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ncnn/toolchains/c906.toolchain.cmake

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  1. set(CMAKE_SYSTEM_NAME Linux)

  2. set(CMAKE_SYSTEM_PROCESSOR riscv64)

  3. set(C906 True)

  4. 

  5. if(DEFINED ENV{RISCV_ROOT_PATH})

  6.     file(TO_CMAKE_PATH $ENV{RISCV_ROOT_PATH} RISCV_ROOT_PATH)

  7. else()

  8.     message(FATAL_ERROR "RISCV_ROOT_PATH env must be defined")

  9. endif()

  10. 

  11. set(RISCV_ROOT_PATH ${RISCV_ROOT_PATH} CACHE STRING "root path to riscv toolchain")

  12. 

  13. set(CMAKE_C_COMPILER "${RISCV_ROOT_PATH}/bin/riscv64-unknown-linux-gnu-gcc")

  14. set(CMAKE_CXX_COMPILER "${RISCV_ROOT_PATH}/bin/riscv64-unknown-linux-gnu-g++")

  15. 

  16. set(CMAKE_FIND_ROOT_PATH "${RISCV_ROOT_PATH}/riscv64-unknown-linux-gnu")

  17. 

  18. set(CMAKE_SYSROOT "${RISCV_ROOT_PATH}/sysroot")

  19. 

  20. set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

  21. set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)

  22. set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

  23. set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

  24. 

  25. set(CMAKE_C_FLAGS "-march=rv64gcvxtheadc -mabi=lp64d -mtune=c906 -DRVV_SPEC_0_7 -D__riscv_zfh=1 -DC906=1 -static")

  26. set(CMAKE_CXX_FLAGS "-march=rv64gcvxtheadc -mabi=lp64d -mtune=c906 -DRVV_SPEC_0_7 -D__riscv_zfh=1 -DC906=1 -static")

  27. 

  28. # cache flags

  29. set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")

  30. set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags")

  31. 

  32. # export RISCV_ROOT_PATH=/home/nihui/osd/riscv64-linux-x86_64-20210512

  33. # cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/c906.toolchain.cmake -DCMAKE_BUILD_TYPE=relwithdebinfo -DNCNN_BUILD_TESTS=ON -DNCNN_OPENMP=OFF -DNCNN_THREADS=OFF -DNCNN_RUNTIME_CPU=OFF -DNCNN_RVV=ON -DNCNN_SIMPLEOCV=ON -DNCNN_BUILD_EXAMPLES=ON ..