Risc-v toolchain (#13897)

openvinotoolkit · Nov 8, 2022 · b210b19 · b210b19
1 parent 3ea77b9
commit b210b19
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Showing 3 changed files with 105 additions and 1 deletion.
diff --git a/cmake/developer_package/target_flags.cmake b/cmake/developer_package/target_flags.cmake
@@ -53,6 +53,8 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm64.*|aarch64.*|AARCH64.*)")
   set(AARCH64 ON)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
   set(ARM ON)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^riscv64$")
+  set(RISCV64 ON)
 endif()
 
 if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
@@ -63,6 +65,8 @@ elseif(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^(arm64.*|aarch64.*|AARCH64.*)")
   set(HOST_AARCH64 ON)
 elseif(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
   set(HOST_ARM ON)
+elseif(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
+  set(HOST_RISCV64 ON)
 endif()
 
 if(UNIX AND NOT APPLE)

diff --git a/cmake/features.cmake b/cmake/features.cmake
@@ -102,7 +102,7 @@ else()
     set(ENABLE_INTEL_MYRIAD_DEFAULT ON)
 endif()
 
-ie_dependent_option (ENABLE_INTEL_MYRIAD "myriad targeted plugin for inference engine" ${ENABLE_INTEL_MYRIAD_DEFAULT} "ENABLE_INTEL_MYRIAD_COMMON" OFF)
+ie_dependent_option (ENABLE_INTEL_MYRIAD "myriad targeted plugin for inference engine" ${ENABLE_INTEL_MYRIAD_DEFAULT} "NOT RISCV64;ENABLE_INTEL_MYRIAD_COMMON" OFF)
 
 ie_dependent_option (ENABLE_MYRIAD_NO_BOOT "myriad plugin will skip device boot" OFF "ENABLE_INTEL_MYRIAD" OFF)
 

diff --git a/cmake/toolchains/riscv64-gnu.toolchain.cmake b/cmake/toolchains/riscv64-gnu.toolchain.cmake
@@ -0,0 +1,100 @@
+# Copyright (C) 2018-2022 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+#
+
+# NOTE: use with the following docker image https://github.com/Incarnation-p-lee/riscv-docker-emulator#llvm-clang-tool-chain
+
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR riscv64)
+
+set(RISCV_TOOLCHAIN_ROOT "/opt/riscv/gnu-toolchain/rv64-linux" CACHE PATH "Path to CLANG for RISC-V cross compiler build directory")
+set(CMAKE_SYSROOT "${RISCV_TOOLCHAIN_ROOT}/sysroot" CACHE PATH "RISC-V sysroot")
+
+set(CMAKE_C_COMPILER_TARGET riscv64-unknown-linux-gnu)
+set(CMAKE_CXX_COMPILER_TARGET riscv64-unknown-linux-gnu)
+
+set(CMAKE_C_COMPILER ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-gcc)
+set(CMAKE_CXX_COMPILER ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-g++)
+set(CMAKE_STRIP ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-strip)
+set(CMAKE_AR ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-gcc-ar)
+set(CMAKE_RANLIB ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-ranlib)
+set(CMAKE_ADDR2LINE ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-addr2line)
+set(CMAKE_NM ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-nm)
+set(CMAKE_LINKER ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-ld)
+set(CMAKE_OBJCOPY ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-objcopy)
+set(CMAKE_OBJDUMP ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-objdump)
+set(CMAKE_READELF ${RISCV_TOOLCHAIN_ROOT}/bin/riscv64-unknown-linux-gnu-readelf)
+set(PKG_CONFIG_EXECUTABLE "NOT-FOUND" CACHE PATH "Path to ARM64 pkg-config")
+
+# Don't run the linker on compiler check
+set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+
+set(CMAKE_SHARED_LINKER_FLAGS_INIT "-L${CMAKE_SYSROOT}/lib")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-L${CMAKE_SYSROOT}/lib")
+set(CMAKE_MODULE_LINKER_FLAGS_INIT "-L${CMAKE_SYSROOT}/lib")
+
+set(CMAKE_C_STANDARD_LIBRARIES_INIT "-latomic" CACHE STRING "" FORCE)
+set(CMAKE_CXX_STANDARD_LIBRARIES_INIT "-latomic" CACHE STRING "" FORCE)
+
+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_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+macro(__cmake_find_root_save_and_reset)
+    foreach(v
+            CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
+            CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
+            CMAKE_FIND_ROOT_PATH_MODE_PACKAGE
+            CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
+            )
+        set(__save_${v} ${${v}})
+        set(${v} NEVER)
+    endforeach()
+endmacro()
+
+macro(__cmake_find_root_restore)
+    foreach(v
+            CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
+            CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
+            CMAKE_FIND_ROOT_PATH_MODE_PACKAGE
+            CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
+            )
+        set(${v} ${__save_${v}})
+        unset(__save_${v})
+    endforeach()
+endmacro()
+
+# macro to find programs on the host OS
+macro(find_host_program)
+    __cmake_find_root_save_and_reset()
+    if(CMAKE_HOST_WIN32)
+        SET(WIN32 1)
+        SET(UNIX)
+    elseif(CMAKE_HOST_APPLE)
+        SET(APPLE 1)
+        SET(UNIX)
+    endif()
+    find_program(${ARGN})
+    SET(WIN32)
+    SET(APPLE)
+    SET(UNIX 1)
+    __cmake_find_root_restore()
+endmacro()
+
+# macro to find packages on the host OS
+macro(find_host_package)
+    __cmake_find_root_save_and_reset()
+    if(CMAKE_HOST_WIN32)
+        SET(WIN32 1)
+        SET(UNIX)
+    elseif(CMAKE_HOST_APPLE)
+        SET(APPLE 1)
+        SET(UNIX)
+    endif()
+    find_package(${ARGN})
+    SET(WIN32)
+    SET(APPLE)
+    SET(UNIX 1)
+    __cmake_find_root_restore()
+endmacro()