Build: Add support for ArmClang 6.13

Add support for the latest version of ArmClang

Change-Id: I7dce821b393e65df1c9a418c050aeadd0a771343
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/cmake/Common/CompilerArmClang613.cmake b/cmake/Common/CompilerArmClang613.cmake
new file mode 100644
index 0000000..5a8e1a2
--- /dev/null
+++ b/cmake/Common/CompilerArmClang613.cmake
@@ -0,0 +1,98 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2020, 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("6.13")
+
+if(NOT DEFINED ARM_CPU_ARCHITECTURE)
+	set(_NO_ARM_CPU_ARCHITECTURE true)
+elseif (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.BASE")
+	string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+	string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
+	string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+	string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
+	string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base")
+	string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base")
+elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-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(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv7-M")
+	string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+	string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
+	string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+	string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
+	string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M")
+	string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M")
+elseif (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv6-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=armv6-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=armv6-m")
+	string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=6-M")
+	string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=6-M")
+else()
+	message(FATAL_ERROR "Unknown or unsupported ARM cpu architecture setting.")
+endif()
+
+#Prefer architecture definition over cpu type.
+if(NOT DEFINED ARM_CPU_ARCHITECTURE)
+	if(NOT DEFINED ARM_CPU_TYPE)
+		string_append_unique_item(_NO_ARM_CPU_TYPE true)
+	elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M3")
+		string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+		string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3")
+		string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+		string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3")
+		string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M3")
+		string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M3")
+	elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M33")
+		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 "-mcpu=" VAL "-mcpu=cortex-m33")
+		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 "-mcpu=" VAL "-mcpu=cortex-m33")
+		string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M33")
+		string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M33")
+	elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M23")
+		string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+		string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23")
+		string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
+		string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23")
+		string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M23")
+		string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M23")
+	elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M4")
+		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=armv7-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=Cortex-M4")
+		string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M4")
+		set(ARM_CPU_ARCHITECTURE "ARMv7-M")
+	elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M0p")
+		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=armv6-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=armv6-m")
+		string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M0plus")
+		string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M0plus")
+		set(ARM_CPU_ARCHITECTURE "ARMv6-M")
+	else()
+		message(FATAL_ERROR "Unknown ARM cpu setting.")
+	endif()
+endif()
+
+if (_NO_ARM_CPU_TYPE AND _NO_ARM_CPU_ARCHITECTURE)
+	message(FATAL_ERROR "Can not set CPU specific compiler flags: neither the ARM CPU type nor the architecture is set.")
+endif()
diff --git a/docs/user_guides/tfm_sw_requirement.rst b/docs/user_guides/tfm_sw_requirement.rst
index 89dabed..078ab1f 100644
--- a/docs/user_guides/tfm_sw_requirement.rst
+++ b/docs/user_guides/tfm_sw_requirement.rst
@@ -47,6 +47,7 @@
     - Arm Compiler v6.10
     - Arm Compiler v6.11
     - Arm Compiler v6.12
+    - Arm Compiler v6.13
     - GNU Arm compiler v6.3.1
     - GNU Arm compiler v7.3
 
@@ -524,4 +525,4 @@
 
 --------------
 
-*Copyright (c) 2017-2019, Arm Limited. All rights reserved.*
+*Copyright (c) 2017-2020, Arm Limited. All rights reserved.*