| # Settings for Xtensa toolchain for the hifimini kernels. |
| # REQUIRED: |
| # Environment variables: |
| # - XTENSA_BASE must be set to location of |
| # the Xtensa developer tools installation directory. |
| # Command line arguments: |
| # - XTENSA_TOOLS_VERSION: For example: RI-2019.2-linux |
| # - XTENSA_CORE: The name of the Xtensa core to use |
| # For example: hifimini |
| |
| ifeq ($(TARGET), xtensa_hifimini_staging) |
| TARGET_ARCH := xtensa_hifimini_staging |
| |
| ifndef XTENSA_BASE |
| $(error XTENSA_BASE is undefined) |
| endif |
| |
| ifndef XTENSA_TOOLS_VERSION |
| $(error XTENSA_TOOLS_VERSION is undefined) |
| endif |
| |
| ifndef XTENSA_CORE |
| $(error XTENSA_CORE is undefined) |
| endif |
| |
| PLATFORM_ARGS = \ |
| -DTF_LITE_MCU_DEBUG_LOG \ |
| --xtensa-core=$(XTENSA_CORE) \ |
| -mcoproc \ |
| -DXTENSA -DMAX_RFFT_PWR=9 -DMIN_RFFT_PWR=MAX_RFFT_PWR \ |
| -fdata-sections \ |
| -ffunction-sections \ |
| -fno-exceptions \ |
| -fno-unwind-tables \ |
| -fno-use-cxa-atexit \ |
| -fmessage-length=0 \ |
| -fno-threadsafe-statics |
| |
| export PATH := $(XTENSA_BASE)/tools/$(XTENSA_TOOLS_VERSION)/XtensaTools/bin:$(PATH) |
| TARGET_TOOLCHAIN_PREFIX := xt- |
| CXX_TOOL := clang++ |
| CC_TOOL := clang |
| |
| CXXFLAGS += $(PLATFORM_ARGS) |
| CCFLAGS += $(PLATFORM_ARGS) |
| |
| LDFLAGS += -Wl,-gc-sections |
| |
| TEST_SCRIPT := tensorflow/lite/micro/testing/test_xtensa_hifimini_staging_binary.sh |
| |
| # TODO(b/156962140): This manually maintained list of excluded examples is |
| # quite error prone. |
| EXCLUDED_EXAMPLE_TESTS := \ |
| tensorflow/lite/micro/examples/image_recognition_experimental/Makefile.inc \ |
| tensorflow/lite/micro/examples/magic_wand/Makefile.inc \ |
| tensorflow/lite/micro/examples/micro_speech/Makefile.inc \ |
| tensorflow/lite/micro/examples/network_tester/Makefile.inc \ |
| tensorflow/lite/micro/examples/person_detection/Makefile.inc \ |
| tensorflow/lite/micro/examples/person_detection_experimental/Makefile.inc |
| MICRO_LITE_EXAMPLE_TESTS := $(filter-out $(EXCLUDED_EXAMPLE_TESTS), $(MICRO_LITE_EXAMPLE_TESTS)) |
| |
| endif |