name: linux-riscv64
on:
  push:
    branches: [master]
    paths:
    - '.github/workflows/linux-riscv64.yml'
    - 'toolchains/riscv64-linux-gnu.toolchain.cmake'
    - 'toolchains/riscv64-unknown-linux-gnu.toolchain.cmake'
    - 'toolchains/riscv64-unknown-linux-gnu.llvm-toolchain.cmake'
    - 'toolchains/c906-v310.toolchain.cmake'
    - 'toolchains/c908-v310.toolchain.cmake'
    - 'toolchains/c910-v310.toolchain.cmake'
    - 'toolchains/k1.toolchain.cmake'
    - 'toolchains/k1.llvm.toolchain.cmake'
    - 'CMakeLists.txt'
    - 'cmake/**'
    - 'src/*'
    - 'src/layer/*'
    - 'src/layer/riscv/**'
    - 'tests/**'
    - 'examples/**'
    - 'benchmark/**'
    - '!benchmark/README.md'
  pull_request:
    branches: [master]
    paths:
    - '.github/workflows/linux-riscv64.yml'
    - 'toolchains/riscv64-linux-gnu.toolchain.cmake'
    - 'toolchains/riscv64-unknown-linux-gnu.toolchain.cmake'
    - 'toolchains/riscv64-unknown-linux-gnu.llvm-toolchain.cmake'
    - 'toolchains/c906-v310.toolchain.cmake'
    - 'toolchains/c908-v310.toolchain.cmake'
    - 'toolchains/c910-v310.toolchain.cmake'
    - 'toolchains/k1.toolchain.cmake'
    - 'toolchains/k1.llvm.toolchain.cmake'
    - 'CMakeLists.txt'
    - 'cmake/**'
    - 'src/*'
    - 'src/layer/*'
    - 'src/layer/riscv/**'
    - 'tests/**'
    - 'examples/**'
    - 'benchmark/**'
    - '!benchmark/README.md'
concurrency:
  group: linux-riscv64-${{ github.ref }}
  cancel-in-progress: true
permissions:
  contents: read

jobs:
  gcc-riscv64:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v7

    - name: cache-qemu
      id: cache-qemu
      uses: actions/cache@v6
      with:
        path: qemu-install
        key: qemu-riscv64-install-20220502-4
    - name: install-qemu-build-deps
      if: steps.cache-qemu.outputs.cache-hit != 'true'
      run: |
        sudo apt-get update
        sudo apt-get install autoconf automake autotools-dev ninja-build build-essential pkg-config libglib2.0-dev libpixman-1-dev zlib1g-dev python3
    - name: checkout-qemu
      if: steps.cache-qemu.outputs.cache-hit != 'true'
      uses: actions/checkout@v7
      with:
        repository: qemu/qemu
        path: qemu
        ref: f5643914a9e8f79c606a76e6a9d7ea82a3fc3e65
    - name: qemu
      if: steps.cache-qemu.outputs.cache-hit != 'true'
      run: |
        cd qemu
        wget https://raw.githubusercontent.com/nihui/ncnn-assets/master/qemu-patches/0007-linux-user-Expose-risc-v-V-isa-bit-in-get_elf_hwcap.patch
        patch -p1 -i 0007-linux-user-Expose-risc-v-V-isa-bit-in-get_elf_hwcap.patch
        ./configure --prefix=$GITHUB_WORKSPACE/qemu-install --target-list=riscv64-linux-user --disable-system
        make -j$(nproc)
        make install

    - name: riscv64-gnu-toolchain
      run: |
        sudo apt-get update
        sudo apt-get install g++-riscv64-linux-gnu

    - name: configure
      run: mkdir build && cd build && cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/riscv64-linux-gnu.toolchain.cmake -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF -DNCNN_BUILD_TESTS=ON ..
    - name: build
      run: cmake --build build -j $(nproc)

    - name: test
      run: |
        export PATH=$GITHUB_WORKSPACE/qemu-install/bin:$PATH
        cd build
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-L;/usr/riscv64-linux-gnu" ctest --output-on-failure -j $(nproc)

  xuantie:
    name: xuantie-${{ matrix.cpu }}
    runs-on: [self-hosted, linux, ubuntu]
    strategy:
      fail-fast: false
      matrix:
        include:
          - { cpu: c906, QEMU_CPU: c906fdv, OPENMP: OFF, RVV: OFF, XTHEADVECTOR: ON,  ZFH: ON, ZVFH: OFF }
          - { cpu: c910, QEMU_CPU: c910v,   OPENMP: ON,  RVV: OFF, XTHEADVECTOR: ON,  ZFH: ON, ZVFH: OFF }
          - { cpu: c908, QEMU_CPU: c908v,   OPENMP: ON,  RVV: ON,  XTHEADVECTOR: OFF, ZFH: ON, ZVFH: ON  }
          - { cpu: c907, QEMU_CPU: c907fdv-rv64,   OPENMP: ON,  RVV: ON,  XTHEADVECTOR: OFF, ZFH: ON, ZVFH: ON  }

    steps:
    - uses: actions/checkout@v7

    - name: build
      run: |
        export RISCV_ROOT_PATH=/data/action/osd/Xuantie-900-gcc-linux-6.6.36-glibc-x86_64-V3.4.0
        mkdir build && cd build
        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/${{ matrix.cpu }}-v310.toolchain.cmake -DCMAKE_BUILD_TYPE=release \
            -DNCNN_OPENMP=${{ matrix.OPENMP }} -DNCNN_THREADS=${{ matrix.OPENMP }} \
            -DNCNN_RUNTIME_CPU=OFF \
            -DNCNN_RVV=${{ matrix.RVV }} \
            -DNCNN_XTHEADVECTOR=${{ matrix.XTHEADVECTOR }} \
            -DNCNN_ZFH=${{ matrix.ZFH }} \
            -DNCNN_ZVFH=${{ matrix.ZVFH }} \
            -DNCNN_SIMPLEOCV=ON -DNCNN_BUILD_EXAMPLES=ON -DNCNN_BUILD_TESTS=ON ..
        cmake --build . -j 8

    - name: test
      run: |
        export PATH=/data/action/osd/xuantie-qemu-x86_64-Ubuntu-20.04-V5.4.1/bin:$PATH
        cd build
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-cpu;${{ matrix.QEMU_CPU }}" ctest --output-on-failure -j 8

  spacemit:
    name: spacemit-${{ matrix.cpu }}
    runs-on: [self-hosted, linux, ubuntu]
    strategy:
      fail-fast: false
      matrix:
        include:
          - { cpu: x60, QEMU_CPU: "max,vlen=256,elen=64,vext_spec=v1.0", OPENMP: ON, RVV: ON, XTHEADVECTOR: OFF, ZFH: ON, ZVFH: ON }

    steps:
    - uses: actions/checkout@v7

    # https://archive.spacemit.com/toolchain/spacemit-toolchain-linux-glibc-x86_64-v1.2.4.tar.xz
    - name: build-gcc
      run: |
        export RISCV_ROOT_PATH=/data/action/osd/spacemit-toolchain-linux-glibc-x86_64-v1.2.4
        mkdir build-gcc && cd build-gcc
        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/k1.toolchain.cmake -DCMAKE_BUILD_TYPE=release \
            -DNCNN_OPENMP=${{ matrix.OPENMP }} -DNCNN_THREADS=${{ matrix.OPENMP }} \
            -DNCNN_RUNTIME_CPU=OFF \
            -DNCNN_RVV=${{ matrix.RVV }} \
            -DNCNN_XTHEADVECTOR=${{ matrix.XTHEADVECTOR }} \
            -DNCNN_ZFH=${{ matrix.ZFH }} \
            -DNCNN_ZVFH=${{ matrix.ZVFH }} \
            -DNCNN_SIMPLEOCV=ON -DNCNN_BUILD_EXAMPLES=ON -DNCNN_BUILD_TESTS=ON ..
        cmake --build . -j 8

    - name: build-llvm
      run: |
        export RISCV_ROOT_PATH=/data/action/osd/spacemit-toolchain-linux-glibc-x86_64-v1.2.4
        mkdir build-llvm && cd build-llvm
        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/k1.llvm.toolchain.cmake -DCMAKE_BUILD_TYPE=release \
            -DNCNN_OPENMP=${{ matrix.OPENMP }} -DNCNN_THREADS=${{ matrix.OPENMP }} \
            -DNCNN_RUNTIME_CPU=OFF \
            -DNCNN_RVV=${{ matrix.RVV }} \
            -DNCNN_XTHEADVECTOR=${{ matrix.XTHEADVECTOR }} \
            -DNCNN_ZFH=${{ matrix.ZFH }} \
            -DNCNN_ZVFH=${{ matrix.ZVFH }} \
            -DNCNN_SIMPLEOCV=ON -DNCNN_BUILD_EXAMPLES=ON -DNCNN_BUILD_TESTS=ON ..
        cmake --build . -j 8

    # https://archive.spacemit.com/spacemit-ai/qemu/jdsk-qemu-v10.0.2.tar.gz
    - name: test-gcc
      run: |
        export RISCV_ROOT_PATH=/data/action/osd/spacemit-toolchain-linux-glibc-x86_64-v1.2.4
        export PATH=/data/action/osd/jdsk-qemu/bin:$PATH
        cd build-gcc
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-cpu;${{ matrix.QEMU_CPU }};-L;${RISCV_ROOT_PATH}/sysroot" ctest --output-on-failure -j 8

    - name: test-llvm
      run: |
        export RISCV_ROOT_PATH=/data/action/osd/spacemit-toolchain-linux-glibc-x86_64-v1.2.4
        export PATH=/data/action/osd/jdsk-qemu/bin:$PATH
        cd build-llvm
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-cpu;${{ matrix.QEMU_CPU }};-L;${RISCV_ROOT_PATH}/sysroot" ctest --output-on-failure -j 8

  gcc-rvv:
    runs-on: [self-hosted, linux, ubuntu]
    steps:
    - uses: actions/checkout@v7

    #- name: cache-qemu
      #id: cache-qemu
      #uses: actions/cache@v6
      #with:
        #path: qemu-install
        #key: qemu-riscv64-install-20241202
    #- name: install-qemu-build-deps
      #if: steps.cache-qemu.outputs.cache-hit != 'true'
      #run: |
        #sudo apt-get update
        #sudo apt-get install autoconf automake autotools-dev ninja-build
    #- name: checkout-qemu
      #if: steps.cache-qemu.outputs.cache-hit != 'true'
      #uses: actions/checkout@v7
      #with:
        #repository: qemu/qemu
        #path: qemu
        #ref: 72b88908d12ee9347d13539c7dd9a252625158d1
    #- name: qemu
      #if: steps.cache-qemu.outputs.cache-hit != 'true'
      #run: |
        #cd qemu
        #./configure --prefix=$GITHUB_WORKSPACE/qemu-install --target-list=riscv64-linux-user --disable-system
        #make -j4
        #make install

    # https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2026.05.19/riscv64-glibc-ubuntu-22.04-llvm.tar.xz
    - name: build
      run: |
        export RISCV_ROOT_PATH=/data/action/osd/riscv
        mkdir build && cd build
        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/riscv64-unknown-linux-gnu.toolchain.cmake -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF -DNCNN_BUILD_TESTS=ON ..
        cmake --build . -j 8

    - name: test-vlen256
      run: |
        export PATH=/data/action/osd/qemu-install/bin:$PATH
        cd build
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-cpu;rv64,v=true,zfh=true,zvfh=true,vlen=256,elen=64,vext_spec=v1.0;-L;/data/action/osd/riscv/sysroot" ctest --output-on-failure -j 8

    - name: test-vlen128
      run: |
        export PATH=/data/action/osd/qemu-install/bin:$PATH
        cd build
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-cpu;rv64,v=true,zfh=true,zvfh=true,vlen=128,elen=64,vext_spec=v1.0;-L;/data/action/osd/riscv/sysroot" ctest --output-on-failure -j 8

  clang-rvv:
    runs-on: [self-hosted, linux, ubuntu]
    steps:
    - uses: actions/checkout@v7

    #- name: cache-qemu
      #id: cache-qemu
      #uses: actions/cache@v6
      #with:
        #path: qemu-install
        #key: qemu-riscv64-install-20241202
    #- name: install-qemu-build-deps
      #if: steps.cache-qemu.outputs.cache-hit != 'true'
      #run: |
        #sudo apt-get update
        #sudo apt-get install autoconf automake autotools-dev ninja-build
    #- name: checkout-qemu
      #if: steps.cache-qemu.outputs.cache-hit != 'true'
      #uses: actions/checkout@v7
      #with:
        #repository: qemu/qemu
        #path: qemu
        #ref: 72b88908d12ee9347d13539c7dd9a252625158d1
    #- name: qemu
      #if: steps.cache-qemu.outputs.cache-hit != 'true'
      #run: |
        #cd qemu
        #./configure --prefix=$GITHUB_WORKSPACE/qemu-install --target-list=riscv64-linux-user --disable-system
        #make -j4
        #make install

    # https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2026.05.19/riscv64-glibc-ubuntu-22.04-llvm.tar.xz
    - name: build
      run: |
        export RISCV_ROOT_PATH=/data/action/osd/riscv
        mkdir build && cd build
        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/riscv64-unknown-linux-gnu.llvm-toolchain.cmake -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF -DNCNN_BUILD_TESTS=ON ..
        cmake --build . -j 8

    - name: test-vlen256
      run: |
        export PATH=/data/action/osd/qemu-install/bin:$PATH
        cd build
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-cpu;rv64,v=true,zfh=true,zvfh=true,vlen=256,elen=64,vext_spec=v1.0;-L;/data/action/osd/riscv/sysroot" ctest --output-on-failure -j 8

    - name: test-vlen128
      run: |
        export PATH=/data/action/osd/qemu-install/bin:$PATH
        cd build
        TESTS_EXECUTABLE_LOADER=qemu-riscv64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-cpu;rv64,v=true,zfh=true,zvfh=true,vlen=128,elen=64,vext_spec=v1.0;-L;/data/action/osd/riscv/sysroot" ctest --output-on-failure -j 8