Build: Add support for armclang 6.9
Signed-off-by: Joakim Bech <joakim.bech@linaro.org>
diff --git a/cmake/Common/CompilerArmClang69.cmake b/cmake/Common/CompilerArmClang69.cmake
new file mode 100644
index 0000000..99cbda5
--- /dev/null
+++ b/cmake/Common/CompilerArmClang69.cmake
@@ -0,0 +1,73 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+#This file contains settings to specify how ARMCLANG shall be used
+
+#Include some dependencies
+Include(Common/CompilerArmClangCommon)
+Include(Common/Utils)
+
+check_armclang_input_vars("6.9")
+
+if(NOT DEFINED ARM_CPU_ARHITECTURE)
+ set(_NO_ARM_CPU_ARHITECTURE true)
+elseif (${ARM_CPU_ARHITECTURE} STREQUAL "ARM8-M-BASE")
+ string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+ string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
+ #following is to work around an armclang compiler bug that is fixed in 6.10
+ string_append_unique_item(STRING CMAKE_C_FLAGS KEY "-fno-optimize-sibling-calls" VAL "-fno-optimize-sibling-calls")
+ string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+ string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
+ string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base")
+ string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base")
+elseif(${ARM_CPU_ARHITECTURE} STREQUAL "ARM8-M-MAIN")
+ string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+ string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main")
+ string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+ string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main")
+ string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Main")
+ string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Main")
+elseif(${ARM_CPU_ARHITECTURE} STREQUAL "V7-M")
+ string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+ string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m")
+ string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+ string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
+ string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M")
+ string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M")
+else()
+ message(FATAL_ERROR "Unknown or unsupported ARM cpu architecture setting.")
+endif()
+
+#Prefer arhitecture definition over cpu type.
+if(NOT DEFINED ARM_CPU_ARHITECTURE)
+ if(NOT DEFINED ARM_CPU_TYPE)
+ string_append_unique_item(_NO_ARM_CPU_TYPE true)
+ elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M3")
+ string_append_unique_item (CMAKE_C_FLAGS_CPU "--target=arm-arm-none-eabi -mcpu=cortex-m3")
+ string_append_unique_item (CMAKE_CXX_FLAGS_CPU "--target=arm-arm-none-eabi -mcpu=cortex-m3")
+ string_append_unique_item (CMAKE_ASM_FLAGS_CPU "--cpu=Cortex-M3")
+ string_append_unique_item (CMAKE_LINK_FLAGS_CPU "--cpu=Cortex-M3")
+ elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M33")
+ string_append_unique_item (CMAKE_C_FLAGS_CPU "--target=arm-arm-none-eabi -mcpu=cortex-m33")
+ string_append_unique_item (CMAKE_CXX_FLAGS_CPU "--target=arm-arm-none-eabi -mcpu=cortex-m33")
+ string_append_unique_item (CMAKE_ASM_FLAGS_CPU "--cpu=Cortex-M33")
+ string_append_unique_item (CMAKE_LINK_FLAGS_CPU "--cpu=Cortex-M33")
+ elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M23")
+ #-fno-optimize-sibling-calls is here to work around an armclang compiler
+ #bug that is fixed in 6.10
+ string_append_unique_item (CMAKE_C_FLAGS_CPU "--target=arm-arm-none-eabi -mcpu=cortex-m23 -fno-optimize-sibling-calls")
+ string_append_unique_item (CMAKE_CXX_FLAGS_CPU "--target=arm-arm-none-eabi -mcpu=cortex-m23 -fno-optimize-sibling-calls")
+ string_append_unique_item (CMAKE_ASM_FLAGS_CPU "--cpu=Cortex-M23")
+ string_append_unique_item (CMAKE_LINK_FLAGS_CPU "--cpu=Cortex-M23")
+ else()
+ message(FATAL_ERROR "Unknown ARM cpu setting.")
+ endif()
+endif()
+
+if (_NO_ARM_CPU_TYPE AND _NO_ARM_CPU_ARHITECTURE)
+ message(FATAL_ERROR "Can not set CPU specific compiler flags: neither the ARM CPU type nor the architecture is set.")
+endif()