MLECO-1935: All common CMake user options consolidated.

For easier look up and maintenance, all common CMake user options
have been consolidated in one CMake file.

NOTE: the individual use case specific options are still within
      the correspoinding use case CMake files.

Change-Id: Id887f7b2c763f4d3eb997d997cf466684d0089b6
diff --git a/scripts/cmake/common_user_options.cmake b/scripts/cmake/common_user_options.cmake
new file mode 100644
index 0000000..13c88d2
--- /dev/null
+++ b/scripts/cmake/common_user_options.cmake
@@ -0,0 +1,164 @@
+#----------------------------------------------------------------------------
+#  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.
+#----------------------------------------------------------------------------
+
+#----------------------------------------------------------------------------
+# This file should contain all the common user options for the application
+# For use case specific options, see individual usecase.cmake files under
+# each example use case.
+#----------------------------------------------------------------------------
+
+if (NOT DEFINED USER_OPTIONS_INCLUDED)
+    set(USER_OPTIONS_INCLUDED ON)
+else()
+    return()
+endif()
+
+message(STATUS "Assessing common user options...")
+
+set(CMAKE_TOOLCHAIN_DIR ${CMAKE_CURRENT_LIST_DIR}/toolchains)
+set(DEPENDENCY_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../../dependencies)
+include(${CMAKE_CURRENT_LIST_DIR}/util_functions.cmake)
+
+USER_OPTION(LOG_LEVEL "Log level for the application"
+    LOG_LEVEL_INFO
+    STRING)
+
+USER_OPTION(TENSORFLOW_SRC_PATH "Path to the root of the tensor flow directory"
+    "${DEPENDENCY_ROOT_DIR}/tensorflow"
+    PATH)
+
+USER_OPTION(TARGET_PLATFORM "Target platform to execute evaluation application: mps3, simple_platform, native"
+    mps3
+    STRING)
+
+USER_OPTION(TARGET_SUBSYSTEM "Specify platform target subsystem: sse-300 or none"
+    sse-300
+    STRING)
+
+if (TARGET_PLATFORM STREQUAL native)
+    set(NPU_AVAILABLE OFF)
+else()
+    set(NPU_AVAILABLE ON)
+endif()
+
+USER_OPTION(ETHOS_U_NPU_ENABLED "If Arm Ethos-U NPU is enabled in the target system."
+    ${NPU_AVAILABLE}
+    BOOL)
+
+USER_OPTION(USE_CASE_BUILD "Optional. Defines the use-case to build from the available sources. By default, all use-cases are built."
+    all
+    STRING)
+
+USER_OPTION(CPU_PROFILE_ENABLED "Output CPU performance profiling information. Should be used only for MPS3 board."
+    OFF
+    BOOL)
+
+USER_OPTION(TENSORFLOW_LITE_MICRO_BUILD_TYPE "TensorFlow Lite Mirco build type (release/debug etc.)"
+    $<IF:$<CONFIG:RELEASE>,release_with_logs,debug>
+    STRING)
+
+USER_OPTION(TENSORFLOW_LITE_MICRO_CLEAN_DOWNLOADS "Select if TPIP downloads should be cleaned before each build."
+    OFF
+    BOOL)
+
+USER_OPTION(TENSORFLOW_LITE_MICRO_CLEAN_BUILD "Select if clean target should be added to a list of targets"
+    ON
+    BOOL)
+
+if (NOT TARGET_PLATFORM STREQUAL native)
+
+    USER_OPTION(CMSIS_SRC_PATH
+        "Path to CMSIS-5 sources"
+        "${DEPENDENCY_ROOT_DIR}/cmsis"
+        PATH)
+
+    if (CMAKE_BUILD_TYPE STREQUAL Debug)
+        # For use with Arm compiler:
+        USER_OPTION(ARMCLANG_DEBUG_DWARF_LEVEL
+            "Dwarf conformance level for armclang toolchain"
+            "4" # Default = 4 (Arm-DS etc). For model debugger specify "3"
+            STRING)
+    endif()
+
+    # If we need NPU libraries:
+    if (ETHOS_U_NPU_ENABLED)
+        USER_OPTION(ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH
+            "Path to Ethos-U NPU timing adapter sources"
+            "${DEPENDENCY_ROOT_DIR}/core-software/drivers/timing_adapter"
+            PATH
+            )
+
+        USER_OPTION(ETHOS_U_NPU_DRIVER_SRC_PATH
+            "Path to Ethos-U NPU core driver sources"
+            "${DEPENDENCY_ROOT_DIR}/core-driver"
+            PATH
+            )
+
+        USER_OPTION(ETHOS_U_NPU_ID "Arm Ethos-U NPU IP (U55 or U65)"
+            "U55"
+            STRING)
+
+        if ((ETHOS_U_NPU_ID STREQUAL U55) OR (ETHOS_U_NPU_ID STREQUAL U65))
+            if (ETHOS_U_NPU_ID STREQUAL U55)
+                set(DEFAULT_NPU_MEM_MODE    "Shared_Sram")
+                set(DEFAULT_NPU_CONFIG_ID     "H128")
+            elseif(ETHOS_U_NPU_ID STREQUAL U65)
+                set(DEFAULT_NPU_MEM_MODE    "Dedicated_Sram")
+                set(DEFAULT_NPU_CONFIG_ID     "Y256")
+            endif()
+        else ()
+            message(FATAL_ERROR "Non compatible Ethos-U NPU processor ${ETHOS_U_NPU_ID}")
+        endif ()
+
+        USER_OPTION(ETHOS_U_NPU_MEMORY_MODE "Specifies the memory mode used in the Vela command."
+            "${DEFAULT_NPU_MEM_MODE}"
+            STRING)
+
+        USER_OPTION(ETHOS_U_NPU_CONFIG_ID "Specifies the configuration ID for the NPU."
+            "${DEFAULT_NPU_CONFIG_ID}"
+            STRING)
+
+        if (ETHOS_U_NPU_ID STREQUAL U55)
+            set(DEFAULT_TA_CONFIG_FILE_PATH "${CMAKE_CURRENT_LIST_DIR}/timing_adapter/ta_config_u55_high_end.cmake")
+        else ()
+            set(DEFAULT_TA_CONFIG_FILE_PATH "${CMAKE_CURRENT_LIST_DIR}/timing_adapter/ta_config_u65_high_end.cmake")
+        endif ()
+
+        USER_OPTION(TA_CONFIG_FILE "Path to the timing adapter configuration file"
+                ${DEFAULT_TA_CONFIG_FILE_PATH}
+                FILEPATH)
+    endif()
+endif()
+
+if (TARGET_PLATFORM STREQUAL mps3)
+    message(STATUS "Platform: MPS3 FPGA Prototyping Board or FVP")
+    set(DEFAULT_TOOLCHAIN_FILE ${CMAKE_TOOLCHAIN_DIR}/bare-metal-gcc.cmake)
+elseif (TARGET_PLATFORM STREQUAL simple_platform)
+    message(STATUS "Platform: Simple platform with minimal peripherals")
+    set(DEFAULT_TOOLCHAIN_FILE ${CMAKE_TOOLCHAIN_DIR}/bare-metal-gcc.cmake)
+elseif (TARGET_PLATFORM STREQUAL native)
+    message(STATUS "Platform: Native (Linux based x86_64/aarch64 system)")
+    set(DEFAULT_TOOLCHAIN_FILE ${CMAKE_TOOLCHAIN_DIR}/native-gcc.cmake)
+else ()
+    message(FATAL_ERROR "Invalid platform specified: ${TARGET_PLATFORM}")
+endif ()
+
+if (NOT DEFINED CMAKE_TOOLCHAIN_FILE)
+    set(CMAKE_TOOLCHAIN_FILE ${DEFAULT_TOOLCHAIN_FILE}
+        CACHE FILEPATH "Toolchain file")
+endif()
+message(STATUS "Using CMAKE_TOOLCHAIN_FILE: ${CMAKE_TOOLCHAIN_FILE}")