Add script to automatically build all programs

.gitignore

@@ -27,7 +27,7 @@
 /*/CMakeUserPresets.json
 
 # Nested build directory
-/build*
+/build*/
 /install*
 
 #==============================================================================#

build-ventus.sh

@@ -0,0 +1,180 @@
+#!/usr/bin/bash
+
+DIR=$(cd "$(dirname "${0}")" &> /dev/null && (pwd -W 2> /dev/null || pwd))
+VENTUS_BUILD_DIR=${DIR}/build
+LIBCLC_BUILD_DIR=${DIR}/build-libclc
+VENTUS_INSTALL_PREFIX=${DIR}/install
+PROGRAMS_TOBUILD=(llvm-ventus pocl ocl-icd libclc)
+
+# Helper function
+help() {
+  cat <<END
+
+Build llvm-ventus, pocl, ocl-icd, libclc programs
+Read ${DIR}/README.md to get started.
+
+Usage: ${DIR}/$(basename ${0})
+                          [--build <build programs>]
+                          [--help | -h]
+
+Options:
+  --build <build programs>
+    Chosen programs to build : llvm-ventus, pocl, ocl-icd, libclc
+    Option format : "llvm-ventus;pocl", string are seperated by semicolon
+    Default : "llvm-ventus;pocl;ocl-icd;libclc"
+
+  --help | -h
+    Print this help message and exit.
+
+END
+}
+
+# Parse command line options
+while [ $# -gt 0 ]; do
+  case $1 in
+  -h | --help)
+    help
+    exit 0
+    ;;
+
+  --build)
+    shift
+    if [ ! -z "${1}" ];then
+      PROGRAMS_TOBUILD=(${1//;/ })
+    fi
+    ;;
+
+  ?*)
+    echo "Invalid options: \"$1\" , try ${DIR}/$(basename ${0}) --help for help"
+    exit -1
+    ;;
+  esac
+  # Process next command-line option
+  shift
+done
+
+# Need to get the pocl folder from enviroment variables
+if [ -z "${POCL_DIR}" ]; then
+  POCL_DIR=${DIR}/../pocl
+fi
+if [ ! -d "${POCL_DIR}" ]; then
+  echo "pocl folder not found, please set or check!"
+  echo "Default folder is set to be $(realpath ${POCL_DIR})"
+  exit 1
+fi
+POCL_BUILD_DIR=${POCL_DIR}/build
+
+# Need to get the icd_loader folder from enviroment variables
+if [ -z "${OCL_ICD_DIR}" ]; then
+  OCL_ICD_DIR=${DIR}/../ocl-icd
+fi
+if [ ! -d "${OCL_ICD_DIR}" ]; then
+  echo "ocl icd folder not found, please set or check"
+  echo "Default folder is set to be $(realpath ${OCL_ICD_DIR})"
+  exit 1
+fi
+OCL_ICD_BUILD_DIR=${OCL_ICD_DIR}/build
+
+# Build llvm-ventus
+build_ventus() {
+  if [ ! -d "${VENTUS_BUILD_DIR}" ]; then
+    mkdir ${VENTUS_BUILD_DIR}
+  fi
+  cd ${VENTUS_BUILD_DIR}
+  cmake -G Ninja -B ${VENTUS_BUILD_DIR} ${DIR}/llvm \
+    -DLLVM_CCACHE_BUILD=ON \
+    -DLLVM_OPTIMIZED_TABLEGEN=ON \
+    -DLLVM_PARALLEL_LINK_JOBS=12 \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DLLVM_ENABLE_PROJECTS="clang;lld;libclc" \
+    -DLLVM_TARGETS_TO_BUILD="AMDGPU;X86;RISCV" \
+    -DLLVM_TARGET_ARCH=riscv32 \
+    -DBUILD_SHARED_LIBS=ON \
+    -DLLVM_BUILD_LLVM_DYLIB=ON \
+    -DCMAKE_INSTALL_PREFIX=${VENTUS_INSTALL_PREFIX}
+  ninja
+  ninja install
+}
+
+# Build pocl from THU
+build_pocl() {
+  if [ ! -d "${POCL_BUILD_DIR}" ]; then
+    mkdir ${POCL_BUILD_DIR}
+  fi
+  cd ${POCL_BUILD_DIR}
+  cmake -G Ninja -B ${POCL_BUILD_DIR} ${POCL_DIR} \
+    -DENABLE_HOST_CPU_DEVICES=OFF \
+    -DENABLE_VENTUS=ON \
+    -DENABLE_ICD=ON \
+    -DDEFAULT_ENABLE_ICD=ON \
+    -DENABLE_TESTS=OFF \
+    -DSTATIC_LLVM=OFF \
+    -DCMAKE_C_COMPILER=clang \
+    -DCMAKE_CXX_COMPILER=clang++ \
+    -DCMAKE_INSTALL_PREFIX=${VENTUS_INSTALL_PREFIX}
+  ninja
+  ninja install
+}
+
+# Build libclc for pocl
+build_libclc() {
+  if [ ! -d "${LIBCLC_BUILD_DIR}" ]; then
+    mkdir ${LIBCLC_BUILD_DIR}
+  fi
+  cd ${LIBCLC_BUILD_DIR}
+  cmake -G Ninja -B ${LIBCLC_BUILD_DIR} ${DIR}/libclc \
+    -DCMAKE_LLAsm_COMPILER_WORKS=ON \
+    -DCMAKE_CLC_COMPILER_WORKS=ON \
+    -DCMAKE_CLC_COMPILER_FORCED=ON \
+    -DCMAKE_LLAsm_FLAGS="-target riscv32 -mcpu=ventus-gpgpu" \
+    -DLIBCLC_TARGETS_TO_BUILD="riscv32--" \
+    -DCMAKE_CXX_FLAGS="-I ${DIR}/llvm/include/ -std=c++17" \
+    -DCMAKE_C_COMPILER=clang \
+    -DCMAKE_CXX_COMPILER=clang++ \
+    -DCMAKE_INSTALL_PREFIX=${VENTUS_INSTALL_PREFIX}
+  ninja
+  ninja install
+  DstDir=${VENTUS_INSTALL_PREFIX}/share/pocl
+  if [ ! -d "${DstDir}" ]; then
+    mkdir -p ${DstDir}
+  fi
+  # TODO: make this copy process done during libclc build process?
+  cp ${LIBCLC_BUILD_DIR}/riscv32--.bc ${DstDir}/kernel-riscv32.bc
+}
+
+# Build icd_loader
+build_icd_loader() {
+  cd ${OCL_ICD_DIR}
+  ./bootstrap
+  ./configure --prefix=${VENTUS_INSTALL_PREFIX}
+  make && make install
+}
+
+# Export needed path and enviroment variables
+export_elements() {
+  export PATH=${VENTUS_INSTALL_PREFIX}/bin:$PATH
+  export LD_LIBRARY_PATH=${VENTUS_INSTALL_PREFIX}/lib
+}
+
+# When no need to build llvm-ventus, export needed elements
+if [[ ! "${PROGRAMS_TOBUILD[*]}" =~ "llvm-ventus" ]];then
+  export_elements
+fi
+
+# Process build options
+for program in "${PROGRAMS_TOBUILD[@]}"
+do
+  if [ "${program}" == "llvm-ventus" ];then
+    build_ventus
+    export_elements
+  elif [ "${program}" == "pocl" ]; then
+    build_pocl
+  elif [ "${program}" == "ocl-icd" ];then
+    build_icd_loader
+  elif [ "${program}" == "libclc" ];then
+    build_libclc
+  else
+    echo "Invalid build options: \"${program}\" , try $0 --help for help"
+    exit 1
+  fi
+done

libclc/CMakeLists.txt

@@ -43,6 +43,10 @@ set( LIBCLC_TARGETS_TO_BUILD "all"
 option( ENABLE_RUNTIME_SUBNORMAL "Enable runtime linking of subnormal support."
 OFF )
 
+# This will make built library put in lib directory
+set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
+install(DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} DESTINATION ${CMAKE_INSTALL_PREFIX})
+
 find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_DIR}")
 include(AddLLVM)
 

libclc/riscv32/lib/CMakeLists.txt

@@ -6,9 +6,20 @@ set(CMAKE_ASM_COMPILER clang)
 set(CMAKE_ASM_FLAGS ${CMAKE_LLAsm_FLAGS})
 
 # workitem builtins
-add_library(workitem STATIC workitem/workitem.S)
+llvm_add_library(workitem STATIC workitem/workitem.S)
-target_include_directories(workitem PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-
 
 # crts
-add_library(crt0 OBJECT crt0.S)
+set(LIBNAME "ctr0")
+set(LIBNAME_OBJ "${LIBNAME}_obj")
+add_library(${LIBNAME_OBJ} OBJECT crt0.S)
+add_library(${LIBNAME} SHARED $<TARGET_OBJECTS:${LIBNAME_OBJ}>)
+
+target_include_directories(workitem PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+
+# Copy crt0 object library to lib folder to be automatically installed
+add_custom_command(TARGET ${LIBNAME}
+  POST_BUILD
+  COMMAND ${CMAKE_COMMAND} -E copy_if_different
+    $<TARGET_OBJECTS:${LIBNAME_OBJ}>
+    ${LLVM_LIBRARY_OUTPUT_INTDIR}/crt0.o
+)