diff --git a/.github/workflows/riscv64-linux.yaml b/.github/workflows/riscv64-linux.yaml
new file mode 100644
index 000000000..04d196a8f
--- /dev/null
+++ b/.github/workflows/riscv64-linux.yaml
@@ -0,0 +1,205 @@
+name: riscv64-linux
+
+on:
+ push:
+ branches:
+ - master
+ paths:
+ - '.github/workflows/riscv64-linux.yaml'
+ - 'CMakeLists.txt'
+ - 'cmake/**'
+ - 'sherpa-onnx/csrc/*'
+ - 'toolchains/riscv64-linux-gnu.toolchain.cmake'
+ - 'build-riscv64-linux-gnu.sh'
+ tags:
+ - '*'
+ pull_request:
+ branches:
+ - master
+ paths:
+ - '.github/workflows/riscv64-linux.yaml'
+ - 'CMakeLists.txt'
+ - 'cmake/**'
+ - 'sherpa-onnx/csrc/*'
+ - 'toolchains/riscv64-linux-gnu.toolchain.cmake'
+ - 'build-riscv64-linux-gnu.sh'
+
+ workflow_dispatch:
+
+concurrency:
+ group: riscv64-linux-${{ github.ref }}
+ cancel-in-progress: true
+
+jobs:
+ riscv64_linux:
+ runs-on: ${{ matrix.os }}
+ name: ${{ matrix.os }} ${{ matrix.lib_type }}
+ strategy:
+ fail-fast: false
+ matrix:
+ os: [ubuntu-latest]
+ lib_type: [static, shared]
+
+ steps:
+ - uses: actions/checkout@v4
+ with:
+ fetch-depth: 0
+
+ - name: ccache
+ uses: hendrikmuhs/ccache-action@v1.2
+ with:
+ key: ${{ matrix.os }}-riscv64-${{ matrix.lib_type }}
+
+ - name: cache-qemu
+ id: cache-qemu
+ uses: actions/cache@v4
+ with:
+ path: qemu-install
+ key: qemu-riscv-install-20240225
+
+ - 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@v3
+ with:
+ repository: qemu/qemu
+ path: qemu
+
+ - 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 -j2
+ make install
+ ls -lh $GITHUB_WORKSPACE/qemu-install
+ ls -lh $GITHUB_WORKSPACE/qemu-install/bin
+
+ - name: cache-toolchain
+ id: cache-toolchain
+ uses: actions/cache@v4
+ with:
+ path: toolchain
+ key: riscv64-glibc-ubuntu-20.04-gcc-nightly-2023.10.17-nightly
+
+ - name: Download toolchain
+ if: steps.cache-toolchain.outputs.cache-hit != 'true'
+ shell: bash
+ run: |
+ mkdir $GITHUB_WORKSPACE/toolchain
+ wget -q https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2023.10.17/riscv64-glibc-ubuntu-20.04-gcc-nightly-2023.10.17-nightly.tar.gz
+ tar xvf ./riscv64-glibc-ubuntu-20.04-gcc-nightly-2023.10.17-nightly.tar.gz --strip-components 1 -C $GITHUB_WORKSPACE/toolchain
+
+ - name: Display toolchain info
+ shell: bash
+ run: |
+ export PATH=$GITHUB_WORKSPACE/toolchain/bin:$PATH
+ riscv64-unknown-linux-gnu-gcc --version
+
+ - name: Display qemu-riscv64 -h
+ shell: bash
+ run: |
+ export PATH=$GITHUB_WORKSPACE/qemu-install/bin:$PATH
+ export QEMU_LD_PREFIX=$GITHUB_WORKSPACE/toolchain/sysroot
+ qemu-riscv64 -h
+
+ - name: build riscv64-linux
+ shell: bash
+ run: |
+ export PATH=$GITHUB_WORKSPACE/toolchain/bin:$PATH
+
+ export CMAKE_CXX_COMPILER_LAUNCHER=ccache
+ export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+
+ cmake --version
+
+ lib_type=${{ matrix.lib_type }}
+
+ if [[ $lib_type == "shared" ]]; then
+ export BUILD_SHARED_LIBS=ON
+ else
+ export BUILD_SHARED_LIBS=OFF
+ fi
+
+ ./build-riscv64-linux-gnu.sh
+
+ ls -lh build-riscv64-linux-gnu/bin
+ ls -lh build-riscv64-linux-gnu/lib
+
+ file build-riscv64-linux-gnu/bin/sherpa-onnx
+
+ - name: Test sherpa-onnx
+ shell: bash
+ run: |
+ export PATH=$GITHUB_WORKSPACE/toolchain/bin:$PATH
+ export PATH=$GITHUB_WORKSPACE/qemu-install/bin:$PATH
+ export QEMU_LD_PREFIX=$GITHUB_WORKSPACE/toolchain/sysroot
+
+ ls -lh ./build-riscv64-linux-gnu/bin
+
+ echo "----------sherpa-onnx----------"
+ qemu-riscv64 ./build-riscv64-linux-gnu/bin/sherpa-onnx --help
+ readelf -d ./build-riscv64-linux-gnu/bin/sherpa-onnx
+
+ echo "----------sherpa-onnx-offline----------"
+ qemu-riscv64 ./build-riscv64-linux-gnu/bin/sherpa-onnx-offline --help
+ readelf -d ./build-riscv64-linux-gnu/bin/sherpa-onnx-offline
+
+ echo "----------sherpa-onnx-offline-tts----------"
+ qemu-riscv64 ./build-riscv64-linux-gnu/bin/sherpa-onnx-offline-tts --help
+ readelf -d ./build-riscv64-linux-gnu/bin/sherpa-onnx-offline-tts
+
+ - name: Copy files
+ shell: bash
+ run: |
+ export PATH=$GITHUB_WORKSPACE/toolchain/bin:$PATH
+ riscv64-unknown-linux-gnu-strip --version
+
+ SHERPA_ONNX_VERSION=v$(grep "SHERPA_ONNX_VERSION" ./CMakeLists.txt | cut -d " " -f 2 | cut -d '"' -f 2)
+
+ dst=sherpa-onnx-${SHERPA_ONNX_VERSION}-linux-riscv64-${{ matrix.lib_type }}
+ mkdir $dst
+
+ ls -lh build-riscv64-linux-gnu/install/lib
+
+ cp -a build-riscv64-linux-gnu/install/bin $dst/
+ ls -lh $dst/bin/*
+ riscv64-unknown-linux-gnu-strip $dst/bin/*
+ ls -lh $dst
+
+ lib_type=${{ matrix.lib_type }}
+ if [[ $lib_type == "shared" ]]; then
+ cp -a build-riscv64-linux-gnu/install/lib $dst/
+ rm -fv $dst/lib/libasound.so
+ rm -fv $dst/lib/libonnxruntime.so
+ rm -fv $dst/lib/libsherpa-onnx-fst.so
+ fi
+
+ tree $dst
+
+ tar cjvf ${dst}.tar.bz2 $dst
+
+ - uses: actions/upload-artifact@v4
+ if: matrix.lib_type == 'shared'
+ with:
+ name: sherpa-onnx-linux-riscv64-shared
+ path: sherpa-onnx-*linux-riscv64-shared.tar.bz2
+
+ - uses: actions/upload-artifact@v4
+ if: matrix.lib_type == 'static'
+ with:
+ name: sherpa-onnx-linux-riscv64-static
+ path: sherpa-onnx-*linux-riscv64-static.tar.bz2
+
+ - name: Release pre-compiled binaries and libs for riscv64 linux ${{ matrix.lib_type }}
+ if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa' && github.event_name == 'push' && contains(github.ref, 'refs/tags/')
+ uses: svenstaro/upload-release-action@v2
+ with:
+ file_glob: true
+ overwrite: true
+ file: sherpa-onnx-*linux-riscv64*.tar.bz2
diff --git a/build-riscv64-linux-gnu.sh b/build-riscv64-linux-gnu.sh
new file mode 100755
index 000000000..96d65b446
--- /dev/null
+++ b/build-riscv64-linux-gnu.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+if ! command -v riscv64-unknown-linux-gnu-g++ &> /dev/null; then
+ echo "Please install the toolchain first."
+ echo
+ echo "You can use the following command to install the toolchain:"
+ echo
+ echo " mkdir -p $HOME/software"
+ echo " cd $HOME/software"
+ echo " mkdir riscv64-glibc-ubuntu-18.04-nightly-2022.11.12-nightly"
+ echo " cd riscv64-glibc-ubuntu-18.04-nightly-2022.11.12-nightly"
+ echo " wget https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2022.11.12/riscv64-glibc-ubuntu-18.04-nightly-2022.11.12-nightly.tar.gz"
+ echo " tar xvf riscv64-glibc-ubuntu-18.04-nightly-2022.11.12-nightly.tar.gz --strip-components=1"
+ echo " export PATH=$HOME/software/riscv64-glibc-ubuntu-18.04-nightly-2022.11.12-nightly/bin"
+ echo
+ exit 1
+fi
+
+if [ x$dir = x"" ]; then
+ dir=build-riscv64-linux-gnu
+fi
+mkdir -p $dir
+cd $dir
+
+if [ ! -f alsa-lib/src/.libs/libasound.so ]; then
+ echo "Start to cross-compile alsa-lib"
+ if [ ! -d alsa-lib ]; then
+ git clone --depth 1 https://github.com/alsa-project/alsa-lib
+ fi
+ # If it shows:
+ # ./gitcompile: line 79: libtoolize: command not found
+ # Please use:
+ # sudo apt-get install libtool m4 automake
+ #
+ pushd alsa-lib
+ CC=riscv64-unknown-linux-gnu-gcc ./gitcompile --host=riscv64-unknown-linux-gnu
+ popd
+ echo "Finish cross-compiling alsa-lib"
+fi
+
+export CPLUS_INCLUDE_PATH=$PWD/alsa-lib/include:$CPLUS_INCLUDE_PATH
+export SHERPA_ONNX_ALSA_LIB_DIR=$PWD/alsa-lib/src/.libs
+
+if [[ x"$BUILD_SHARED_LIBS" == x"" ]]; then
+ # By default, use static link
+ BUILD_SHARED_LIBS=OFF
+fi
+
+cmake \
+ -DBUILD_PIPER_PHONMIZE_EXE=OFF \
+ -DBUILD_PIPER_PHONMIZE_TESTS=OFF \
+ -DBUILD_ESPEAK_NG_EXE=OFF \
+ -DBUILD_ESPEAK_NG_TESTS=OFF \
+ -DCMAKE_INSTALL_PREFIX=./install \
+ -DCMAKE_BUILD_TYPE=Release \
+ -DBUILD_SHARED_LIBS=$BUILD_SHARED_LIBS \
+ -DSHERPA_ONNX_ENABLE_TESTS=OFF \
+ -DSHERPA_ONNX_ENABLE_PYTHON=OFF \
+ -DSHERPA_ONNX_ENABLE_CHECK=OFF \
+ -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \
+ -DSHERPA_ONNX_ENABLE_JNI=OFF \
+ -DSHERPA_ONNX_ENABLE_C_API=OFF \
+ -DSHERPA_ONNX_ENABLE_WEBSOCKET=OFF \
+ -DCMAKE_TOOLCHAIN_FILE=../toolchains/riscv64-linux-gnu.toolchain.cmake \
+ ..
+
+make VERBOSE=1 -j4
+make install/strip
+
+# Enable it if only needed
+# cp -v $SHERPA_ONNX_ALSA_LIB_DIR/libasound.so* ./install/lib/
diff --git a/cmake/onnxruntime-linux-riscv64-static.cmake b/cmake/onnxruntime-linux-riscv64-static.cmake
new file mode 100644
index 000000000..8e7c2611f
--- /dev/null
+++ b/cmake/onnxruntime-linux-riscv64-static.cmake
@@ -0,0 +1,64 @@
+# Copyright (c) 2022-2024 Xiaomi Corporation
+message(STATUS "CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}")
+message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
+
+if(NOT CMAKE_SYSTEM_NAME STREQUAL Linux)
+ message(FATAL_ERROR "This file is for Linux only. Given: ${CMAKE_SYSTEM_NAME}")
+endif()
+
+if(NOT CMAKE_SYSTEM_PROCESSOR STREQUAL riscv64)
+ message(FATAL_ERROR "This file is for riscv64 only. Given: ${CMAKE_SYSTEM_PROCESSOR}")
+endif()
+
+if(BUILD_SHARED_LIBS)
+ message(FATAL_ERROR "This file is for building static libraries. BUILD_SHARED_LIBS: ${BUILD_SHARED_LIBS}")
+endif()
+
+set(onnxruntime_URL "https://github.com/csukuangfj/onnxruntime-libs/releases/download/v1.18.0/onnxruntime-linux-riscv64-static_lib-1.18.0.zip")
+set(onnxruntime_URL2 "https://hub.nuaa.cf/csukuangfj/onnxruntime-libs/releases/download/v1.18.0/onnxruntime-linux-riscv64-static_lib-1.18.0.zip")
+set(onnxruntime_HASH "SHA256=6791d695d17118db6815364c975a9d7ea9a8909754516ed1b089fe015c20912e")
+
+# If you don't have access to the Internet,
+# please download onnxruntime to one of the following locations.
+# You can add more if you want.
+set(possible_file_locations
+ $ENV{HOME}/Downloads/onnxruntime-linux-riscv64-static_lib-1.18.0.zip
+ ${CMAKE_SOURCE_DIR}/onnxruntime-linux-riscv64-static_lib-1.18.0.zip
+ ${CMAKE_BINARY_DIR}/onnxruntime-linux-riscv64-static_lib-1.18.0.zip
+ /tmp/onnxruntime-linux-riscv64-static_lib-1.18.0.zip
+ /star-fj/fangjun/download/github/onnxruntime-linux-riscv64-static_lib-1.18.0.zip
+)
+
+foreach(f IN LISTS possible_file_locations)
+ if(EXISTS ${f})
+ set(onnxruntime_URL "${f}")
+ file(TO_CMAKE_PATH "${onnxruntime_URL}" onnxruntime_URL)
+ message(STATUS "Found local downloaded onnxruntime: ${onnxruntime_URL}")
+ set(onnxruntime_URL2)
+ break()
+ endif()
+endforeach()
+
+FetchContent_Declare(onnxruntime
+ URL
+ ${onnxruntime_URL}
+ ${onnxruntime_URL2}
+ URL_HASH ${onnxruntime_HASH}
+)
+
+FetchContent_GetProperties(onnxruntime)
+if(NOT onnxruntime_POPULATED)
+ message(STATUS "Downloading onnxruntime from ${onnxruntime_URL}")
+ FetchContent_Populate(onnxruntime)
+endif()
+message(STATUS "onnxruntime is downloaded to ${onnxruntime_SOURCE_DIR}")
+
+# for static libraries, we use onnxruntime_lib_files directly below
+include_directories(${onnxruntime_SOURCE_DIR}/include)
+
+file(GLOB onnxruntime_lib_files "${onnxruntime_SOURCE_DIR}/lib/lib*.a")
+
+set(onnxruntime_lib_files ${onnxruntime_lib_files} PARENT_SCOPE)
+
+message(STATUS "onnxruntime lib files: ${onnxruntime_lib_files}")
+install(FILES ${onnxruntime_lib_files} DESTINATION lib)
diff --git a/cmake/onnxruntime-linux-riscv64.cmake b/cmake/onnxruntime-linux-riscv64.cmake
new file mode 100644
index 000000000..748a2bb52
--- /dev/null
+++ b/cmake/onnxruntime-linux-riscv64.cmake
@@ -0,0 +1,73 @@
+# Copyright (c) 2022-2024 Xiaomi Corporation
+message(STATUS "CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}")
+message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
+
+if(NOT CMAKE_SYSTEM_NAME STREQUAL Linux)
+ message(FATAL_ERROR "This file is for Linux only. Given: ${CMAKE_SYSTEM_NAME}")
+endif()
+
+if(NOT CMAKE_SYSTEM_PROCESSOR STREQUAL riscv64)
+ message(FATAL_ERROR "This file is for riscv64 only. Given: ${CMAKE_SYSTEM_PROCESSOR}")
+endif()
+
+if(NOT BUILD_SHARED_LIBS)
+ message(FATAL_ERROR "This file is for building shared libraries. BUILD_SHARED_LIBS: ${BUILD_SHARED_LIBS}")
+endif()
+
+set(onnxruntime_URL "https://github.com/csukuangfj/onnxruntime-libs/releases/download/v1.18.0/onnxruntime-linux-riscv64-1.18.0.zip")
+set(onnxruntime_URL2 "https://hub.nuaa.cf/csukuangfj/onnxruntime-libs/releases/download/v1.18.0/onnxruntime-linux-riscv64-1.18.0.zip")
+set(onnxruntime_HASH "SHA256=87ef36dbba28ee332069e7e511dcb409913bdeeed231b45172fe200d71c690a2")
+
+# If you don't have access to the Internet,
+# please download onnxruntime to one of the following locations.
+# You can add more if you want.
+set(possible_file_locations
+ $ENV{HOME}/Downloads/onnxruntime-linux-riscv64-1.18.0.zip
+ ${CMAKE_SOURCE_DIR}/onnxruntime-linux-riscv64-1.18.0.zip
+ ${CMAKE_BINARY_DIR}/onnxruntime-linux-riscv64-1.18.0.zip
+ /tmp/onnxruntime-linux-riscv64-1.18.0.zip
+ /star-fj/fangjun/download/github/onnxruntime-linux-riscv64-1.18.0.zip
+)
+
+foreach(f IN LISTS possible_file_locations)
+ if(EXISTS ${f})
+ set(onnxruntime_URL "${f}")
+ file(TO_CMAKE_PATH "${onnxruntime_URL}" onnxruntime_URL)
+ message(STATUS "Found local downloaded onnxruntime: ${onnxruntime_URL}")
+ set(onnxruntime_URL2)
+ break()
+ endif()
+endforeach()
+
+FetchContent_Declare(onnxruntime
+ URL
+ ${onnxruntime_URL}
+ ${onnxruntime_URL2}
+ URL_HASH ${onnxruntime_HASH}
+)
+
+FetchContent_GetProperties(onnxruntime)
+if(NOT onnxruntime_POPULATED)
+ message(STATUS "Downloading onnxruntime from ${onnxruntime_URL}")
+ FetchContent_Populate(onnxruntime)
+endif()
+message(STATUS "onnxruntime is downloaded to ${onnxruntime_SOURCE_DIR}")
+
+find_library(location_onnxruntime onnxruntime
+ PATHS
+ "${onnxruntime_SOURCE_DIR}/lib"
+ NO_CMAKE_SYSTEM_PATH
+)
+
+message(STATUS "location_onnxruntime: ${location_onnxruntime}")
+
+add_library(onnxruntime SHARED IMPORTED)
+
+set_target_properties(onnxruntime PROPERTIES
+ IMPORTED_LOCATION ${location_onnxruntime}
+ INTERFACE_INCLUDE_DIRECTORIES "${onnxruntime_SOURCE_DIR}/include/onnxruntime"
+)
+
+file(GLOB onnxruntime_lib_files "${onnxruntime_SOURCE_DIR}/lib/libonnxruntime*")
+message(STATUS "onnxruntime lib files: ${onnxruntime_lib_files}")
+install(FILES ${onnxruntime_lib_files} DESTINATION lib)
diff --git a/cmake/onnxruntime.cmake b/cmake/onnxruntime.cmake
index a92ffa4eb..9dda2b148 100644
--- a/cmake/onnxruntime.cmake
+++ b/cmake/onnxruntime.cmake
@@ -6,6 +6,12 @@ function(download_onnxruntime)
message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
if(SHERPA_ONNX_ENABLE_WASM)
include(onnxruntime-wasm-simd)
+ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL riscv64)
+ if(BUILD_SHARED_LIBS)
+ include(onnxruntime-linux-riscv64)
+ else()
+ include(onnxruntime-linux-riscv64-static)
+ endif()
elseif(CMAKE_SYSTEM_NAME STREQUAL Linux AND CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
if(BUILD_SHARED_LIBS)
include(onnxruntime-linux-aarch64)
diff --git a/cmake/piper-phonemize.cmake b/cmake/piper-phonemize.cmake
index 9c0ffa4cc..4facf7e17 100644
--- a/cmake/piper-phonemize.cmake
+++ b/cmake/piper-phonemize.cmake
@@ -2,7 +2,7 @@ function(download_piper_phonemize)
include(FetchContent)
set(piper_phonemize_URL "https://github.com/csukuangfj/piper-phonemize/archive/dc6b5f4441bffe521047086930b0fc12686acd56.zip")
- set(piper_phonemize_URL2 "")
+ set(piper_phonemize_URL2 "https://hub.nuaa.cf/csukuangfj/piper-phonemize/archive/dc6b5f4441bffe521047086930b0fc12686acd56.zip")
set(piper_phonemize_HASH "SHA256=b9faa04204b1756fa455a962abb1f037041c040133d55be58d11f11ab9b3ce14")
# If you don't have access to the Internet,
diff --git a/toolchains/riscv64-linux-gnu.toolchain.cmake b/toolchains/riscv64-linux-gnu.toolchain.cmake
new file mode 100644
index 000000000..8f07b964c
--- /dev/null
+++ b/toolchains/riscv64-linux-gnu.toolchain.cmake
@@ -0,0 +1,17 @@
+# Copied from https://github.com/Tencent/ncnn/blob/master/toolchains/riscv64-linux-gnu.toolchain.cmake
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR riscv64)
+
+set(CMAKE_C_COMPILER "riscv64-unknown-linux-gnu-gcc")
+set(CMAKE_CXX_COMPILER "riscv64-unknown-linux-gnu-g++")
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+set(CMAKE_C_FLAGS "-march=rv64gc")
+set(CMAKE_CXX_FLAGS "-march=rv64gc")
+
+# cache flags
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags")