||
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| set(_arm_baremetal_sources backends/arm/runtime/ArmBackendEthosU.cpp) | ||
| list(TRANSFORM _arm_baremetal_sources PREPEND "${EXECUTORCH_ROOT}/") | ||
| add_library(ethos_u STATIC ${_arm_baremetal_sources}) | ||
| target_include_directories(ethos_u PUBLIC ${_common_include_directories}) | ||
| target_include_directories(ethos_u PUBLIC ${DRIVER_ETHOSU_INCLUDE_DIR}) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,12 @@ | ||
| # Copyright 2023 Arm Limited and/or its affiliates. | ||
| # | ||
| # This source code is licensed under the BSD-style license found in the | ||
| # LICENSE file in the root directory of this source tree. | ||
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| set(THIRD_PARTY_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/third-party") | ||
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| # Ethos-U driver | ||
| set(DRIVER_ETHOSU_SOURCE_DIR "${THIRD_PARTY_ROOT}/ethos-u-core-driver") | ||
| set(DRIVER_ETHOSU_INCLUDE_DIR "${THIRD_PARTY_ROOT}/ethos-u-core-driver/include") | ||
| add_subdirectory( ${DRIVER_ETHOSU_SOURCE_DIR} ) | ||
| include_directories( ${DRIVER_ETHOSU_INCLUDE_DIR} ) |
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| Original file line number | Diff line number | Diff line change |
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| # Copyright 2023 Arm Limited and/or its affiliates. | ||
| # | ||
| # This source code is licensed under the BSD-style license found in the | ||
| # LICENSE file in the root directory of this source tree. | ||
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| set(TARGET_CPU "cortex-m4" CACHE STRING "Target CPU") | ||
| string(TOLOWER ${TARGET_CPU} CMAKE_SYSTEM_PROCESSOR) | ||
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| set(CMAKE_SYSTEM_NAME Generic) | ||
| set(CMAKE_C_COMPILER "arm-none-eabi-gcc") | ||
| set(CMAKE_CXX_COMPILER "arm-none-eabi-g++") | ||
| set(CMAKE_ASM_COMPILER "arm-none-eabi-gcc") | ||
| set(CMAKE_LINKER "arm-none-eabi-ld") | ||
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| set(CMAKE_EXECUTABLE_SUFFIX ".elf") | ||
| set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY) | ||
| set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) | ||
| set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) | ||
| set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) | ||
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| # Select C/C++ version | ||
| set(CMAKE_C_STANDARD 11) | ||
| set(CMAKE_CXX_STANDARD 14) | ||
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| set(GCC_CPU ${CMAKE_SYSTEM_PROCESSOR}) | ||
| string(REPLACE "cortex-m85" "cortex-m55" GCC_CPU ${GCC_CPU}) | ||
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| # Compile options | ||
| add_compile_options( | ||
| -mcpu=${GCC_CPU} | ||
| -mthumb | ||
| "$<$<CONFIG:DEBUG>:-gdwarf-3>" | ||
| "$<$<COMPILE_LANGUAGE:CXX>:-fno-unwind-tables;-fno-rtti;-fno-exceptions>" | ||
| -fdata-sections | ||
| -ffunction-sections) | ||
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| # Compile defines | ||
| add_compile_definitions( | ||
| "$<$<NOT:$<CONFIG:DEBUG>>:NDEBUG>") | ||
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| # Link options | ||
| add_link_options( | ||
| -mcpu=${GCC_CPU} | ||
| -mthumb | ||
| --specs=nosys.specs) | ||
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| # Set floating point unit | ||
| if(CMAKE_SYSTEM_PROCESSOR MATCHES "\\+fp") | ||
| set(FLOAT hard) | ||
| elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "\\+nofp") | ||
| set(FLOAT soft) | ||
| elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "cortex-m33(\\+|$)" OR | ||
| CMAKE_SYSTEM_PROCESSOR MATCHES "cortex-m55(\\+|$)" OR | ||
| CMAKE_SYSTEM_PROCESSOR MATCHES "cortex-m85(\\+|$)") | ||
| set(FLOAT hard) | ||
| elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "cortex-m4(\\+|$)" OR | ||
| CMAKE_SYSTEM_PROCESSOR MATCHES "cortex-m7(\\+|$)") | ||
| set(FLOAT hard) | ||
| set(FPU_CONFIG "fpv4-sp-d16") | ||
| add_compile_options(-mfpu=${FPU_CONFIG}) | ||
| add_link_options(-mfpu=${FPU_CONFIG}) | ||
| else() | ||
| set(FLOAT soft) | ||
| endif() | ||
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| if (FLOAT) | ||
| add_compile_options(-mfloat-abi=${FLOAT}) | ||
| add_link_options(-mfloat-abi=${FLOAT}) | ||
| endif() | ||
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| add_link_options(LINKER:--nmagic,--gc-sections) | ||
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| # Compilation warnings | ||
| add_compile_options( | ||
| # -Wall | ||
|
There was a problem hiding this comment. we (ET runtime) want to enable these eventually (or at least be cool when someone enables them) but right now we are not ready I guess |
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| # -Wextra | ||
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| # -Wcast-align | ||
| # -Wdouble-promotion | ||
| # -Wformat | ||
| # -Wmissing-field-initializers | ||
| # -Wnull-dereference | ||
| # -Wredundant-decls | ||
| # -Wshadow | ||
| # -Wswitch | ||
| # -Wswitch-default | ||
| # -Wunused | ||
| -Wno-redundant-decls | ||
| -Wno-psabi | ||
| ) | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| #!/bin/bash | ||
| # Copyright 2023 Arm Limited and/or its affiliates. | ||
| # | ||
| # This source code is licensed under the BSD-style license found in the | ||
| # LICENSE file in the root directory of this source tree. | ||
| set -e | ||
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| # | ||
| # Setup toolchain | ||
| # | ||
| BASEDIR=`realpath $(dirname "$0")` | ||
| echo "building using build.sh in $BASEDIR" | ||
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| ARCH=$(uname -i) | ||
| GCCPATH=${BASEDIR}/arm-gnu-toolchain-12.3.rel1-${ARCH}-arm-none-eabi/bin/ | ||
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| echo $GCCPATH | ||
| if test -d "${GCCPATH}"; then | ||
| echo Using exising compiler ${GCCPATH} | ||
| else | ||
| pushd ${BASEDIR}/ | ||
| ./toolchain.sh | ||
| popd | ||
| fi | ||
| export PATH=${PATH}:${GCCPATH} | ||
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| echo building with `arm-none-eabi-gcc -v 2>&1 | grep "^gcc"` | ||
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| # | ||
| # Prepare and run clean build | ||
| # | ||
| rm -rf buck-out/ build/lib/ cmake-out/ | ||
| rm -rf cmake-corstone | ||
| mkdir cmake-corstone | ||
| cd cmake-corstone | ||
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| #cmake -DBUCK2=buck2 .. | ||
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| #cmake --toolchain backends/arm/cmake/arm-none-eabi-gcc.cmake .. | ||
| cmake -DFLATC_EXECUTABLE=flatc \ | ||
| -DEXECUTORCH_BUILD_XNNPACK=OFF \ | ||
| -DEXECUTORCH_BUILD_HOST_TARGETS=OFF \ | ||
| -DEXECUTORCH_BUILD_ARM_BAREMETAL=ON \ | ||
| -DCMAKE_SYSTEM_PROCESSOR=cortex-m55+nodsp+nofp \ | ||
| -DETHOSU_TARGET_NPU_CONFIG=ethos-u55-128 \ | ||
| --toolchain backends/arm/cmake/arm-none-eabi-gcc.cmake \ | ||
| -DCMAKE_BUILD_TYPE=Release \ | ||
| -DEXECUTORCH_ENABLE_LOGGING_RELEASE_MODE=ON \ | ||
| .. | ||
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| cd .. | ||
| cmake --build cmake-corstone -j9 --target ethos_u ethosu_core_driver executorch portable_ops_lib portable_kernels |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| #!/bin/bash | ||
| # Copyright 2023 Arm Limited and/or its affiliates. | ||
| # | ||
| # This source code is licensed under the BSD-style license found in the | ||
| # LICENSE file in the root directory of this source tree. | ||
| set -e | ||
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| # Cross compiler for Arm baremetal (e.g. Corestone-300 FVP or silcon) | ||
| ARCH=$(uname -i) | ||
| curl -o gcc.tar.xz https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu/12.3.rel1/binrel/arm-gnu-toolchain-12.3.rel1-${ARCH}-arm-none-eabi.tar.xz | ||
| tar xf gcc.tar.xz | ||
| export PATH=${PATH}:`(cd arm-gnu-toolchain-12.3.rel1-aarch64-arm-none-eabi/bin/; pwd)` |
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Nice. If we are planning to have multiple delegate flavors - i.e. runtime logic - under
armname then we can do something like,