118 lines
4.3 KiB
CMake
118 lines
4.3 KiB
CMake
##===----------------------------------------------------------------------===##
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#
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# The LLVM Compiler Infrastructure
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#
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# This file is dual licensed under the MIT and the University of Illinois Open
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# Source Licenses. See LICENSE.txt for details.
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#
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##===----------------------------------------------------------------------===##
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#
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# Build a plugin for an AMDGPU machine if available.
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#
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##===----------------------------------------------------------------------===##
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################################################################################
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set(LIBOMPTARGET_BUILD_AMDGPU_PLUGIN TRUE CACHE BOOL
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"Whether to build AMDGPU plugin")
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if (NOT LIBOMPTARGET_BUILD_AMDGPU_PLUGIN)
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libomptarget_say("Not building AMDGPU NextGen offloading plugin: LIBOMPTARGET_BUILD_AMDGPU_PLUGIN is false")
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return()
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endif()
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# as of rocm-3.7, hsa is installed with cmake packages and kmt is found via hsa
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find_package(hsa-runtime64 QUIET 1.2.0 HINTS ${CMAKE_INSTALL_PREFIX} PATHS /opt/rocm)
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if(NOT (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64)|(ppc64le)|(aarch64)$" AND CMAKE_SYSTEM_NAME MATCHES "Linux"))
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libomptarget_say("Not building AMDGPU NextGen plugin: only support AMDGPU in Linux x86_64, ppc64le, or aarch64 hosts")
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return()
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endif()
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################################################################################
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# Define the suffix for the runtime messaging dumps.
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add_definitions(-DTARGET_NAME=AMDGPU)
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# Define debug prefix. TODO: This should be automatized in the Debug.h but it
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# requires changing the original plugins.
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add_definitions(-DDEBUG_PREFIX="TARGET AMDGPU RTL")
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set(LIBOMPTARGET_DLOPEN_LIBHSA OFF)
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option(LIBOMPTARGET_FORCE_DLOPEN_LIBHSA "Build with dlopened libhsa" ${LIBOMPTARGET_DLOPEN_LIBHSA})
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if (${hsa-runtime64_FOUND} AND NOT LIBOMPTARGET_FORCE_DLOPEN_LIBHSA)
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libomptarget_say("Building AMDGPU NextGen plugin linked against libhsa")
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set(LIBOMPTARGET_EXTRA_SOURCE)
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set(LIBOMPTARGET_DEP_LIBRARIES hsa-runtime64::hsa-runtime64)
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else()
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libomptarget_say("Building AMDGPU NextGen plugin for dlopened libhsa")
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include_directories(dynamic_hsa)
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set(LIBOMPTARGET_EXTRA_SOURCE dynamic_hsa/hsa.cpp)
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set(LIBOMPTARGET_DEP_LIBRARIES)
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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# On FreeBSD, the 'environ' symbol is undefined at link time, but resolved by
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# the dynamic linker at runtime. Therefore, allow the symbol to be undefined
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# when creating a shared library.
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set(LDFLAGS_UNDEFINED "-Wl,--allow-shlib-undefined")
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else()
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set(LDFLAGS_UNDEFINED "-Wl,-z,defs")
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endif()
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add_llvm_library(omptarget.rtl.amdgpu SHARED
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src/rtl.cpp
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${LIBOMPTARGET_EXTRA_SOURCE}
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ADDITIONAL_HEADER_DIRS
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${LIBOMPTARGET_INCLUDE_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}/utils
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LINK_COMPONENTS
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Support
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Object
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LINK_LIBS
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PRIVATE
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PluginCommon
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${LIBOMPTARGET_DEP_LIBRARIES}
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${OPENMP_PTHREAD_LIB}
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${LDFLAGS_UNDEFINED}
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NO_INSTALL_RPATH
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)
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if ((OMPT_TARGET_DEFAULT) AND (LIBOMPTARGET_OMPT_SUPPORT))
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target_link_libraries(omptarget.rtl.amdgpu PRIVATE OMPT)
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endif()
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if (LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
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target_link_libraries(omptarget.rtl.amdgpu PRIVATE
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"-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/../exports")
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endif()
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target_include_directories(
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omptarget.rtl.amdgpu
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PRIVATE
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${LIBOMPTARGET_INCLUDE_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}/utils
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)
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# Configure testing for the AMDGPU plugin. We will build tests if we could a
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# functional AMD GPU on the system, or if manually specifies by the user.
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option(LIBOMPTARGET_FORCE_AMDGPU_TESTS "Build AMDGPU libomptarget tests" OFF)
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if (LIBOMPTARGET_FOUND_AMDGPU_GPU OR LIBOMPTARGET_FORCE_AMDGPU_TESTS)
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# Report to the parent scope that we are building a plugin for amdgpu
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set(LIBOMPTARGET_SYSTEM_TARGETS
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"${LIBOMPTARGET_SYSTEM_TARGETS} amdgcn-amd-amdhsa" PARENT_SCOPE)
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list(APPEND LIBOMPTARGET_TESTED_PLUGINS "omptarget.rtl.amdgpu")
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set(LIBOMPTARGET_TESTED_PLUGINS "${LIBOMPTARGET_TESTED_PLUGINS}" PARENT_SCOPE)
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else()
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libomptarget_say("Not generating AMDGPU tests, no supported devices detected."
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" Use 'LIBOMPTARGET_FORCE_AMDGPU_TESTS' to override.")
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return()
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endif()
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# Install plugin under the lib destination folder.
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install(TARGETS omptarget.rtl.amdgpu LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
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set_target_properties(omptarget.rtl.amdgpu PROPERTIES
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INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/.."
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CXX_VISIBILITY_PRESET protected)
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