Adapt riscv64 CI test to the current workflow.

Author: wanghan-sanechips

.github/workflows/kvrocks.yaml

@@ -223,11 +223,20 @@ jobs:
             os: ubuntu-24.04-arm
             compiler: clang
             arm_linux: true
+          - name: Ubuntu RISC-V GCC without luaJIT (QEMU)
+            os: ubuntu-24.04
+            riscv_toolchain: true
+            riscv_toolchain_url: "https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2025.07.03/riscv64-glibc-ubuntu-24.04-gcc-nightly-2025.07.03-nightly.tar.xz"
+            cmake_crosscompiling: -DCMAKE_CROSSCOMPILING=TRUE
+            cmake_system_name: -DCMAKE_SYSTEM_NAME=Linux
+            cmake_system_processor: -DCMAKE_SYSTEM_PROCESSOR=riscv64
+            without_luajit: -DENABLE_LUAJIT=OFF
 
     runs-on: ${{ matrix.os }}
     env:
       SONARCLOUD_OUTPUT_DIR: sonarcloud-data
       FORCE_JAVASCRIPT_ACTIONS_TO_NODE20: true
+      RISCV_PATH: "/opt/riscv"
     steps:
       - name: Setup macOS
         if: ${{ startsWith(matrix.os, 'macos') }}
@@ -253,6 +262,20 @@ jobs:
         if: ${{ matrix.arm_linux }}
         run: |
           sudo apt install -y git build-essential cmake libtool python3 python3-pip libssl-dev
+      - name: Setup RISC-V Toolchain
+        if: ${{ matrix.riscv_toolchain }}
+        run: |
+          sudo apt install -y wget build-essential cmake git python3 \
+            libgflags-dev libsnappy-dev zlib1g-dev liblz4-dev libzstd-dev \
+            qemu-user qemu-user-static
+          sudo mkdir -p $RISCV_PATH
+          wget "${{ matrix.riscv_toolchain_url }}" -O riscv-toolchain.tar.xz
+          sudo tar -xvf riscv-toolchain.tar.xz -C $RISCV_PATH --strip-components=1
+          sudo sed -i "s|libdir='/mnt/riscv/riscv64-unknown-linux-gnu/lib'|libdir='$RISCV_PATH/riscv64-unknown-linux-gnu/lib'|g" \
+            $RISCV_PATH/riscv64-unknown-linux-gnu/lib/libatomic.la
+          echo "PATH=$RISCV_PATH/bin:$PATH" >> $GITHUB_ENV
+          echo "LD_LIBRARY_PATH=/opt/riscv/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
+          echo "QEMU_LD_PREFIX=$RISCV_PATH/sysroot" >> $GITHUB_ENV
 
       - name: Cache redis
         id: cache-redis
@@ -298,7 +321,7 @@ jobs:
         if: ${{ matrix.sonarcloud }}
 
       - name: Build Kvrocks
-        if: ${{ !matrix.sonarcloud }}
+        if: ${{ !matrix.sonarcloud && !matrix.riscv_toolchain }}
         run: |
           ./x.py build -j$NPROC --unittest --compiler ${{ matrix.compiler }} ${{ matrix.without_jemalloc }} \
             ${{ matrix.without_luajit }} ${{ matrix.with_ninja }} ${{ matrix.with_sanitizer }} ${{ matrix.with_openssl }} \
@@ -311,6 +334,14 @@ jobs:
           cp -r build _build
           build-wrapper-linux-x86-64 --out-dir ${{ env.SONARCLOUD_OUTPUT_DIR }} ./x.py build -j$NPROC --unittest --compiler ${{ matrix.compiler }} ${{ matrix.sonarcloud }}
 
+      - name: Build Kvrocks (RISC-V)
+        if: ${{ matrix.riscv_toolchain }}
+        run: |
+          CC=riscv64-unknown-linux-gnu-gcc \
+          CXX=riscv64-unknown-linux-gnu-g++ \
+          ./x.py build -j$NPROC --unittest ${{ matrix.cmake_crosscompiling }} ${{ matrix.cmake_system_name }} \
+            ${{ matrix.cmake_system_processor }} ${{ matrix.without_luajit }}
+
       - name: Setup Coredump
         if: ${{ startsWith(matrix.os, 'ubuntu') }}
         run: |
@@ -325,6 +356,7 @@ jobs:
           ./x.py test cpp
 
       - name: Run Go Integration Cases
+        if: ${{ !matrix.riscv_toolchain }}
         run: |
           ulimit -c unlimited
           export LSAN_OPTIONS="suppressions=$(realpath ./tests/lsan-suppressions)"

CMakeLists.txt

@@ -16,6 +16,12 @@
 # under the License.
 
 cmake_minimum_required(VERSION 3.16)
+if(DEFINED ENV{RISCV_CROSSCOMPILE})
+    set(CMAKE_SYSTEM_NAME Linux CACHE STRING "")
+    set(CMAKE_SYSTEM_PROCESSOR riscv64 CACHE STRING "")
+    set(CMAKE_CROSSCOMPILING TRUE CACHE BOOL "")
+endif()
+
 project(kvrocks
         DESCRIPTION "NoSQL which is based on RocksDB and compatible with the Redis protocol"
         LANGUAGES C CXX)
@@ -29,6 +35,9 @@ option(ENABLE_UBSAN "enable undefined behavior sanitizer" OFF)
 option(ASAN_WITH_LSAN "enable leak sanitizer while address sanitizer is enabled" ON)
 option(ENABLE_STATIC_LIBSTDCXX "link kvrocks with static library of libstd++ instead of shared library" ON)
 option(ENABLE_LUAJIT "enable use of luaJIT instead of lua" ON)
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
+    set(ENABLE_LUAJIT OFF)
+endif()
 option(ENABLE_OPENSSL "enable openssl to support tls connection" OFF)
 option(ENABLE_LTO "enable link-time optimization" ON)
 set(SYMBOLIZE_BACKEND "" CACHE STRING "symbolization backend library for cpptrace (libbacktrace, libdwarf, or empty)")

cmake/jemalloc.cmake

@@ -40,10 +40,21 @@ FetchContent_GetProperties(jemalloc)
 if(NOT jemalloc_POPULATED)
   FetchContent_Populate(jemalloc)
 
+  if(CMAKE_CROSSCOMPILING AND CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
+    message(STATUS "Configuring jemalloc for RISC-V cross-compilation")
+    set(JEMALLOC_CROSS_FLAGS
+      "--host=riscv64-unknown-linux-gnu"
+      "--build=${CMAKE_HOST_SYSTEM_PROCESSOR}-pc-linux-gnu"
+      "--with-lg-vaddr=48"
+      )
+  else()
+    set(JEMALLOC_CROSS_FLAGS "")
+  endif()
+
   execute_process(COMMAND autoconf
     WORKING_DIRECTORY ${jemalloc_SOURCE_DIR}
   )
-  execute_process(COMMAND ${jemalloc_SOURCE_DIR}/configure CC=${CMAKE_C_COMPILER} -C --enable-autogen
+  execute_process(COMMAND ${jemalloc_SOURCE_DIR}/configure CC=${CMAKE_C_COMPILER} -C ${JEMALLOC_CROSS_FLAGS} --enable-autogen
                     --disable-shared --disable-libdl ${DISABLE_CACHE_OBLIVIOUS} ${ENABLE_JEMALLOC_PROFILING}
                     --with-jemalloc-prefix=""
     WORKING_DIRECTORY ${jemalloc_BINARY_DIR}

cmake/rocksdb.cmake

@@ -54,6 +54,9 @@ FetchContent_MakeAvailableWithArgs(rocksdb
   PORTABLE=${PORTABLE}
 )
 
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
+    target_compile_options(rocksdb PRIVATE "-march=rv64gc")
+endif()
 add_library(rocksdb_with_headers INTERFACE)
 target_include_directories(rocksdb_with_headers INTERFACE ${rocksdb_SOURCE_DIR}/include)
 target_link_libraries(rocksdb_with_headers INTERFACE rocksdb)

cmake/tbb.cmake

@@ -20,8 +20,8 @@ include_guard()
 include(cmake/utils.cmake)
 
 FetchContent_DeclareGitHubWithMirror(tbb
-  uxlfoundation/oneTBB v2022.2.0
-  MD5=b00d733b2adf0fba1d33855689631b4d
+  uxlfoundation/oneTBB v2022.1.0
+  MD5=4a8940795f7e414727a1c443b94fd686
 )
 
 FetchContent_MakeAvailableWithArgs(tbb