Opensource ML embedded evaluation kit

Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
diff --git a/scripts/cmake/bare-metal-sources.cmake b/scripts/cmake/bare-metal-sources.cmake
new file mode 100644
index 0000000..3e24d7b
--- /dev/null
+++ b/scripts/cmake/bare-metal-sources.cmake
@@ -0,0 +1,170 @@
+#----------------------------------------------------------------------------
+#  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.
+#----------------------------------------------------------------------------
+set(CMAKE_INSTALL_PREFIX ${CMAKE_SOURCE_DIR}/build_baremetal)
+set(PLAT_HAL ${CMAKE_CURRENT_SOURCE_DIR}/source/application/hal/platforms/bare-metal)
+
+# If target platform not defined raise an error
+# TARGET_PLATFORM either should have been defined by the user or set to default value mps3
+if (NOT DEFINED TARGET_PLATFORM)
+    message(FATAL_ERROR "Invalid target platform, specify TARGET_PLATFORM=mps3")
+endif ()
+message(STATUS "target platform ${TARGET_PLATFORM}")
+
+set(SOURCE_GEN_DIR          ${CMAKE_BINARY_DIR}/generated/bsp)
+if (NOT DEFINED MEM_PROFILES_SRC_DIR)
+    set(MEM_PROFILES_SRC_DIR    ${CMAKE_CURRENT_SOURCE_DIR}/scripts/cmake/subsystem-profiles)
+endif()
+set(MEM_PROFILE_TEMPLATE    ${CMAKE_CURRENT_SOURCE_DIR}/scripts/cmake/templates/peripheral_memmap.h.template)
+set(IRQ_PROFILE_TEMPLATE    ${CMAKE_CURRENT_SOURCE_DIR}/scripts/cmake/templates/peripheral_irqs.h.template)
+set(MEM_REGIONS_TEMPLATE    ${CMAKE_CURRENT_SOURCE_DIR}/scripts/cmake/templates/mem_regions.h.template)
+set(TA_SETTINGS_TEMPLATE    ${CMAKE_CURRENT_SOURCE_DIR}/scripts/cmake/templates/timing_adapter_settings.template)
+set(TENSORFLOW_LITE_MICRO_PLATFORM_LIB_NAME  "libtensorflow-microlite.a")
+set(TENSORFLOW_LITE_MICRO_FLAG               "-DTF_LITE_STATIC_MEMORY")
+set(ETHOS_U55_FLAG          "-DARM_NPU=1")
+
+if (ETHOS_U55_ENABLED)
+    set(OPTIONAL_FLAGS      "${OPTIONAL_FLAGS} ${ETHOS_U55_FLAG}")
+endif ()
+
+# Set specific flags depending on target platform and subsystem
+if (TARGET_PLATFORM STREQUAL mps3)
+    set(MPS3_PLATFORM_FLAG          "-DMPS3_PLATFORM=1")
+
+    # If target platform is mps3 and subsystem not defined raise an error,
+    # TARGET_SUBSYSTEM either should have been defined by the user or set to a default value
+    if (NOT DEFINED TARGET_SUBSYSTEM)
+        message(FATAL_ERROR "Target subsystem for mps3 undefined, "
+                            "specify -DTARGET_SUBSYSTEM=<sse-200 or sse-300>")
+    endif ()
+
+    if (TARGET_SUBSYSTEM STREQUAL sse-200 OR TARGET_SUBSYSTEM STREQUAL sse-300)
+        message(STATUS          "target subsystem is ${TARGET_SUBSYSTEM}")
+        set(BSP_PACKAGE_DIR     "${PLAT_HAL}/bsp/bsp-packs/mps3")
+        set(SCAT_FILE           "${PLAT_HAL}/bsp/mem_layout/mps3-${TARGET_SUBSYSTEM}.sct")
+
+        # Include the mem profile definitions specific to our target subsystem
+        include(${MEM_PROFILES_SRC_DIR}/corstone-${TARGET_SUBSYSTEM}.cmake)
+        set(OPTIONAL_FLAGS      "${OPTIONAL_FLAGS} ${MPS3_PLATFORM_FLAG}")
+    else ()
+        message(FATAL_ERROR "Non compatible target subsystem: ${TARGET_SUBSYSTEM}")
+    endif ()
+elseif (TARGET_PLATFORM STREQUAL simple_platform)
+    set(BSP_PACKAGE_DIR     "${PLAT_HAL}/bsp/bsp-packs/${TARGET_PLATFORM}")
+    set(SCAT_FILE           "${PLAT_HAL}/bsp/mem_layout/${TARGET_PLATFORM}.sct")
+    include(${MEM_PROFILES_SRC_DIR}/${TARGET_PLATFORM}.cmake)
+    set(OPTIONAL_FLAGS      "${OPTIONAL_FLAGS}")
+else ()
+    message(FATAL_ERROR "Non compatible target platform ${TARGET_PLATFORM}")
+endif ()
+
+if (ETHOS_U55_ENABLED)
+    USER_OPTION(TA_CONFIG_FILE "Path to the timing adapter configuration file"
+            "${CMAKE_SCRIPTS_DIR}/ta_config.cmake"
+            FILEPATH)
+
+    # must be included after target subsystem CMake file
+    include(${TA_CONFIG_FILE})
+endif()
+
+# Generate the memory map header file from the mem profile cmake included in one of
+# the previous sections
+message(STATUS "Configuring file from ${MEM_PROFILE_TEMPLATE}"
+                                   ", ${IRQ_PROFILE_TEMPLATE}"
+                                " and ${MEM_REGIONS_TEMPLATE}")
+
+configure_file("${MEM_PROFILE_TEMPLATE}" "${SOURCE_GEN_DIR}/peripheral_memmap.h")
+configure_file("${IRQ_PROFILE_TEMPLATE}" "${SOURCE_GEN_DIR}/peripheral_irqs.h")
+configure_file("${MEM_REGIONS_TEMPLATE}" "${SOURCE_GEN_DIR}/mem_regions.h")
+configure_file("${TA_SETTINGS_TEMPLATE}" "${SOURCE_GEN_DIR}/timing_adapter_settings.h")
+
+message(STATUS "Scatter file: ${SCAT_FILE}")
+message(STATUS "Using BSP package from: ${BSP_PACKAGE_DIR}")
+
+if (DEFINED VERIFY_TEST_OUTPUT)
+    message(STATUS "Test output verification flag is: ${VERIFY_TEST_OUTPUT}")
+    set(OPTIONAL_FLAGS "${OPTIONAL_FLAGS} -DVERIFY_TEST_OUTPUT=${VERIFY_TEST_OUTPUT}")
+endif ()
+
+if (DEFINED LOG_LEVEL)
+    message(STATUS "Setting log level to ${LOG_LEVEL}")
+    set(OPTIONAL_FLAGS "${OPTIONAL_FLAGS} -DLOG_LEVEL=${LOG_LEVEL}")
+endif()
+
+if (DEFINED ACTIVATION_BUF_SRAM_SZ)
+    message(STATUS "Maximum SRAM space for activations buffers for this system: ${ACTIVATION_BUF_SRAM_SZ}")
+    set(OPTIONAL_FLAGS "${OPTIONAL_FLAGS} -DACTIVATION_BUF_SRAM_SZ=${ACTIVATION_BUF_SRAM_SZ}")
+endif()
+
+if (DEFINED ARMCLANG_DEBUG_DWARF_LEVEL)
+    message(STATUS "setting dwarf conformance level to gdwarf-${ARMCLANG_DEBUG_DWARF_LEVEL}")
+    set(OPTIONAL_FLAGS "${OPTIONAL_FLAGS} -gdwarf-${ARMCLANG_DEBUG_DWARF_LEVEL}")
+endif()
+
+set(COMPILER_FLAGS              "${ALL_COMMON_FLAGS} ${TENSORFLOW_LITE_MICRO_FLAG} ${PROFILING_OPT} ${OPTIONAL_FLAGS}")
+# For some reason, cmake doesn't pass the c++ standard flag, adding it manually
+set(CMAKE_CXX_FLAGS             "${COMPILER_FLAGS} -std=c++11" CACHE INTERNAL "")
+set(CMAKE_C_FLAGS               "${COMPILER_FLAGS}" CACHE INTERNAL "")
+set(CMAKE_ASM_FLAGS             "${CPU_LD}")
+set(CMAKE_ASM_COMPILE_OBJECT    ${CMAKE_CXX_FLAGS})
+
+add_link_options(--strict --callgraph --load_addr_map_info --map)
+add_link_options(--symbols --xref --scatter=${SCAT_FILE})
+
+# Warnings to be ignored:
+# L6314W = No section matches pattern
+# L6439W = Multiply defined Global Symbol
+add_link_options(--diag_suppress=L6439W,L6314W)
+add_link_options(--info sizes,totals,unused,veneers --entry Reset_Handler)
+
+if (CMAKE_BUILD_TYPE STREQUAL Release)
+    add_link_options(--no_debug)
+endif ()
+
+set(CMAKE_EXE_LINKER_FLAGS "${CPU_LD}")
+
+set(PLAT_BSP_INCLUDES
+    ${PLAT_HAL}/bsp/cmsis-device/include
+    ${PLAT_HAL}/bsp/include/
+    ${PLAT_HAL}/bsp/bsp-core/include
+    ${BSP_PACKAGE_DIR}/include
+)
+
+# Include directories:
+set(PLAT_INCLUDE_DIRS
+    ${PLAT_BSP_INCLUDES}
+    ${PLAT_HAL}/utils/include
+    ${PLAT_HAL}/images/include
+    ${PLAT_HAL}/data_presentation/lcd/include
+    ${PLAT_HAL}/timer/include
+    ${SOURCE_GEN_DIR}
+    )
+
+# Source files
+file(GLOB_RECURSE SRC_PLAT_HAL
+
+    # Higher level HAL sources - software logic implementations
+    "${PLAT_HAL}/data_*/*.c"
+    "${PLAT_HAL}/images/*.c"
+    "${PLAT_HAL}/timer/*.c"
+    "${PLAT_HAL}/utils/*.c"
+
+    # Low level HAL sources - these enable interaction with
+    # the actual hardware
+    "${PLAT_HAL}/bsp/cmsis-device/*.c"
+    "${PLAT_HAL}/bsp/bsp-core/*.c"
+    "${BSP_PACKAGE_DIR}/*.c"
+    )