Opensource ML embedded evaluation kit
Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
diff --git a/scripts/cmake/bare-metal-toolchain.cmake b/scripts/cmake/bare-metal-toolchain.cmake
new file mode 100644
index 0000000..5d91b98
--- /dev/null
+++ b/scripts/cmake/bare-metal-toolchain.cmake
@@ -0,0 +1,65 @@
+#----------------------------------------------------------------------------
+# Copyright (c) 2021 Arm Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#----------------------------------------------------------------------------
+# specify the cross compiler
+set(CMAKE_C_COMPILER armclang)
+set(CMAKE_CXX_COMPILER armclang)
+set(CMAKE_C_LINKER_PREFERENCE armlink)
+set(CMAKE_ASM_LINKER_PREFERENCE armlink)
+set(CMAKE_ASM_COMPILER armasm)
+set(CMAKE_ASM_COMPILER_AR armar)
+
+set(CMAKE_CROSSCOMPILING true)
+set(CMAKE_SYSTEM_NAME Generic)
+
+set(MIN_ARM_CLANG_VERSION 6.14)
+
+if (NOT DEFINED CMAKE_SYSTEM_PROCESSOR)
+ set(CMAKE_SYSTEM_PROCESSOR cortex-m55)
+endif()
+
+# Skip compiler test execution
+set(CMAKE_C_COMPILER_WORKS 1)
+set(CMAKE_CXX_COMPILER_WORKS 1)
+
+set(PLATFORM_HAL 1)
+
+set(WARNING_OPTS "-Wall -Wextra -Wvla")
+set(SPECIAL_OPTS "-fno-rtti -funsigned-char -fno-function-sections -fno-exceptions")
+set(PLATFORM_FLAGS "-mthumb --target=arm-arm-non-eabi -mlittle-endian -DPLATFORM_HAL=${PLATFORM_HAL}")
+
+set(CMAKE_C_FLAGS_DEBUG "-DDEBUG -O0")
+set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG -O3")
+
+set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG -O0")
+set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3")
+
+if (CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m55)
+ # Flags for cortex-m55
+ set(CPU_CORTEX_M55 1)
+ set(CPU_CC "-mcpu=cortex-m55 -mfloat-abi=hard -MD -DCPU_CORTEX_M55=1 -DARM_MATH_DSP -DARM_MATH_LOOPUNROLL -D__FPU_USED=1")
+ set(CPU_LD "--cpu=8.1-M.Main.dsp")
+elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m33)
+ # Flags for cortex-m33 to go here
+endif()
+
+set(ALL_COMMON_FLAGS "${CPU_CC} ${WARNING_OPTS} ${SPECIAL_OPTS} ${PLATFORM_FLAGS}")
+
+function(enforce_compiler_version)
+ if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${MIN_ARM_CLANG_VERSION})
+ message( FATAL_ERROR "Arm compiler version must be ${MIN_ARM_CLANG_VERSION} or greater to support ${CMAKE_SYSTEM_PROCESSOR} architecture." )
+ endif()
+endfunction()