Adding toolchain files

Change-Id: I01a450a0e79cbadf88a5cfe061eb3156b4ccff75

2 files changed, 151 insertions, 0 deletions

diff --git a/cmake/toolchain/arm-none-eabi-gcc.cmake b/cmake/toolchain/arm-none-eabi-gcc.cmake
new file mode 100644
index 0000000..8a4ac20
--- /dev/null
+++ b/cmake/toolchain/arm-none-eabi-gcc.cmake
@@ -0,0 +1,81 @@
+#
+# Copyright (c) 2019-2020 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
+#
+# 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.
+#
+
+if (__TOOLCHAIN_LOADED)
+    return()
+endif()
+set(__TOOLCHAIN_LOADED TRUE)
+
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_C_COMPILER "arm-none-eabi-gcc")
+set(CMAKE_CXX_COMPILER "arm-none-eabi-g++")
+set(CMAKE_SYSTEM_PROCESSOR "cortex-m33+nodsp" CACHE STRING "Select Cortex-M architure. (cortex-m0, cortex-m3, cortex-m33, cortex-m4, cortex-m55, cortex-m7, etc)")
+
+set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+
+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_C_STANDARD 99)
+set(CMAKE_CXX_STANDARD 11)
+
+# The system processor could for example be set to cortex-m33+nodsp+nofp.
+set(__CPU_COMPILE_TARGET ${CMAKE_SYSTEM_PROCESSOR})
+string(REPLACE "+" ";" __CPU_FEATURES ${__CPU_COMPILE_TARGET})
+list(POP_FRONT __CPU_FEATURES CMAKE_SYSTEM_PROCESSOR)
+
+string(FIND ${__CPU_COMPILE_TARGET} "+" __OFFSET)
+if(__OFFSET GREATER_EQUAL 0)
+    string(SUBSTRING ${__CPU_COMPILE_TARGET} ${__OFFSET} -1 CPU_FEATURES)
+endif()
+
+# Add -mcpu to the compile options to override the -mcpu the CMake toolchain adds
+add_compile_options(-mcpu=${__CPU_COMPILE_TARGET})
+
+# Set floating point unit
+if("${__CPU_COMPILE_TARGET}" MATCHES "\\+fp")
+    set(FLOAT hard)
+elseif("${__CPU_COMPILE_TARGET}" MATCHES "\\+nofp")
+    set(FLOAT soft)
+elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "cortex-m33" OR
+       "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "cortex-m55")
+    set(FLOAT hard)
+else()
+    set(FLOAT soft)
+endif()
+
+add_compile_options(-mfloat-abi=${FLOAT})
+add_link_options(-mfloat-abi=${FLOAT})
+
+# Link target
+add_link_options(-mcpu=${__CPU_COMPILE_TARGET})
+add_link_options(-Xlinker -Map=output.map)
+
+#
+# Compile options
+#
+set(cxx_flags "-fno-unwind-tables;-fno-rtti;-fno-exceptions")
+
+add_compile_options("-Wall;-Wextra;-Wsign-compare;-Wunused;-Wswitch-default;-Wformat;\
+-Wdouble-promotion;-Wredundant-decls;-Wshadow;-Wcast-align;-Wnull-dereference;\
+-Wno-format-extra-args;-Wno-unused-function;-Wno-unused-label;\
+-Wno-missing-field-initializers;-Wno-return-type"
+    "$<$<COMPILE_LANGUAGE:CXX>:${cxx_flags}>"
+)
+
diff --git a/cmake/toolchain/armclang.cmake b/cmake/toolchain/armclang.cmake
new file mode 100644
index 0000000..afe57cd
--- /dev/null
+++ b/cmake/toolchain/armclang.cmake
@@ -0,0 +1,70 @@
+#
+# Copyright (c) 2019-2020 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
+#
+# 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.
+#
+
+if (__TOOLCHAIN_LOADED)
+    return()
+endif()
+set(__TOOLCHAIN_LOADED TRUE)
+
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_C_COMPILER "armclang")
+set(CMAKE_CXX_COMPILER "armclang")
+set(CMAKE_SYSTEM_PROCESSOR "cortex-m33+nodsp" CACHE STRING "Select Cortex-M architure. (cortex-m0, cortex-m3, cortex-m33, cortex-m4, cortex-m55, cortex-m7, etc)")
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_CXX_STANDARD 11)
+
+# The system processor could for example be set to cortex-m33+nodsp+nofp.
+set(__CPU_COMPILE_TARGET ${CMAKE_SYSTEM_PROCESSOR})
+string(REPLACE "+" ";" __CPU_FEATURES ${__CPU_COMPILE_TARGET})
+list(POP_FRONT __CPU_FEATURES CMAKE_SYSTEM_PROCESSOR)
+
+string(FIND ${__CPU_COMPILE_TARGET} "+" __OFFSET)
+if(__OFFSET GREATER_EQUAL 0)
+    string(SUBSTRING ${__CPU_COMPILE_TARGET} ${__OFFSET} -1 CPU_FEATURES)
+endif()
+
+# Add -mcpu to the compile options to override the -mcpu the CMake toolchain adds
+add_compile_options(-mcpu=${__CPU_COMPILE_TARGET})
+
+# Link target
+set(__CPU_LINK_TARGET ${CMAKE_SYSTEM_PROCESSOR})
+if("nodsp" IN_LIST __CPU_FEATURES)
+    string(APPEND __CPU_LINK_TARGET ".no_dsp")
+endif()
+if("nofp" IN_LIST __CPU_FEATURES)
+    string(APPEND __CPU_LINK_TARGET ".no_fp")
+endif()
+
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m55")
+    set(__CPU_LINK_TARGET 8.1-M.Main.dsp)
+endif()
+
+add_link_options(--cpu=${__CPU_LINK_TARGET})
+add_link_options(--lto --info common,debug,sizes,totals,veneers,unused --symbols --diag_suppress=L6439W)
+
+#
+# Compile options
+#
+
+add_compile_options(-Wall -Wextra
+                    -Wsign-compare -Wunused -Wswitch-default -Wformat -Wdouble-promotion -Wredundant-decls -Wshadow -Wcast-align -Wnull-dereference
+                    -Wno-format-extra-args -Wno-unused-function -Wno-unused-label -Wno-missing-field-initializers -Wno-return-type)
+add_compile_options(-fno-unwind-tables -fno-rtti -fno-exceptions)
+add_compile_options(-mthumb)
+add_compile_options("$<$<CONFIG:DEBUG>:-gdwarf-3>")